Marine Weather and Tide Forecast for Atascadero, CA
May 4, 2024 8:26 AM PDT (15:26 UTC) Change Location
 | Sunrise 6:05 AM Sunset 7:53 PM Moonrise 3:05 AM Moonset 3:15 PM |
PZZ645 Point Piedras Blancas To Point Sal Westward Out To 10 Nm- 731 Am Pdt Sat May 4 2024
.small craft advisory in effect from 3 pm pdt this afternoon through late tonight - .
Today - NW winds 10 to 15 kt, becoming 15 to 20 kt with gusts to 25 kt in the afternoon. Combined seas 3 to 5 ft dominant period 8 seconds. A slight chance of rain in the morning, then rain.
Tonight - NW winds 15 to 20 kt with gusts to 25 kt. Combined seas 4 to 6 ft dominant period 7 seconds. A chance of rain in the evening.
Sun - NW winds 10 to 15 kt in the morning, becoming 15 to 25 kt with gusts to 30 kt in the afternoon. Combined seas 4 to 6 ft dominant period 8 seconds, building to 6 to 8 ft dominant period 9 seconds in the afternoon.
Sun night - NW winds 15 to 25 kt with gusts to 30 kt in the evening, becoming 10 to 20 kt. Combined seas 7 to 9 ft dominant period 9 seconds.
Mon - N winds 10 to 15 kt, becoming nw 15 to 25 kt with gusts to 30 kt in the afternoon. Combined seas 5 to 7 ft dominant period 9 seconds.
Mon night - NW winds 15 to 25 kt with gusts to 30 kt in the evening, becoming 10 to 20 kt. Combined seas 6 to 8 ft dominant period 9 seconds.
Tue - NW winds 10 to 20 kt in the morning, becoming 15 to 25 kt. Combined seas 7 to 9 ft.
Wed - NW winds 10 to 20 kt in the morning, becoming 15 to 25 kt. Combined seas 7 to 9 ft.
PZZ600 731 Am Pdt Sat May 4 2024
synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - .at 12z, or 5 am pdt, a 996 mb low was centered in oregon, with a front extending southwestward. This front will move across the waters this afternoon and early tonight. Gusty winds and steep seas will affect the waters at times through Sunday, with gale force winds possible in the southern waters Sunday afternoon into Sunday night.
synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - .at 12z, or 5 am pdt, a 996 mb low was centered in oregon, with a front extending southwestward. This front will move across the waters this afternoon and early tonight. Gusty winds and steep seas will affect the waters at times through Sunday, with gale force winds possible in the southern waters Sunday afternoon into Sunday night.
Area Discussion for - Los Angeles/Oxnard, CA
(hide/show) HelpNOTE: mouseover dotted underlined text for definition
FXUS66 KLOX 041249 AFDLOX
Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 549 AM PDT Sat May 4 2024
SYNOPSIS
04/528 AM.
An unseasonably cold storm system will move over the region through Sunday. A cold front, dropping south today and tonight, will bring rain and high-elevation snow to much of the area, along with gusty winds. The storm will exit the region on Sunday night, then a warming and drying trend will develop through at least Wednesday.
.SHORT TERM (TDY-MON)...04/528 AM.
The latest water vapor imagery shows a cold upper-level trough, originating from the Gulf of Alaska, digging south along the Oregon coast early this morning. A cold frontal boundary can been over northern California and stretching out to the southwest.
After struggling to develop earlier in the night, the latest fog product imagery indicates marine layer low clouds and fog extending well into the coastal slopes south of Point Conception.
North of Point Conception, low clouds and fog are well entrenched along the Central Coast and into the Santa Ynez Valley. Some clouds are now starting to roll into the southern Salinas Valley this morning. With the deepening marine layer depth likely approaching 4000 feet deep this morning, patchy morning drizzle or light rain cannot be ruled out.
