Friday, February26, 2021
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Marine Weather and Tides
Lake Forest, 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 6:20AMSunset 5:46PM Friday February 26, 2021 7:40 PM PST (03:40 UTC) Moonrise 6:18PMMoonset 7:18AM 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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PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 229 Pm Pst Fri Feb 26 2021
Tonight..W winds 10 to 15 kt, becoming nw 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 3 to 4 ft at 11 seconds.
Sat..NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 5 ft at 11 seconds. Patchy dense fog with vsby 1 nm or less in the morning.
Sat night..NW winds 10 to 15 kt, becoming ne 15 to 25 kt with gusts to 30 kt after midnight. Strongest western portion. Combined seas 3 to 5 ft dominant period 13 seconds.
Sun..NE winds 15 to 25 kt with gusts to 30 kt, becoming 10 to 20 kt with gusts to 25 kt in the afternoon. Combined seas 4 to 5 ft dominant period 13 seconds.
Sun night..N winds 10 to 15 kt. Wind waves 1 to 3 ft. W swell 3 to 4 ft at 13 seconds.
Mon..NE winds 5 to 10 kt, becoming se in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 13 seconds.
Mon night..W winds 5 to 10 kt, becoming nw 10 to 15 kt after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 13 seconds.
Tue..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 4 ft. Chance of rain.
Wed..SW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 4 ft. Chance of rain.
PZZ600 229 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 22z, or 2 pm pst, a 1046 mb high pressure center was located around 1000 nm west of eureka ca and a weak thermal trough was over the southern california coastline.


7 Day Forecast for Marine Location Near Lake Forest, CA
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location: 33.71, -117.7     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 262209 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 210 PM PST Fri Feb 26 2021

SYNOPSIS. A trough of low pressure will bring slightly cooler weather tomorrow along with scattered low clouds near the coast. A Santa Ana pattern tomorrow night will bring strong northeast winds to the mountains and deserts through Sunday. Sunday will be a cooler day in all areas. Monday will be sunny and warmer with lighter offshore winds. A trough over the Pacific may bring light rain west of the mountains Tuesday night and Wednesday.

DISCUSSION. FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE . SAN DIEGO . WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES .

Skies were clear all across the land today. Coastal temperatures at 1 PM were running a couple degrees cooler than 24 hours previous, while farther inland the valleys, mountains and deserts were a few degrees warmer. Winds were light in most areas. That will change this weekend as another Santa Ana pattern sets up.

It all begins when shortwave over the Pacific Northwest digs south across the Great Basin tonight and then into Arizona Sunday. Onshore gradients ahead of the wave will bring a few degrees of cooling Saturday, and there may also be scattered low clouds in the coastal zones as a weak Catalina Eddy spins up over the coastal waters.

The Santa Ana winds begin in earnest Saturday night. However, there will be breezy north winds during the day Saturday in the San Bernardino Mountains, foothills, and the Inland Empire below the Cajon Pass as the north-south gradients increase. This wind event looks similar in strength, timing and coverage as the Thursday event. A High Wind Watch will be in effect from 10 PM Saturday through 4 PM Sunday for the San Bernardino, Riverside and Orange County mountains and foothills, the Inland Empire, and northern sections of the Coachella Valley. Winds of 20-40 mph will gust from 50-60 mph with gusts to 75 mph in the most wind prone sites.

Sunday will be a cooler day in the mountains and deserts as the cold north winds keep highs in the 30s in the SBD mountains and from 40- 50 elsewhere. The deserts will be cooler too with highs in the 50s in the High Deserts, and around 70 in the Lower Deserts. Valley highs will be in the 60s, while the coastal highs will warm into the 70s as the warm downslope flow reaches the coast.

The winds diminish Sunday evening, and Monday will be sunny and warmer in all areas except near the coast where temperatures will be a little cooler as weak onshore flow returns there.

Forecast challenges remain for the midweek outlook. The huge disparity in the model solutions that we observed three days ago hasn't changed much. Cluster groupings weighted with the CMC and ECMWF favor dry weather Tuesday and Wednesday, while the cluster grouping weighted more heavily with the GFS are wetter, especially on Wednesday. However, there is one change that was noted today with the 12Z operational ECMWF. It now shows a shortwave in the northern jet breaking free and digging south over the eastern Pacific. This is more in line with a GFS solution, and is the first sign of any consensus at all. The afternoon package is a blend of the CMC/GFS/ECMWF, and now contains a slightly greater potential for precipitation Tuesday night and primarily Wednesday.

After Wednesday the trough moves inland with ridging aloft and dry, warmer weather Thursday and Friday.

AVIATION. 262100Z . Mostly clear skies through this evening. Low clouds and fog possible VCTNY KSAN and KCRQ, with low confidence near KSNA after 09z Sat, with bases 500-800 FT MSL. Low clouds and fog to dissipate 16z-18z Sat.

