Pismo Beach, CA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Pismo Beach, CA

June 22, 2024 5:40 AM PDT (12:40 UTC) Change Location
Sunrise 5:47 AM   Sunset 8:21 PM
Moonrise 8:37 PM   Moonset 5:05 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

Marine Forecasts
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PZZ645 Point Piedras Blancas To Point Sal Westward Out To 10 Nm- 240 Am Pdt Sat Jun 22 2024

Today - Light winds. Seas 3 to 5 ft. Wave detail: nw 4 ft at 8 seconds and S 2 ft at 13 seconds. Patchy dense fog. Vsby 1 nm or less.

Tonight - Light winds. Seas 3 to 4 ft. Wave detail: nw 4 ft at 9 seconds and S 2 ft at 14 seconds. Patchy dense fog. Vsby 1 nm or less.

Sun - Light winds, becoming nw 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave detail: nw 4 ft at 8 seconds and S 2 ft at 17 seconds. Patchy dense fog. Vsby 1 nm or less.

Sun night - NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: nw 4 ft at 8 seconds and S 2 ft at 17 seconds. Patchy dense fog. Vsby 1 nm or less.

Mon - Light winds, becoming nw 5 to 10 kt in the afternoon. Seas 4 to 6 ft. Wave detail: W 5 ft at 11 seconds and S 2 ft at 14 seconds. Patchy dense fog in the morning with vsby 1 nm or less.

Mon night - NW wind 10 to 15 kt, becoming 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave detail: nw 5 ft at 11 seconds and S 2 ft at 15 seconds. Patchy fog after midnight.

Tue - NW wind 5 to 10 kt, becoming 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave detail: nw 5 ft at 10 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.

Tue night - NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: nw 5 ft at 10 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.

Wed - NW wind 5 to 10 kt, becoming 10 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave detail: nw 5 ft at 9 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.

Wed night - NW wind 10 to 20 kt. Seas 6 to 8 ft. Wave detail: nw 7 ft at 8 seconds and S 3 ft at 13 seconds. Patchy fog after midnight.

PZZ600 240 Am Pdt Sat Jun 22 2024

Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - At 09z, or 2 am pdt, a 1030 mb high was located 1800 nm nw of point conception and a 997 mb thermal low was near yuma.


7 Day Forecast for Marine Location Near Pismo Beach, CA
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Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 221137 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 437 AM PDT Sat Jun 22 2024

SYNOPSIS
22/207 AM.

A heatwave is ongoing, with dangerously hot conditions expected for locations away from the coast, especially the deserts and mountains. While temperatures will peak this weekend, heat will continue though much of next week. Overnight lows will be warm and offer little relief for inland areas. There is a slight chance of showers or thunderstorms late Saturday through Sunday.

.SHORT TERM (TDY-MON)...22/401 AM.

The very broad region of high pressure, that has been impacting the eastern United States, will swoop into the region from the east today. Upper level heights will rise rapidly in response, with 500 mb heights reaching 592 dam late tonight. Sunday and Monday heights will be similar, as the center of the high pressure system migrates to the west and settles over Arizona and New Mexico.

The rapid rise in heights and the dramatically warming airmass will allow highs today to soar to 8 to 15 degrees above normal for all areas, except for the beaches where persistent marine layer clouds will keep conditions cooler. Daytime highs will peak for most areas this weekend, as relatively little change is expected in temperatures Sunday. Highs will trend downward slightly for Monday with an increase in onshore flow.

Only the beaches will see highs in the 70s this weekend, and the temperature difference between the immediate coast and inland areas will be drastic. A compounding factor for heat impacts will be overnight lows and rising humidities. Overnight lows will be warm and offer little relief from the heat, especially for the deserts and mountains, where lows Saturday and Sunday night will be near 80 degrees. Also, moisture from the remnants of Tropical Cyclone Alberto will arrive tonight, driving humidites up, which will increase apparent temperatures. Heat precautions and awareness are advised for this weekend, and into next week.

Excessive Heat Warnings have been issued this weekend for the Antelope Valley and Foothills, the San Gabriel Mountains, the Ventura County Mountains, and the inland mountains of Santa Barbara County. The deserts and mountains will see dangerously hot conditions, with highs across the Antelope Valley reaching 102 to 108 degrees. For the Antelope Valley and eastern Antelope Valley Foothills, hazardous daytime heat and warm overnight lows are expected to continue into next week, and the Excessive Heat Warning extends through next Thursday.