A mostly cloudy day looks on tap with cooler temperatures across much of the area. A thick high-level cloud shield is moving south down the state currently, and this cloud deck should reinforce the general premise of a mostly cloudy day. The cold frontal boundary should push south down the state through the day. The front should approach northwestern San Luis Obispo County late this afternoon, then quickly move over the region overnight tonight. The boundary should exit Los Angeles County by daybreak Sunday. PoPs have been nudged closer to high-resolution multi- model ensemble solutions, which advertise the Central Coast getting about 3-4 hours of steady rain this afternoon. Confidence lowers as the frontal boundary passes south of Point Conception tonight. The forecast buys more heavily into high-resolution multi-model ensemble solutions, but there is a moderate chance that downsloping could occur and create a rain shadow effect across Santa Barbara County, Ventura County, and western Los Angeles County. One and six hour QPF probabilities in the multi- model ensemble solutions introduce lesser chances as the frontal boundary moves south of Point Conception, but it still produces a high-to-likely chance of rainfall occurring.
QPF amounts in the forecast still follow WPC values at this time.
The latest forecast brings a bit more precipitation into the mix, especially in the San Gabriel Mountains. Rainfall amounts should range from 0.25 inch or less, except for 0.25 to 0.50 inch along the Coast Ranges of Central California and in the San Gabriel Mountains. A few sites such as Rocky Butte in northwest San Luis Obispo County will likely see amounts up to 0.67 inch. Looking at the less coarse EPS ensemble members and the spread across the high-resolution multi-model ensemble solutions, there is slightly less than a 50 percent chance that QPF values could be up to a third wetter than forecast. Or put another way, about half of these ensemble solutions suggest the values in the wettest areas could range between between a third and two-thirds of an inch. If this occurs, local amounts at the wettest sites like Rocky Butte could approach 0.85 inch. Much will depend how much upslope flow develops and for how long.
Snowfall amounts will be light. While snow levels will lower down to 4000 to 4500 feet late tonight or early Sunday morning, most of the moisture will likely vacate the area by that time. At most, a dusting to an inch of snow are likely with local amounts up to two inches.
Gusty winds will start to develop across the San Gabriel Mountains, and the Antelope Valley and the adjacent foothills this afternoon and this evening as the surface pattern tightens ahead of the cold front. A wind advisory remains in effect for this afternoon and tonight for these areas. After the front passes over the region, a tight surface pressure gradient will remain into Sunday and Sunday night. There is a good chance that the advisory for the San Gabriel Mountains, and the Antelope Valley and the adjacent foothills may need to be extended into Sunday and Sunday night. Wind advisories were added for the entire coastal areas and into the Santa Ynez Valley for gusty west winds on Sunday afternoon and evening, and for the Transverse Ranges and into southern Santa Barbara County for gusty northwest winds developing late tonight through early Monday morning.
A cold air mass will spread into the area today and Sunday. There is a moderate chance that low maximum temperatures records could fall on Sunday out in the desert as the air mass will be cold for May, more inline with February or March. Temperatures in the 60s will be common across most areas the next several days, coldest on Sunday for areas south of Point Conception.
.LONG TERM (TUE-FRI)...04/529 AM.
The forecast ensemble members continue to suggest a warming and drying trend developing through Wednesday as high pressure aloft reestablishes over the eastern Pacific Ocean and a low pressure system dives through the Great Basin. There is a chance that a cool down could arrive for late week as onshore flow increases.
EPS ensembles continues to keep cloud cover means free of the marine influence, but confidence remains moderate at best due to the time of the year.
AVIATION
04/1249Z.
At 12Z at KLAX, the marine layer was 3300 ft deep. The top of the inversion was at 4200 ft with a temperature of 13C.
Deep marine layer with low clouds in all coastal/valley areas and up to the coastal slopes. Conds were low MVFR in L.A. County.
except IFR-VLIFR in the foothills/mtns, and were mostly IFR-VLIFR from VTU County northward. Skies will likely remain mostly cloudy today, though cigs will gradually rise. Most areas should have MVFR to possibly low VFR conds this afternoon, except IFR or worse in the foothills/mtns. A frontal system will likely bring light rain to SLO/SBA Counties this afternoon/evening, with a chance of showers in L.A./VTU Counties this evening thru late tonight. Widespread MVFR conds expected tonight with IFR-VLIFR cigs in the foothills/mtns.