Locally breezy W-NW winds will be possible this evening through Sat morning across mtns and adjacent desert slopes, with gusts of 30 to 40 kts, isolated higher gusts across wind-prone areas. Winds will diminish Sat afternoon before turning offshore Sat night into Sun.

MARINE. No hazardous marine weather is expected through Saturday afternoon. Breezy northwest winds will be possible for several hours Saturday evening with gusts to 20 kts at times before rapidly turning to the east-northeast early on Sunday. Gusts of 25 to 30 kts will be possible into Sunday evening.

FIRE WEATHER. Dry Santa Ana winds begin Saturday night and continue through Sunday as high pressure builds over the Great Basin. Winds from 20-40 mph with gusts of 50-60 mph are likely in the San Bernardino, Santa Ana Mountains and parts of the Riverside County mountains and the Inland Empire. Highest wind gusts of 70 mph are likely at the most wind prone stations. Humidity on Sunday will fall to around 10%, and the strong winds and low RH will elevate the fire weather concerns.

Humidities remain low Monday but the Santa Ana winds will be lighter and more localized in the canyons and mountain passes.

SKYWARN. Skywarn activation will not be needed Saturday.

SGX WATCHES/WARNINGS/ADVISORIES. CA . High Wind Watch from Saturday evening through Sunday afternoon for Orange County Inland Areas-Riverside County Mountains- San Bernardino County Mountains-San Bernardino and Riverside County Valleys-The Inland Empire-San Gorgonio Pass Near Banning-Santa Ana Mountains and Foothills.

PZ . NONE.



PUBLIC/FIRE WEATHER . Moede AVIATION/MARINE . Schenk


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRJC1 26 mi53 min W 11 G 12
46253 27 mi45 min 58°F3 ft
46256 27 mi45 min 58°F2 ft
PFXC1 27 mi53 min SW 5.1 G 6 60°F
PSXC1 28 mi53 min WNW 2.9 G 5.1
AGXC1 29 mi65 min WSW 8.9 G 13 58°F 1011 hPa
BAXC1 29 mi71 min W 5.1 G 6
PFDC1 29 mi65 min SSW 1.9 G 4.1
OHBC1 - 9410660 - Los Angeles, CA 30 mi53 min 59°F1013.4 hPa
PXAC1 30 mi65 min WNW 2.9 G 5.1
46222 - San Pedro, CA (092) 33 mi50 min 59°F4 ft
46224 - Oceanside Offshore, CA (045) 39 mi45 min 59°F2 ft
ICAC1 - 9410840 - Santa Monica Pier 47 mi53 min S 1.9 G 1.9 57°F 60°F1013.7 hPa

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
John Wayne-Orange County Airport, CA9 mi48 minSSW 610.00 miFair59°F44°F58%1013 hPa
Corona Airport, CA14 mi45 minN 010.00 miFair59°F27°F29%1012.5 hPa
Chino, Chino Airport, CA18 mi48 minW 610.00 miFair55°F29°F37%1013 hPa
Fullerton, Fullerton Municipal Airport, CA19 mi48 minS 410.00 miFair61°F42°F50%1012.5 hPa
Riverside Municipal Airport, CA21 mi48 minW 410.00 miFair60°F26°F27%1012 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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Last 24hrS3CalmCalmSW3CalmCalmE3CalmCalmCalmCalmCalmNE4CalmCalmW3S7S6SW9S10W7SW5SW5S6
1 day agoSW5S8Calm3CalmCalmCalmCalmCalmCalmSW3CalmW4CalmNE9
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2 days agoS5SW4S4CalmCalmE3CalmCalmCalmCalmE4CalmN3CalmNW3SW6SW10SW10SW9SW9SW10SW8S6S3

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California
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Newport Bay Entrance
Click for Map
Fri -- 02:00 AM PST     1.39 feet Low Tide
Fri -- 06:18 AM PST     Moonset
Fri -- 06:23 AM PST     Sunrise
Fri -- 08:08 AM PST     6.17 feet High Tide
Fri -- 03:01 PM PST     -1.13 feet Low Tide
Fri -- 05:18 PM PST     Moonrise
Fri -- 05:45 PM PST     Sunset
Fri -- 09:21 PM PST     4.38 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.31.61.41.72.43.64.85.76.25.94.93.51.80.3-0.7-1.1-0.80.11.42.83.84.34.23.6

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California (2)
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Newport Bay Entrance
Click for Map
Fri -- 02:05 AM PST     1.42 feet Low Tide
Fri -- 06:18 AM PST     Moonset
Fri -- 06:23 AM PST     Sunrise
Fri -- 08:11 AM PST     5.99 feet High Tide
Fri -- 03:05 PM PST     -1.03 feet Low Tide
Fri -- 05:18 PM PST     Moonrise
Fri -- 05:46 PM PST     Sunset
Fri -- 09:23 PM PST     4.35 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.41.71.41.62.43.44.65.565.84.93.51.90.5-0.6-1-0.70.21.42.73.84.34.23.7

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.