Saturday, February27, 2021
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Marine Weather and Tides
Cambria, CA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:33AMSunset 5:57PM Saturday February 27, 2021 1:22 AM PST (09:22 UTC) Moonrise 6:39PMMoonset 7:11AM Illumination 100% Phase: Full Moon; Moon at 15 days in cycle
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- 842 Pm Pst Fri Feb 26 2021
.small craft advisory in effect through late Saturday night...
Tonight..NW winds 15 to 25 kt with gusts to 30 kt in the evening, becoming 10 to 20 kt. Combined seas 10 to 13 ft dominant period 14 seconds.
Sat..N winds 10 to 20 kt with gusts to 25 kt, becoming nw 15 to 25 kt with gusts to 30 kt in the afternoon. Combined seas 11 to 12 ft dominant period 14 seconds.
Sat night..NW winds 15 to 25 kt with gusts to 30 kt in the evening, becoming N 10 to 15 kt with gusts to 20 kt. Combined seas 10 to 12 ft dominant period 13 seconds, subsiding to 8 to 11 ft dominant period 13 seconds after midnight.
Sun..N winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 7 to 9 ft at 13 seconds.
Sun night..NW winds 10 kt in the evening, becoming e. Wind waves 2 ft or less. NW swell 6 to 8 ft at 13 seconds.
Mon..Winds variable 10 kt or less, becoming S 10 kt in the afternoon. Wind waves 2 ft or less. NW swell 5 to 6 ft at 13 seconds.
Mon night..SW winds 10 kt in the evening, becoming N 10 to 15 kt. Wind waves 2 ft or less. NW swell 5 to 6 ft at 13 seconds.
Tue..N winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 6 to 8 ft.
Wed..NW winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 7 to 8 ft.
PZZ600 842 Pm Pst Fri Feb 26 2021
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 04z, or 8 pm pst, a 1044 mb high pressure center was located around 900 nm west of eureka ca and a weak thermal trough was over the southern california coastline.


7 Day Forecast for Marine Location Near Cambria, CA
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location: 35.58, -121.12     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 270505 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 905 PM PST Fri Feb 26 2021

SYNOPSIS. 26/828 PM.

Northerly winds across the region will be gusty overnight and Saturday morning, then shift offshore Saturday evening and strengthen into a moderate to strong Santa Ana event through Sunday. There will be patchy fog off the Los Angeles County coast Saturday morning and a chance for precipitation by midweek.

SHORT TERM (FRI-MON). 26/903 PM.

The latest satellite imagery shows an upper-level trough of low pressure entering the Great Basin this evening. Closer to the surface, surface high pressure is building into the Great Basin from the west as a colder air mass spreads into Oregon. Surface high pressure will continue to build into the Great Basin through Saturday while lower pressure will remain over the southern California bight. This will set up offshore flow across the region for Saturday night and Sunday. A tighter northerly surface pressure gradient will continue to affect the area tonight and into Saturday. Gusty northerly winds will affect portions of the area through Saturday, such as through the Interstate 5 Corridor and across southern Santa Barbara County, then a moderate to strong Santa Ana wind event will develop. Some model-to-model inconsistencies remain for Saturday night and Sunday. High Wind Watches will remain in effect for Los Angeles and Ventura County mountains, including the Santa Monica Range, and the Santa Clarita Valley for the current time. Hopefully, better confidence will arise as weather pattern comes into the window of the higher resolution model solutions.

***From Previous Discussion***

The upper level trof is forecast to sharpen over srn NV into AZ later Sat night and strengthen into an upper level low over AZ on Sun, with a strong northerly flow aloft over the forecast area. A weak upper level ridge will move into the area Sun night into early Mon. By Mon afternoon, an upper level low is forecast to develop about 500 miles off the central CA coast, with a broad SW flow aloft moving into the forecast area.

The NAM is forecasting northerly pressure gradients to increase further tonight into Sat morning, then easterly offshore gradients should strengthen Sat night into Sun morning, while northerly gradients lower some but remain offshore into Sun morning. These gradients combined with some upper level support and cold air advection will bring an extensive period of gusty northerly Advisory-level winds to the SBA/VTU/L.A. County mtns, SBA County S coast and Santa Clarita Vly tonight into Sat evening, while the Antelope Vly should have these winds until around midnight tonight. There is also a chance of some Advisory-level gusts at times for the San Fernando Vly, Santa Monica Mtns and VTU County vlys, especially in the hills. Wind Advisories continue for many of these areas thru Sat evening.