KLAX...Moderate confidence in the 12Z TAF. There is a 30% chance that MVFR conditions will linger thru the day, and not improve to VFR from 20Z thru 04Z as predicted. There is also a chance that MVFR conds tonight will linger thru 16Z Sun. No significant easterly wind component is expected thru the pd.
KBUR...Moderate confidence in the 12Z TAF. There is a 30% chance that MVFR conditions will linger thru the day, and not improve to VFR from 20Z thru 03Z as predicted.
MARINE
04/510 AM.
In the Outer Waters, winds and seas may drop below Small Craft Advisory (SCA) levels several hours late this morning/afternoon, but are expected to increase again late today. Widespread SCA level winds/seas are expected tonight thru Sun afternoon, except will likely drop below SCA levels in the northern zone (PZZ670)
late tonight. Winds will increase Sun, with gales possible late Sun into Sun night in the southern two zones (PZZ673/676) and SCA conds in the northern zone. SCA conds are expected Mon thru Wed, with a 40% chance of gales Mon afternoon/eve.
In the Inner Waters N of Pt. Sal, SCA level winds/seas are likely in the afternoon/eve hours today thru Wed. There is a chance that seas will remain at or above SCA levels even when winds weaken, especially Sun night/Mon night.
In the Inner Waters south of Point Conception, SCA level W-NW winds are expected to spread from west to east across the waters this evening and early tonight, then continue thru Sun afternoon.
There is a 50% chance of gales Sun afternoon into late Sun night, especially in western portions. SCA level seas may persist into Mon. SCA winds are likely during the afternoon/eve. hours Mon thru Wed in the SBA Channel, with a 30% chance of SCA conds extending into the southern inner waters from Anacapa Island to Malibu.
LOX WATCHES/WARNINGS/ADVISORIES
CA...Wind Advisory in effect from 10 AM to 9 PM PDT Sunday for zones 87-340-341-346>348-354-355-362-366. (See LAXNPWLOX).
Wind Advisory in effect from 11 PM this evening to 3 AM PDT Monday for zones 349>353-376>378. (See LAXNPWLOX).
Wind Advisory remains in effect from noon today to 5 AM PDT Sunday for zones 379>383. (See LAXNPWLOX).
PZ...Small Craft Advisory in effect from 3 PM this afternoon to 3 AM PDT Sunday for zone 645. (See LAXMWWLOX).
Small Craft Advisory in effect from 9 PM this evening to 3 PM PDT Sunday for zones 650-655. (See LAXMWWLOX).
Gale Watch in effect from Sunday afternoon through late Sunday night for zones 650-655-673-676. (See LAXMWWLOX).
Small Craft Advisory in effect until 3 AM PDT Sunday for zone 670. (See LAXMWWLOX).
Small Craft Advisory in effect until 3 PM PDT Sunday for zones 673-676. (See LAXMWWLOX).
Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 549 AM PDT Sat May 4 2024
SYNOPSIS
04/528 AM.
An unseasonably cold storm system will move over the region through Sunday. A cold front, dropping south today and tonight, will bring rain and high-elevation snow to much of the area, along with gusty winds. The storm will exit the region on Sunday night, then a warming and drying trend will develop through at least Wednesday.
.SHORT TERM (TDY-MON)...04/528 AM.
The latest water vapor imagery shows a cold upper-level trough, originating from the Gulf of Alaska, digging south along the Oregon coast early this morning. A cold frontal boundary can been over northern California and stretching out to the southwest.
After struggling to develop earlier in the night, the latest fog product imagery indicates marine layer low clouds and fog extending well into the coastal slopes south of Point Conception.
North of Point Conception, low clouds and fog are well entrenched along the Central Coast and into the Santa Ynez Valley. Some clouds are now starting to roll into the southern Salinas Valley this morning. With the deepening marine layer depth likely approaching 4000 feet deep this morning, patchy morning drizzle or light rain cannot be ruled out.
