Sunday, February23, 2020
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Marine Weather and Tides
Costa Mesa, CA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:26AMSunset 5:44PM Sunday February 23, 2020 6:17 AM PST (14:17 UTC) Moonrise 7:49AMMoonset 6:56PM Illumination 0% Phase: New Moon; Moon at 29 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- 259 Am Pst Sun Feb 23 2020
Today..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft at 7 seconds.
Tonight..W winds 5 to 10 kt, becoming E after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 8 seconds.
Mon..Winds variable 10 kt or less, becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 9 seconds.
Mon night..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 3 ft at 9 seconds.
Tue..NE winds 5 to 10 kt, becoming N 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 9 seconds.
Tue night..NW winds 5 to 10 kt, becoming N after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 11 seconds.
Wed..N winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Thu..N winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.
PZZ600 259 Am Pst Sun Feb 23 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 10z, or 2 am pst, a 1013 mb surface low was located over northern arizona, with a 1033 mb high centered 700 nm W of point conception. Increasing nw winds will continue today with gales likely across the outer waters this afternoon and tonight. Winds will gradually diminish between late tonight and Tuesday morning.


7 Day Forecast for Marine Location Near Costa Mesa, CA
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location: 33.63, -117.96     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 231052 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 252 AM PST Sun Feb 23 2020

SYNOPSIS. Cloudiness and isolated showers will continue this morning from the coast to the mountains before conditions clear during the afternoon. An upper level ridge will build in from the west this week, resulting in dry and warmer weather. Locally gusty northeast to east winds will occur below passes and canyons Monday through Friday, with the strongest winds Tuesday and Wednesday.

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

Highlights.

* Isolated showers this morning; Clearing this afternoon * Dry with warming temperatures this week

Satellite imagery shows lots of cloudiness over the area along with isolated showers from the coast to the mountains. This will continue this morning before conditions clear out during the afternoon. Precip amounts will be inconsequential.

The weather pattern this week will feature a building ridge from the west with the upper ridge axis overhead by Thursday. This will mean dry weather conditions this week along with warming temperatures with temps by midweek well into the 70s most areas and even into the 80s over the inland valleys and lower deserts.

Offshore winds will predominate much of the week and be strongest Monday and Tuesday morning, but with gusts through and below passess and canyons only looking to be at about 40 mph or so, so not too strong.

An upper level trough will start to develop over the West Coast next weekend as a shortwave dives into the Pacific Northwest. This will lead to slight cooling over the area as we close out the week. As the shortwave dives southeast, a return of showers could arrive as early as Sunday, March 1st. The first week of March looks to be cooler with at least a chance of some precipitation, though it's not looking signficant.

AVIATION. 231000Z . Coast/Valleys . BKN-OVC clouds with bases 2000-3000 ft MSL to continue through most of Sunday. Isolated showers early this morning will taper off by mid-morning. There may be a short period of clearing late this afternoon and into the evening, but low clouds will return tonight. Low-level moisture will linger tonight into Monday morning, so patchy low clouds and fog are possible, especially in the valleys. Bases will be around 1500-2000 feet MSL. Mainly light west winds will continue through the period.

Mountains/Deserts . Clouds with bases 2000-3000 feet will continue over the mountains through this morning, with gradual clearing in the afternoon. Isolated showers early this morning will taper off by midday.

MARINE. No hazardous marine weather is expected through Thursday.

SKYWARN. Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions.

SGX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . NONE.

PUBLIC . Gregoria AVIATION/MARINE . Brotherton


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46253 12 mi47 min 60°F4 ft
46256 14 mi47 min 60°F3 ft
PRJC1 14 mi47 min W 9.9 G 12
AGXC1 16 mi47 min W 6 G 7
PFXC1 16 mi47 min W 5.1 G 7
PFDC1 17 mi53 min SW 5.1 G 6
PSXC1 17 mi47 min W 5.1 G 7
BAXC1 18 mi47 min SSW 8 G 8.9
OHBC1 - 9410660 - Los Angeles, CA 18 mi47 min 62°F1023.5 hPa
46222 - San Pedro, CA (092) 19 mi24 min 60°F4 ft
PXAC1 19 mi47 min WSW 4.1 G 5.1
46221 - Santa Monica Bay, CA (028) 39 mi21 min 60°F5 ft
ICAC1 - 9410840 - Santa Monica Pier 39 mi47 min N 1.9 G 2.9 54°F 61°F1023.3 hPa
46224 - Oceanside Offshore, CA (045) 41 mi47 min 60°F5 ft

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, CA6 mi24 minSW 310.00 miMostly Cloudy59°F50°F72%1023.4 hPa
Los Alamitos Army Airfield, CA12 mi79 minN 010.00 miOvercast55°F50°F87%1022.6 hPa
Fullerton, Fullerton Municipal Airport, CA17 mi24 minN 010.00 miOvercast56°F51°F84%1023 hPa
Long Beach, Long Beach Airport, CA17 mi24 minN 010.00 miOvercast55°F48°F80%1023.2 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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Last 24hrE4SE5SE5SE8E44S10S10SW8S10SW8W5W3CalmCalmS3S4SE4S54S3CalmCalmSW3
1 day agoN3CalmCalmCalmS7SW8SW7SW9SW7
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W5S10S17S9S8SE5S5SE5SE6SE7SE7SE5E6CalmE4
2 days agoNE4CalmCalmCalm3CalmSW5S4SW5SW6SW4W4S3Calm3W4CalmCalmNE3CalmCalmCalmE3Calm

Tide / Current Tables for Santa Ana River entrance (inside), California
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Santa Ana River entrance (inside)
Click for Map
Sun -- 04:30 AM PST     0.30 feet Low Tide
Sun -- 06:27 AM PST     Sunrise
Sun -- 06:48 AM PST     Moonrise
Sun -- 07:33 AM PST     New Moon
Sun -- 09:10 AM PST     3.09 feet High Tide
Sun -- 05:23 PM PST     -0.11 feet Low Tide
Sun -- 05:43 PM PST     Sunset
Sun -- 05:56 PM PST     Moonset
Sun -- 10:17 PM PST     2.31 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.81.40.90.50.30.40.91.82.73.132.72.31.71.10.50.1-0.1-00.51.31.92.32.3

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
Click for Map
Sun -- 03:55 AM PST     0.91 feet Low Tide
Sun -- 06:28 AM PST     Sunrise
Sun -- 06:49 AM PST     Moonrise
Sun -- 07:33 AM PST     New Moon
Sun -- 09:47 AM PST     4.76 feet High Tide
Sun -- 04:48 PM PST     -0.32 feet Low Tide
Sun -- 05:43 PM PST     Sunset
Sun -- 05:57 PM PST     Moonset
Sun -- 10:54 PM PST     3.55 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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32.41.61.10.91.21.92.93.94.64.74.43.62.61.40.5-0.2-0.30.10.81.82.73.43.6

Weather Map
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wmap_P
GEOS Local Image of Southwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Diego, CA (9,2,3,4)
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Ground Weather Radar Station Santa Ana Mtns, CA
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weather_mapweather_map weather_map

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Disclaimer:
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.