The broad northerly flow will quickly turn to the NE by late Sat evening and increase further into most of Sun, with many parts of the forecast area mainly from southern SBA eastward having Advisory-level winds. There is also support for Warning-level winds in the L.A./VTU County mtns including the Santa Monica Mtns, as well as the Santa Clarita Vly. High Wind Watches remain in effect for these areas from late Sat evening thru Sun afternoon. High-end Wind Advisories will likely be needed Sat night and Sun for the other wind-prone areas of VTU/L.A. Counties including the coast, VTU County Vlys, and San Fernando Vly. Northerly winds to Advisory-levels cannot be ruled out for the foothill areas of the San Gabriel Vly as well. Wind gusts up to 65 mph will be possible in the Watch areas, with gusts up to 50 mph for potential Advisory areas. Gusty NE winds will likely also affect the Santa Lucia Mtns and hills along the Central Coast, possibly to Advisory-levels at times. There will be leftover gusty NE winds thru Sun night but should diminish below Advisory-levels in all areas by early Mon.

There may be some low clouds and patchy dense fog around the southern L.A. County coast Sat morning, otherwise mostly clear skies will prevail across the forecast area tonight thru Mon. Even with the offshore flow, temps will turn cooler Sat and Sun for most areas, and several degrees cooler in the mtns and interior areas on Sun. Highs in the warmest coast and vlys will generally be in the upper 60s to lower 70s Sat and Sun. For Mon, hi temps should then warm about 2-4 deg most areas.

LONG TERM (TUE-FRI). 26/153 PM.

The medium range models remain problematic with the potential mid- week weather system. The GFS continues to forecast the upper low over the E Pac by late Mon to move into the srn CA coastal waters late Tue and Tue night before ejecting eastward on Wed. The GFS also shows rain associated with with a surface front moving into portions of the district Tue night and Wed. The latest EC has trended some toward the GFS solution as it finally has the upper level low over the E Pac by late Mon but tracks this system S and well off the srn CA coast thru Tue night before pushing east and into nrn Baja Wed into Wed evening. The deterministic EC remains dry over SW CA thru mid-week. The GFS mean ensemble closely matches the deterministic run, while the EC mean ensembles show a broad upper trof with scattered light pcpn moving into the area Tue night and Wed.

Have opted to lean toward the wetter GFS as it has consistently shown this chance of rain around mid-week over the past several model runs, and the EC was trending in this direction. Dry weather is expected on Tue, then a chance to slight chance of rain should move into the area Tue night and Wed, mainly from srn SBA County and thru much of VTU/L.A. Counties. At this time due to the lingering uncertainties, forecast precip amounts are difficult to predict but should be mostly on the light side and generally less than 0.20 inch. It should be noted, however, that the deterministic GFS was forecasting up to 0.60 inch over parts of the coast and vlys. We will likely fine-tune this pcpn fcst as additional model runs come in.

Beyond Wed, it looks like some upper level ridging should move into the area on Thu, followed by an approaching upper level trof from the E Pac on Fri resulting in a broad SW flow aloft. This pattern will promote dry conditions over the area for late next week.

Temperatures should turn a few degrees below normal for many areas Tue and Wed, then rebound to near normal to slightly above normal for Thu and Fri.

AVIATION. 27/0058Z.

At 00Z, there was no marine layer at KLAX.

VFR conditions are expected through the period, except for a slight chance to chance of LIFR conditions at Los Angeles County coastal terminals between 09Z and 16Z. Periods of moderate to strong low-level wind shear and turbulence are possible on Saturday evening.

KLAX . VFR conditions are expected through the period, except for a 10 percent chance of LIFR conditions between 13Z and 16Z. Any easterly winds overnight tonight and Saturday morning will be less than 7 knots. Northerly cross winds with periods of moderate to wind shear and turbulence are possible on Saturday evening.

KBUR . VFR conditions are expected through the period. Periods of moderate to wind shear and turbulence are possible on Saturday evening.

MARINE. 26/820 PM.

Across the outer waters . Winds will increase to Gale force by late tonight and continue through late Saturday night. They will diminish to Small Craft Advisory (SCA) level on Sunday and to below SCA level by late Sunday. Seas will be SCA level through late Saturday. Conditions will be below SCA level Monday through Wednesday.

Across the nearshore waters of the Central Coast . Winds and seas will be SCA level through late Saturday night. Otherwise conditions will remain below SCA level.