A mostly cloudy day looks on tap with cooler temperatures across much of the area. A thick high-level cloud shield is moving south down the state currently, and this cloud deck should reinforce the general premise of a mostly cloudy day. The cold frontal boundary should push south down the state through the day. The front should approach northwestern San Luis Obispo County late this afternoon, then quickly move over the region overnight tonight. The boundary should exit Los Angeles County by daybreak Sunday. PoPs have been nudged closer to high-resolution multi- model ensemble solutions, which advertise the Central Coast getting about 3-4 hours of steady rain this afternoon. Confidence lowers as the frontal boundary passes south of Point Conception tonight. The forecast buys more heavily into high-resolution multi-model ensemble solutions, but there is a moderate chance that downsloping could occur and create a rain shadow effect across Santa Barbara County, Ventura County, and western Los Angeles County. One and six hour QPF probabilities in the multi- model ensemble solutions introduce lesser chances as the frontal boundary moves south of Point Conception, but it still produces a high-to-likely chance of rainfall occurring.
QPF amounts in the forecast still follow WPC values at this time.
The latest forecast brings a bit more precipitation into the mix, especially in the San Gabriel Mountains. Rainfall amounts should range from 0.25 inch or less, except for 0.25 to 0.50 inch along the Coast Ranges of Central California and in the San Gabriel Mountains. A few sites such as Rocky Butte in northwest San Luis Obispo County will likely see amounts up to 0.67 inch. Looking at the less coarse EPS ensemble members and the spread across the high-resolution multi-model ensemble solutions, there is slightly less than a 50 percent chance that QPF values could be up to a third wetter than forecast. Or put another way, about half of these ensemble solutions suggest the values in the wettest areas could range between between a third and two-thirds of an inch. If this occurs, local amounts at the wettest sites like Rocky Butte could approach 0.85 inch. Much will depend how much upslope flow develops and for how long.
Snowfall amounts will be light. While snow levels will lower down to 4000 to 4500 feet late tonight or early Sunday morning, most of the moisture will likely vacate the area by that time. At most, a dusting to an inch of snow are likely with local amounts up to two inches.
Gusty winds will start to develop across the San Gabriel Mountains, and the Antelope Valley and the adjacent foothills this afternoon and this evening as the surface pattern tightens ahead of the cold front. A wind advisory remains in effect for this afternoon and tonight for these areas. After the front passes over the region, a tight surface pressure gradient will remain into Sunday and Sunday night. There is a good chance that the advisory for the San Gabriel Mountains, and the Antelope Valley and the adjacent foothills may need to be extended into Sunday and Sunday night. Wind advisories were added for the entire coastal areas and into the Santa Ynez Valley for gusty west winds on Sunday afternoon and evening, and for the Transverse Ranges and into southern Santa Barbara County for gusty northwest winds developing late tonight through early Monday morning.
A cold air mass will spread into the area today and Sunday. There is a moderate chance that low maximum temperatures records could fall on Sunday out in the desert as the air mass will be cold for May, more inline with February or March. Temperatures in the 60s will be common across most areas the next several days, coldest on Sunday for areas south of Point Conception.
.LONG TERM (TUE-FRI)...04/529 AM.
The forecast ensemble members continue to suggest a warming and drying trend developing through Wednesday as high pressure aloft reestablishes over the eastern Pacific Ocean and a low pressure system dives through the Great Basin. There is a chance that a cool down could arrive for late week as onshore flow increases.
EPS ensembles continues to keep cloud cover means free of the marine influence, but confidence remains moderate at best due to the time of the year.
AVIATION
04/1249Z.
At 12Z at KLAX, the marine layer was 3300 ft deep. The top of the inversion was at 4200 ft with a temperature of 13C.
Deep marine layer with low clouds in all coastal/valley areas and up to the coastal slopes. Conds were low MVFR in L.A. County.
except IFR-VLIFR in the foothills/mtns, and were mostly IFR-VLIFR from VTU County northward. Skies will likely remain mostly cloudy today, though cigs will gradually rise. Most areas should have MVFR to possibly low VFR conds this afternoon, except IFR or worse in the foothills/mtns. A frontal system will likely bring light rain to SLO/SBA Counties this afternoon/evening, with a chance of showers in L.A./VTU Counties this evening thru late tonight. Widespread MVFR conds expected tonight with IFR-VLIFR cigs in the foothills/mtns.
