Saturday, January25, 2020
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Marine Weather and Tides
Sunset Beach, 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 6:51AMSunset 5:17PM Saturday January 25, 2020 7:34 PM PST (03:34 UTC) Moonrise 8:38AMMoonset 7:11PM Illumination 1% Phase: Waxing Crescent; Moon at 1 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- 218 Pm Pst Sat Jan 25 2020
Tonight..SW winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 3 to 4 ft at 15 seconds. Areas of dense fog with visibility 1 nm or less.
Sun..Winds variable 10 kt or less, becoming W 10 to 20 kt in the afternoon. Strongest western portion. Wind waves 1 to 3 ft. W swell 3 to 4 ft at 14 seconds. Patchy fog in the morning.
Sun 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 5 ft at 8 seconds.
Mon..N winds 5 to 10 kt, becoming nw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 3 to 5 ft at 9 seconds.
Mon night..NW winds 10 to 15 kt becoming N after midnight. Wind waves 2 ft or less. W swell 3 to 5 ft at 12 seconds.
Tue..NE winds 5 to 10 kt, becoming nw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 3 to 5 ft at 12 seconds.
Tue night..NW winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 3 to 4 ft at 9 seconds.
Wed..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 4 to 5 ft.
Thu..NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 5 ft.
PZZ600 218 Pm Pst Sat Jan 25 2020
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 1024 mb surface high was centered 800 nm southwest of point conception and extended into utah. The high off the coast will strengthen and push closer to the coast through early next week resulting in strengthening nw flow. Gale force winds are possible with widespread steep seas. Dense fog will impact the waters south of point conception through at least tonight.


7 Day Forecast for Marine Location Near Sunset Beach CDP, CA
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location: 33.71, -118.06     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 252202 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 200 PM PST Sat Jan 25 2020

SYNOPSIS. A trough moving across California Sunday will bring cooler weather, a deeper marine layer and gusty west winds to the mountains and deserts. Next week will be dry and warm with prevailing high pressure aloft. A Santa Ana weather pattern sets up Wednesday through Friday for warmer days and gusty offshore winds.

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

The forecast challenge today is whether dense fog will once again reform in the coastal zones and western valleys tonight. The marine layer will deepen a couple hundred feet tonight as a Catalina Eddy spins up over the coastal waters and a 500 mb trough approaches from the west. That deepening trend would mean that dense fog would be most likely a little farther inland across the western valleys and on the coastal mesas tonight, instead of at the coast as it was this morning.

The trough moves inland Sunday for what will be a cooler day. Marine layer clouds may be a little slower to clear back to the coast, and like today, some beaches probably won't completely clear. Gusty west winds of 15-30 mph will impact the mountains and deserts with gusts to 50 mph at the windiest spots.

Ridging aloft Monday and Tuesday will bring back warmer days, a shallower marine layer and a period of weak offshore flow. Low clouds and fog will be confined to the coastal zones where areas of morning fog will again be possible.

On Tuesday night both the GFS and ECMWF project an inside slider to move across the Great Basin. The ECMWF is stronger with this shortwave than the GFS, but both models show a Santa Ana pattern setting up Wednesday through Friday. Although its intensity has yet to be determined, Wednesday through Friday are looking dry and warm with gusty offshore winds in the mountains, foothills and valleys.

This warm, dry pattern will stick around for a while. A strong upper ridge builds over the eastern Pacific next weekend and beyond for dry, warm weather through early next week.

AVIATION. 252200Z . Coast/Valleys . Low clouds with bases 700-1000 ft MSL hugging the San Diego County coast. Timing of clouds impacting coastal TAF sites somewhat low, but those in SD County look to go under first, perhaps before 00Z Sunday, around 03Z Sunday at KSNA. Bases will lower to 300-500 ft MSL with VCFG likely for coastal terminals with VIS 1-3 sm, though locally down to 1/4 sm at times. Slight lifting of cloud bases is anticipated overnight after 10Z, so VIS may improve. Spread of low clouds will go approx 20 miles inland affecting the valleys as well.

Mountains/Deserts . VFR conditions through Sunday evening with some high clouds AOA 15,000 ft MSL.

MARINE. Widespread dense fog will continue through at least late Sunday morning with visibility below 1 nm resulting in hazardous navigation for mariners. More details can be found in the Marine Weather Statement, which is effect through 10 PM for all of the coastal waters.

A long-period (17 to 19 second) WNW swell will generate locally high seas today over southwestern portions of the outer waters, peaking around 9 to 10 ft. In this area, seas of 7 to 8 ft may linger through Wednesday. Elsewhere, seas should peak around 5 or 6 ft today, lowering slightly Sunday and beyond.

Strengthening NW winds Tuesday night into Wednesday may bring gusts to around 20 kts, locally a little higher, to the outer waters.