Across the inner waters south of Point Conception . Northwest winds will be elevated and gusty near Point Conception through Saturday evening but conditions will remain below SCA level. On Sunday, northeast winds will reach SCA level from Point Mugu to Santa Monica and likely out to the Channel Islands including Catalina Island. Otherwise and elsewhere, conditions will be below SCA level.

BEACHES. 26/817 PM.

A large northwest swell will peak tonight through Saturday morning, then subside on Sunday. This will bring high surf conditions to west to northwest-facing beaches of the Central Coast tonight through Sunday morning. Large breaking waves of 8 to 12 feet with local sets to 16 feet are likely. In addition, there will be dangerous rip currents.

A High Surf Advisory will be in effect until 10am Sunday. Surf on Ventura County beaches will remain below high surf criteria, but there will be local sets to 7 feet.

LOX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory in effect until 10 AM PST Sunday for zones 34-35. (See LAXCFWLOX). Wind Advisory in effect until 3 AM PST Sunday for zones 39-52. (See LAXNPWLOX). High Wind Watch in effect from Saturday evening through Sunday afternoon for zones 46-53-54-88. (See LAXNPWLOX). Wind Advisory in effect until 10 PM PST Saturday for zones 53-54-88. (See LAXNPWLOX). Wind Advisory in effect until midnight PST tonight for zone 59. (See LAXNPWLOX). PZ . Small Craft Advisory in effect until 3 AM PST Sunday for zone 645. (See LAXMWWLOX). Small Craft Advisory in effect from 3 AM to 3 PM PST Sunday for zones 650-655. (See LAXMWWLOX). Gale Warning in effect until 9 PM PST Saturday for zones 670-673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (MON-FRI).

There is a possibility of widespread rain on Wednesday.



PUBLIC . Hall/Sirard AVIATION . Hall MARINE . Kj BEACHES . Kj SYNOPSIS . Kj

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46215 - Diablo Canyon, CA (076) 29 mi26 min 52°F8 ft
PSLC1 - 9412110 - Port San Luis, CA 34 mi52 min N 1.9 G 5.1 51°F 51°F1017.7 hPa
CPXC1 35 mi24 min 4.1 G 7
46011 - SANTA MARIA - 21 NM Northwest of Point Arguello, CA 43 mi22 min NW 25 G 31 55°F1017.4 hPa (-0.0)
46028 - CAPE SAN MARTIN - 55NM West Northwest of Morro Bay, CA 44 mi32 min NNW 33 G 41 51°F 1018.5 hPa44°F

Wind History for Port San Luis, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Paso Robles Municipal Airport, CA27 mi29 minNW 1310.00 miFair45°F40°F83%1017.6 hPa

Link to 5 minute data for KPRB

Wind History from PRB (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmNE5CalmN33NW54NW5CalmN6NW14NW11NW95W10NW13NW10NW11NW11NW13
1 day agoS3NE5E3CalmCalmCalmE4CalmNW4Calm3NE8E8E7E4E6E8E9SE6SE5NE3E3CalmSE3
2 days agoCalmCalmE9NE3NE3CalmCalmCalmCalm4N5N7N7N9N12NW16N13N11NE8NE4E5CalmNE5E3

Tide / Current Tables for San Simeon, California
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San Simeon
Click for Map
Sat -- 12:19 AM PST     Full Moon
Sat -- 03:44 AM PST     1.08 feet Low Tide
Sat -- 06:36 AM PST     Sunrise
Sat -- 07:11 AM PST     Moonset
Sat -- 09:48 AM PST     5.95 feet High Tide
Sat -- 04:35 PM PST     -0.90 feet Low Tide
Sat -- 05:58 PM PST     Sunset
Sat -- 06:39 PM PST     Moonrise
Sat -- 10:50 PM PST     4.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.62.81.91.21.11.52.53.74.95.75.95.54.42.91.3-0-0.8-0.8-0.212.33.64.44.6

Tide / Current Tables for Morro Beach, Estero Bay, California (2)
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Morro Beach
Click for Map
Sat -- 12:19 AM PST     Full Moon
Sat -- 03:42 AM PST     1.05 feet Low Tide
Sat -- 06:35 AM PST     Sunrise
Sat -- 07:09 AM PST     Moonset
Sat -- 09:48 AM PST     5.77 feet High Tide
Sat -- 04:33 PM PST     -0.87 feet Low Tide
Sat -- 05:57 PM PST     Sunset
Sat -- 06:37 PM PST     Moonrise
Sat -- 10:50 PM PST     4.45 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.52.71.81.21.11.52.43.64.85.55.85.34.22.81.2-0-0.8-0.8-0.20.92.33.54.24.4

Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.