KLAX...Moderate confidence in the 12Z TAF. There is a 30% chance that MVFR conditions will linger thru the day, and not improve to VFR from 20Z thru 04Z as predicted. There is also a chance that MVFR conds tonight will linger thru 16Z Sun. No significant easterly wind component is expected thru the pd.
KBUR...Moderate confidence in the 12Z TAF. There is a 30% chance that MVFR conditions will linger thru the day, and not improve to VFR from 20Z thru 03Z as predicted.
MARINE
04/510 AM.
In the Outer Waters, winds and seas may drop below Small Craft Advisory (SCA) levels several hours late this morning/afternoon, but are expected to increase again late today. Widespread SCA level winds/seas are expected tonight thru Sun afternoon, except will likely drop below SCA levels in the northern zone (PZZ670)
late tonight. Winds will increase Sun, with gales possible late Sun into Sun night in the southern two zones (PZZ673/676) and SCA conds in the northern zone. SCA conds are expected Mon thru Wed, with a 40% chance of gales Mon afternoon/eve.
In the Inner Waters N of Pt. Sal, SCA level winds/seas are likely in the afternoon/eve hours today thru Wed. There is a chance that seas will remain at or above SCA levels even when winds weaken, especially Sun night/Mon night.
In the Inner Waters south of Point Conception, SCA level W-NW winds are expected to spread from west to east across the waters this evening and early tonight, then continue thru Sun afternoon.
There is a 50% chance of gales Sun afternoon into late Sun night, especially in western portions. SCA level seas may persist into Mon. SCA winds are likely during the afternoon/eve. hours Mon thru Wed in the SBA Channel, with a 30% chance of SCA conds extending into the southern inner waters from Anacapa Island to Malibu.
LOX WATCHES/WARNINGS/ADVISORIES
CA...Wind Advisory in effect from 10 AM to 9 PM PDT Sunday for zones 87-340-341-346>348-354-355-362-366. (See LAXNPWLOX).
Wind Advisory in effect from 11 PM this evening to 3 AM PDT Monday for zones 349>353-376>378. (See LAXNPWLOX).
Wind Advisory remains in effect from noon today to 5 AM PDT Sunday for zones 379>383. (See LAXNPWLOX).
PZ...Small Craft Advisory in effect from 3 PM this afternoon to 3 AM PDT Sunday for zone 645. (See LAXMWWLOX).
Small Craft Advisory in effect from 9 PM this evening to 3 PM PDT Sunday for zones 650-655. (See LAXMWWLOX).
Gale Watch in effect from Sunday afternoon through late Sunday night for zones 650-655-673-676. (See LAXMWWLOX).
Small Craft Advisory in effect until 3 AM PDT Sunday for zone 670. (See LAXMWWLOX).
Small Craft Advisory in effect until 3 PM PDT Sunday for zones 673-676. (See LAXMWWLOX).
| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | inHg | DewPt |
| MBXC1 | 11 mi | 36 min | 51°F | |||||
| 46215 - Diablo Canyon, CA (076) | 20 mi | 30 min | 51°F | 3 ft | ||||
| PSLC1 - 9412110 - Port San Luis, CA | 20 mi | 56 min | 0G | 50°F | 53°F | 29.93 | ||
| 46011 - SANTA MARIA - 21 NM Northwest of Point Arguello, CA | 40 mi | 36 min | NE 3.9G | 51°F | 5 ft |
toggle option: (graph/table)
Airport Reports
EDIT (hide/show) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Temp | DewPt | RH | inHg |
| KPRB PASO ROBLES MUNI,CA | 15 sm | 13 min | SSW 05 | 10 sm | Overcast | 48°F | 48°F | 100% | 29.89 | |
| KSBP SAN LUIS COUNTY RGNL,CA | 15 sm | 30 min | calm | 10 sm | Overcast | 54°F | 48°F | 82% | 29.93 |
Tide / Current for Morro Beach, Estero Bay, California (2)
EDIT Weekend mode (on/off) (hide/show) Help
Morro Beach
Click for Map
Sat -- 02:07 AM PDT 0.90 feet Low Tide
Sat -- 04:06 AM PDT Moonrise
Sat -- 06:08 AM PDT Sunrise
Sat -- 07:58 AM PDT 4.32 feet High Tide
Sat -- 02:09 PM PDT 0.03 feet Low Tide
Sat -- 04:15 PM PDT Moonset
Sat -- 07:52 PM PDT Sunset
Sat -- 08:34 PM PDT 5.15 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 02:07 AM PDT 0.90 feet Low Tide
Sat -- 04:06 AM PDT Moonrise
Sat -- 06:08 AM PDT Sunrise
Sat -- 07:58 AM PDT 4.32 feet High Tide
Sat -- 02:09 PM PDT 0.03 feet Low Tide
Sat -- 04:15 PM PDT Moonset
Sat -- 07:52 PM PDT Sunset
Sat -- 08:34 PM PDT 5.15 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Morro Beach, Estero Bay, California (2), Tide feet
| 12 am |
| 1.9 |
| 1 am |
| 1.2 |
| 2 am |
| 0.9 |
| 3 am |
| 1.1 |
| 4 am |
| 1.7 |
| 5 am |
| 2.5 |
| 6 am |
| 3.4 |
| 7 am |
| 4.1 |
| 8 am |
| 4.3 |
| 9 am |
| 4 |
| 10 am |
| 3.3 |
| 11 am |
| 2.3 |
| 12 pm |
| 1.2 |
| 1 pm |
| 0.4 |
| 2 pm |
| 0 |
| 3 pm |
| 0.2 |
| 4 pm |
| 1 |
| 5 pm |
| 2.1 |
| 6 pm |
| 3.3 |
| 7 pm |
| 4.4 |
| 8 pm |
| 5 |
| 9 pm |
| 5.1 |
| 10 pm |
| 4.5 |
| 11 pm |
| 3.5 |
Morro Beach
Click for Map
Sat -- 02:08 AM PDT 0.90 feet Low Tide
Sat -- 04:06 AM PDT Moonrise
Sat -- 06:08 AM PDT Sunrise
Sat -- 07:58 AM PDT 4.32 feet High Tide
Sat -- 02:09 PM PDT 0.04 feet Low Tide
Sat -- 04:15 PM PDT Moonset
Sat -- 07:52 PM PDT Sunset
Sat -- 08:35 PM PDT 5.15 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 02:08 AM PDT 0.90 feet Low Tide
Sat -- 04:06 AM PDT Moonrise
Sat -- 06:08 AM PDT Sunrise
Sat -- 07:58 AM PDT 4.32 feet High Tide
Sat -- 02:09 PM PDT 0.04 feet Low Tide
Sat -- 04:15 PM PDT Moonset
Sat -- 07:52 PM PDT Sunset
Sat -- 08:35 PM PDT 5.15 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Morro Beach, Estero Bay, California, Tide feet
| 12 am |
| 1.9 |
| 1 am |
| 1.2 |
| 2 am |
| 0.9 |
| 3 am |
| 1.1 |
| 4 am |
| 1.7 |
| 5 am |
| 2.5 |
| 6 am |
| 3.4 |
| 7 am |
| 4.1 |
| 8 am |
| 4.3 |
| 9 am |
| 4 |
| 10 am |
| 3.3 |
| 11 am |
| 2.3 |
| 12 pm |
| 1.2 |
| 1 pm |
| 0.4 |
| 2 pm |
| 0 |
| 3 pm |
| 0.2 |
| 4 pm |
| 1 |
| 5 pm |
| 2.1 |
| 6 pm |
| 3.3 |
| 7 pm |
| 4.4 |
| 8 pm |
| 5 |
| 9 pm |
| 5.1 |
| 10 pm |
| 4.5 |
| 11 pm |
| 3.5 |
Vandenberg AFB, CA,
NOTICE: Some pages have affiliate links to Amazon. As an Amazon Associate, I earn from qualifying purchases. Please read website Cookie, Privacy, and Disclamers by clicking HERE. To contact me click HERE. For my YouTube page click HERE