Thursday, January21, 2021
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Marine Weather and Tides
Orange, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:52AMSunset 5:13PM Thursday January 21, 2021 6:19 PM PST (02:19 UTC) Moonrise 12:56PMMoonset 1:38AM Illumination 63% Phase: Waxing Gibbous; Moon at 9 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- 144 Pm Pst Thu Jan 21 2021
Tonight..S winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 14 seconds and S 2 ft at 13 seconds. Patchy fog after midnight.
Fri..S winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 13 seconds and S 2 ft at 17 seconds. Slight chance of showers in the afternoon.
Fri night..W winds 10 to 15 kt. Wind waves 1 to 3 ft. W swell 2 to 4 ft at 12 seconds, building to 4 to 5 ft at 12 seconds after midnight. Chance of showers.
Sat..W winds 10 to 15 kt. Wind waves 1 to 3 ft. W swell 3 to 4 ft at 11 seconds. Chance of showers.
Sat night..NW winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 3 to 4 ft at 11 seconds. Slight chance of showers in the evening.
Sun..NW winds 15 to 20 kt with gusts to 25 kt. Combined seas 3 to 5 ft. Rain likely.
Mon..W winds 15 to 25 kt with gusts to 35 kt. Combined seas 7 to 9 ft. Chance of rain.
PZZ600 144 Pm Pst Thu Jan 21 2021
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 21z, or 1 pm pst, a 1034 mb high was located south of alaska and a 1007 mb low was located over northern mexico. Winds and seas will remain relatively calm today before gusty nw winds return across much of the waters Friday afternoon.


7 Day Forecast for Marine Location Near Orange, CA
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location: 33.82, -117.88     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 212240 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 235 PM PST Thu Jan 21 2021

SYNOPSIS. Weak high pressure aloft will bring dry weather tonight. A trough from the north will bring increasing clouds Friday and areas of light rain and mountain snow Friday night and Saturday. After a dry day Sunday, a colder, wetter storm will bring heavier rain and mountain snow Monday into Tuesday. This cool weather pattern will persist through the end of next week.

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

Today was sunny and cool west of the mountains with temperatures 5 to 10 degrees lower than yesterday. Low-topped cumulus bubbled up over the mountains this afternoon. The deserts were mostly sunny and mild.

An active Pacific jet with embedded shortwaves will keep the weather over the West cool and unsettled through next week. Today was the calm before the storm(s). On Friday the first in a series of troughs will dig down the West Coast before moving inland across Southern California and Northern Baja Friday night and Saturday.

The precipitation will first start in the SBD mountains late Friday afternoon, then expand in areal coverage Friday night. The most widespread precip will be Saturday along and ahead of the cold front Saturday. This will be a cold system with 500 mb temperatures falling to -28C Saturday afternoon. Steep lapse rates could generate a t-storm. Precipitation amounts through Saturday night will be from 0.10"- 0.50" west of the mountains, and from 0.25"-0.75" in the mountains. The deserts will see 0.01-0.10". Snow levels will fall to 4,000- 4,500 feet on Saturday. Snow totals above 6,500 feet will range from 4-8" in the San Bernardino and Riverside County Mountains, and from 1-4" between 5,000-6,500 feet.

After a break in the weather Sunday, a second stronger and much colder wave digs south into the area. 500 mb temperatures with this second shortwave plummet to -32C, 700 mb temperatures to -13C and 850 mb temps -3C. Snow levels will fall below 3,000 feet, and perhaps down to 1,500 feet in the High Deserts where snow could accumulate. Snow may also be seen in some parts of the Inland Empire. Snow accumulations in the mountains will be from 6 to 18", the amounts dependent on elevation. Rain amounts will range from 0.50"-1.50" west of the mountains, and from 0.05-0.25" in the deserts.

This may be the coldest storm of the year. Highs on Monday and Tuesday will be 15 to 25 degrees below average. Max temps on those days will be only in the 20s in the SBD Mtns and highest Riverside County Mtns. Elsewhere in the mountains the highs will be from 30- 35. Coastal highs will be from 55-60, and valley highs from 47-55. Lower Deserts highs will only be 55-60, and the High Deserts in the low 40s.

Overnight lows Monday night and Tuesday night will be a concerns for agricultural interests. If the skies clear and the wind diminish, the frost and freeze threats will increase, but if the clouds, moisture and wind persist then the lows would not be that low. It all depends on how quickly the trough exits the area, and we will monitor that in the coming days.

This will also be a strong wind event over the coastal waters Monday when gale force winds are possible.