A Heat Advisory has been issued this weekend, for the Eastern San Gabriels and the San Gabriel Valley through the San Fernando Valley and the Santa Clarita Valley, and across the Cuyama Valley and the San Luis Obispo County mountains and interior valleys.
High temperatures will be in the 90s up to around 102 degrees this weekend. Heat impacts are expected to drop off for Monday, however there is a small chance that the heat advisory may be extended for some areas.

With very high pressure aloft and a warm airmass, the marine layer will be shallow under a strong temperature inversion. This compression may produce dense fog across the coastal waters, and over the coastal plains overnight into the mornings. Overall, the marine layer influence will be minimal, with lower onshore flow this weekend. Expect very good clearing for all areas but the beaches.

As the previously mentioned moisture enters the region tonight, there will be a slight chance (< 20 percent) of thunderstorms.
The best chance will be Saturday night through Sunday, south of Point Conception. If thunderstorms were to form, cloud- to- ground lightning would be the main concern, though locally small hail, gusty winds, and brief heavy downpours are possible. However the most likely scenario will be build ups of cumulus clouds over the mountains. By Sunday night, the thunderstorm risk will be decreasing for most areas, except for the Santa Barbara South Coast. The latest NAM model run indicates a increase in vorticity on Monday over the Santa Ynez range. The PVA could interact with lingering moisture and produce a 15-20 percent chance of a shower or thunderstorm.

.LONG TERM (TUE-FRI)...22/332 AM.

For the extended period, the GFS and ECMWF and their respective ensemble members remain in good agreement that high pressure will persist over the region. High pressure will likely peak on Wednesday with 500 mb heights between 591 to 593 dam. Thursday and Friday heights will fall to between 585 to 588, as the high pressure centered over the desert southwest is dampened by a trough passing through the Pacific Northwest. However looking to next weekend, both the GFS and ECMWF indicate that very high pressure will again build by next Sunday or Monday. This event has the potential to surpass the current heatwave, as the ECMWF has heights peaking at 594 to 595 dam. This hints at a possibility of an even stronger heatwave beyond the forecast period.

Even with small changes to the upper level hieghts Tuesday through Friday, the upper level pattern will stay relatively constant. Additionally, strong onshore surface pressure gradients will persist. Thus the weather pattern is expected to be similar, with a slight cooling trend each day due to the falling hgts.
Thursday and Friday temperatures will be within 5 degrees of normal across the region. A shallow marine layer will produce low clouds and patchy dense fog, that will advance inland each night through the coastal plains. Stratus will clear quickly for all areas but the beaches, where clouds may cling throughout the day.

There is a small (< 10% chance) of thunderstorms over the mountains Tuesday, as mositure is expected to linger in the area.
By Wednesday however, precipitable water is expected to trend significantly downward. There is high confidence that dry SW flow aloft will set up late Tuesday and this will end any threat of thunderstorms.

AVIATION
22/1137Z.

At 0714Z at KLAX, the marine layer was 1100 feet deep. The top of the inversion was at 2800 ft with a temperature of 25 deg C.

Very good confidence in valley and desert TAFS.

Moderate to high confidence in KSMX, KSBP, and KOXR, and moderate confidence for all other sites.

For sites with cigs forecasted, there is a 20-25 percent chc of 1/4SM Vv002 conds until 15Z, clearing could be off by +/- 1 hour and cig heights could be off by 300 feet.

There is a 40% chance of no cigs developing for KSBA. There is a 20% chance of cigs developing for KPRB, KCMA, KSMO, KLAX, and KLGB, until 15Z.

KLAX...Moderate confidence in TAF. There is a 20% chance of BKN004-BKN008 cigs developing from 13-15Z. No significant east wind expected.

KBUR...High confidence in TAF.

MARINE
22/240 AM.

For the Outer Waters, high confidence in current forecast. Small Craft Advisory (SCA) winds are not expected through at least early next week, though there is a 40% chance for SCA winds to return by next Wednesday.

For the Inner Waters north of Point Sal, high confidence in current forecast. SCA conditions are not expected into next week.

For the inner waters south of Point Conception, high confidence in current forecast. SCA winds are not expected through at least early next week.