BEACHES. A longer (17 second) swell from 280 degrees will peak through this afternoon. This will result in high surf of 5-8 feet in San Diego County, and 4-7 feet in Orange County. A few locations in southern San Diego County may sea peak surf of 9 feet. These conditions will improve somewhat on Sunday, but surf up to 7 ft will still be possible. A High Surf Advisory remains in effect through 6 PM Sunday, after which the high surf conditions are expected to subside.

Another shot of WNW swell with period 15-17 seconds could generate some high surf of around 7 feet on Tuesday, primarily in San Diego County.

SKYWARN. Skywarn activation will not be needed this weekend.

SGX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory until 6 PM PST Sunday for Orange County Coastal Areas-San Diego County Coastal Areas.

PZ . NONE.



PUBLIC . Moede AVIATION/MARINE . APR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRJC1 7 mi46 min WSW 6 G 7
46256 8 mi34 min 60°F4 ft
PFXC1 9 mi46 min WNW 4.1 G 4.1
PSXC1 10 mi46 min NW 1.9 G 1.9
46253 11 mi34 min 61°F5 ft
OHBC1 - 9410660 - Los Angeles, CA 11 mi52 min 61°F1018.8 hPa
46222 - San Pedro, CA (092) 15 mi41 min 61°F6 ft
ICAC1 - 9410840 - Santa Monica Pier 31 mi52 min WSW 4.1 G 5.1 57°F 60°F1018.7 hPa
46221 - Santa Monica Bay, CA (028) 32 mi38 min 61°F6 ft
46224 - Oceanside Offshore, CA (045) 48 mi34 min 60°F3 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Los Alamitos Army Airfield, CA6 mi96 minS 410.00 miFair55°F55°F100%1017.9 hPa
Long Beach, Long Beach Airport, CA10 mi41 minN 06.00 miFog/Mist57°F53°F87%1018.3 hPa
John Wayne-Orange County Airport, CA10 mi41 minS 55.00 miMostly Cloudy with Haze58°F52°F81%1018.3 hPa
Fullerton, Fullerton Municipal Airport, CA12 mi41 minS 37.00 miMostly Cloudy57°F52°F83%1018.1 hPa
Torrance, Zamperini Field Airport, CA16 mi47 minN 04.00 miFog/Mist54°F53°F100%1018.6 hPa
Hawthorne, Hawthorne Municipal Airport, CA21 mi41 minWSW 34.00 miFair with Haze58°F52°F81%1018.6 hPa
Los Angeles / USC Campus Downtown, CA24 mi42 minN 03.00 miFair with Haze59°F52°F78%1018.1 hPa
Los Angeles, Los Angeles International Airport, CA24 mi41 minSW 54.00 miPartly Cloudy with Haze58°F53°F84%1018.4 hPa

Link to 5 minute data for KSLI

Wind History from SLI (wind in knots)
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Last 24hrSE3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE3CalmCalm3CalmSW3SW4S5SW6SW6S5S4S4
1 day agoW6CalmCalmCalmCalmCalmNE3NW3NW3CalmCalmW3CalmE3CalmS4SW6SW6S6S8SW8SW7S5S4
2 days agoCalmCalmCalmCalmCalmN3N3N3CalmNE4CalmCalmCalmNW5CalmCalmSW3SW5S6SW7S3S4CalmCalm

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
Click for Map
Sat -- 04:01 AM PST     1.22 feet Low Tide
Sat -- 06:53 AM PST     Sunrise
Sat -- 07:37 AM PST     Moonrise
Sat -- 09:58 AM PST     5.09 feet High Tide
Sat -- 05:16 PM PST     Sunset
Sat -- 05:19 PM PST     -0.51 feet Low Tide
Sat -- 06:11 PM PST     Moonset
Sat -- 11:36 PM PST     3.31 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.12.621.41.21.42.134.14.85.14.84.13.11.90.8-0.1-0.5-0.40.21.122.83.2

Tide / Current Tables for Santa Ana River entrance (inside), California
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Santa Ana River entrance (inside)
Click for Map
Sat -- 04:36 AM PST     0.41 feet Low Tide
Sat -- 06:52 AM PST     Sunrise
Sat -- 07:37 AM PST     Moonrise
Sat -- 09:21 AM PST     3.31 feet High Tide
Sat -- 05:15 PM PST     Sunset
Sat -- 05:54 PM PST     -0.17 feet Low Tide
Sat -- 06:11 PM PST     Moonset
Sat -- 10:59 PM PST     2.15 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.91.51.10.70.40.40.91.82.73.33.332.621.30.70.2-0.1-0.20.10.71.422.2

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 (22,6,7,8)
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Ground Weather Radar Station Santa Ana Mtns, CA
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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.