AVIATION. 212100Z . Mostly clear across the OC/Inland Empire with SCT clouds across the lower deserts and San Diego County valleys. SCT-BKN clouds around 7000-9000 feet MSL over the mountains will linger into the evening. Areas of low clouds with bases near 1500 ft developing after 03Z tonight will likely rise to near 2500 feet MSL after 10Z, spreading onto the coast and in parts of the valleys. Low clouds clearing briefly late Friday morning.

MARINE. No marine weather hazards are expected through the weekend, though light showers are possible Friday night through Saturday night. Confidence is increasing that another storm will bring hazardous winds and seas Monday into Tuesday. Gusty northwest winds over 35 knots are possible. Seas over 10 feet in the inner waters and over 15 feet in the outer waters are also possible as well.

Beaches. High surf is in the forecast with the incoming storm late Sunday night into Monday with sets over 7 feet, which will lead to hazardous swimming conditions and a higher risk for rip currents.

SKYWARN. Skywarn activation may be requested Saturday and again on Monday.

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



PUBLIC . Moede AVIATION/MARINE/BEACHES . APR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRJC1 17 mi62 min WSW 8.9 G 9.9
PFXC1 18 mi62 min WSW 8 G 9.9
46256 19 mi54 min 60°F3 ft
BAXC1 19 mi98 min SSW 7 G 8
PSXC1 19 mi62 min SW 8 G 8.9
PFDC1 20 mi104 min SW 11 G 13
AGXC1 21 mi92 min WSW 8 G 9.9 62°F 1014.1 hPa
PXAC1 21 mi92 min S 2.9 G 4.1
OHBC1 - 9410660 - Los Angeles, CA 22 mi62 min 60°F1016.7 hPa
46253 23 mi54 min 61°F3 ft
46222 - San Pedro, CA (092) 27 mi60 min 61°F3 ft
ICAC1 - 9410840 - Santa Monica Pier 35 mi62 min S 6 G 7 60°F1016.7 hPa
46221 - Santa Monica Bay, CA (028) 40 mi54 min 59°F3 ft
46268 40 mi50 min 60°F 60°F2 ft
46224 - Oceanside Offshore, CA (045) 49 mi54 min 61°F3 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fullerton, Fullerton Municipal Airport, CA6 mi27 minS 310.00 miFair63°F48°F58%1015.9 hPa
John Wayne-Orange County Airport, CA10 mi27 minSW 410.00 miA Few Clouds62°F52°F70%1016.4 hPa
Long Beach, Long Beach Airport, CA14 mi27 minN 010.00 miFair63°F49°F60%1016.1 hPa
Chino, Chino Airport, CA16 mi27 minW 610.00 miA Few Clouds61°F43°F52%1016.4 hPa
El Monte, CA20 mi32 minSW 410.00 miFair64°F41°F43%1016.3 hPa
Brackett Field Airport, CA21 mi33 minWSW 310.00 miFair61°F41°F48%1016.6 hPa
Ontario International Airport, CA22 mi27 minWSW 910.00 miA Few Clouds62°F44°F52%1015.9 hPa
Riverside Municipal Airport, CA24 mi27 minW 610.00 miFair63°F43°F48%1015.2 hPa
Torrance, Zamperini Field Airport, CA24 mi30 minN 010.00 miClear61°F45°F55%1016.3 hPa

Link to 5 minute data for KFUL

Wind History from FUL (wind in knots)
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Last 24hr------------------------------------------------
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2 days ago------------------------------------------------

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
Click for Map
Thu -- 12:38 AM PST     Moonset
Thu -- 04:45 AM PST     3.73 feet High Tide
Thu -- 06:54 AM PST     Sunrise
Thu -- 11:56 AM PST     Moonrise
Thu -- 12:27 PM PST     0.92 feet Low Tide
Thu -- 05:12 PM PST     Sunset
Thu -- 06:08 PM PST     2.31 feet High Tide
Thu -- 10:40 PM PST     1.34 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.72.22.83.33.63.73.53.22.621.51.10.911.21.51.92.22.32.221.61.41.4

Tide / Current Tables for Santa Ana River entrance (inside), California
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Santa Ana River entrance (inside)
Click for Map
Thu -- 12:38 AM PST     Moonset
Thu -- 04:08 AM PST     2.42 feet High Tide
Thu -- 06:54 AM PST     Sunrise
Thu -- 11:55 AM PST     Moonrise
Thu -- 01:02 PM PST     0.31 feet Low Tide
Thu -- 05:12 PM PST     Sunset
Thu -- 05:31 PM PST     1.50 feet High Tide
Thu -- 11:15 PM PST     0.45 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.71.21.82.22.42.42.21.91.61.20.80.50.40.30.50.81.21.51.51.31.10.80.60.5

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
Ground Weather Radar Station




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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.