In addition, there is a slight chance of thunderstorms over the waters south of Pt Conception this weekend, as remnant moisture aloft from Tropical Cyclone Alberto advances into the region.
Please see the Marine Weather Statement (LAXMWSLOX) for information of the thunderstorm potential, as well as the potential for dense fog.

LOX WATCHES/WARNINGS/ADVISORIES
CA...Heat Advisory remains in effect from 10 AM this morning to 8 PM PDT Sunday for zones 38-88-343>345-372-373-380-548. (See LAXNPWLOX).
Excessive Heat Warning remains in effect from 10 AM this morning to 8 PM PDT Sunday for zones 353-376>379-381. (See LAXNPWLOX).
Excessive Heat Warning remains in effect from 10 AM this morning to 8 PM PDT Thursday for zones 382-383. (See LAXNPWLOX).
PZ...NONE.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
CPXC1 10 mi42 minNNW 1.9 52°F 29.8351°F
PSLC1 - 9412110 - Port San Luis, CA 10 mi52 min0G1.9 51°F 56°F29.82
46011 - SANTA MARIA - 21 NM Northwest of Point Arguello, CA 13 mi40 minN 9.7G12 53°F
46215 - Diablo Canyon, CA (076) 13 mi44 min 52°F4 ft
MBXC1 24 mi60 min 60°F
46218 - Harvest, CA (071) 40 mi44 min 53°F6 ft
46259 42 mi44 min 56°F7 ft


Wind History for Port San Luis, CA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KSBP SAN LUIS COUNTY RGNL,CA 17 sm21 minSSW 031/2 smOvercast Mist 54°F50°F88%29.81
KSMX SANTA MARIA PUB/CAPT G ALLAN HANCOCK FLD,CA 20 sm49 mincalm2 smOvercast Mist 52°F52°F100%29.81
KVBG VANDENBERG AFB,CA 23 sm35 mincalm7/8 sm--50°F50°F100%29.81
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Wind History graph: SBP
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Tide / Current for Avila, California
   
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Avila
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Sat -- 05:12 AM PDT     -4.06 feet Low Tide
Sat -- 05:49 AM PDT     Sunrise
Sat -- 06:04 AM PDT     Moonset
Sat -- 11:57 AM PDT     0.68 feet High Tide
Sat -- 03:45 PM PDT     -0.26 feet Low Tide
Sat -- 08:21 PM PDT     Sunset
Sat -- 09:37 PM PDT     Moonrise
Sat -- 10:11 PM PDT     3.79 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Avila, California, Tide feet
12
am
2
1
am
0.5
2
am
-1.1
3
am
-2.6
4
am
-3.6
5
am
-4
6
am
-3.9
7
am
-3.1
8
am
-2.1
9
am
-1
10
am
-0
11
am
0.5
12
pm
0.7
1
pm
0.5
2
pm
0.2
3
pm
-0.2
4
pm
-0.2
5
pm
0
6
pm
0.7
7
pm
1.6
8
pm
2.6
9
pm
3.4
10
pm
3.8
11
pm
3.6


Tide / Current for Port San Luis Wharf, California
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Port San Luis Wharf
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Sat -- 05:36 AM PDT     -1.06 feet Low Tide
Sat -- 05:49 AM PDT     Sunrise
Sat -- 06:04 AM PDT     Moonset
Sat -- 12:18 PM PDT     3.51 feet High Tide
Sat -- 04:21 PM PDT     2.49 feet Low Tide
Sat -- 08:21 PM PDT     Sunset
Sat -- 09:37 PM PDT     Moonrise
Sat -- 10:41 PM PDT     6.32 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Port San Luis Wharf, California, Tide feet
12
am
5.2
1
am
3.9
2
am
2.4
3
am
0.9
4
am
-0.3
5
am
-0.9
6
am
-1
7
am
-0.5
8
am
0.4
9
am
1.5
10
am
2.5
11
am
3.2
12
pm
3.5
1
pm
3.4
2
pm
3.1
3
pm
2.8
4
pm
2.5
5
pm
2.6
6
pm
3
7
pm
3.8
8
pm
4.7
9
pm
5.6
10
pm
6.2
11
pm
6.3


Weather Map
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GEOS Local Image of Southwest   
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Vandenberg AFB, CA,




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