Friday, January24, 2020
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Marine Weather and Tides
Irvine, 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 5:15PM Friday January 24, 2020 6:55 PM PST (02:55 UTC) Moonrise 7:54AMMoonset 6:12PM 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- 440 Pm Pst Fri Jan 24 2020 Updated
Tonight..W winds 5 to 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 3 ft at 19 seconds, building to 4 to 5 ft at 19 seconds after midnight. Areas of dense fog with visibility 1 nm or less, mainly southern portions.
Sat..Winds variable 10 kt or less, becoming S 10 kt in the afternoon. Wind waves 2 ft or less. W swell 4 to 5 ft at 17 seconds. Patchy dense fog with visibility 1 nm or less in the morning.
Sat night..Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 3 ft at 15 seconds. Patchy fog after midnight.
Sun..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 3 to 4 ft at 15 seconds. Patchy fog in the morning.
Sun night..W winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 4 to 5 ft at 13 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 4 to 5 ft at 16 seconds.
Mon night..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 4 to 6 ft at 16 seconds.
Tue..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 4 to 5 ft.
Wed..NW winds 15 to 25 kt with gusts to 30 kt. Combined seas 4 to 6 ft.
PZZ600 219 Pm Pst Fri Jan 24 2020
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 1024 mb surface high was centered around 700 nm southwest of point conception, while a 1014 mb thermal low was over southeast california. Gusty northwest winds and hazardous seas will likely impact the outer waters through the forecast period.


7 Day Forecast for Marine Location Near Irvine, CA
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location: 33.71, -117.76     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 242152 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 152 PM PST Fri Jan 24 2020

SYNOPSIS. High pressure aloft near the West Coast will continue warm and dry weather through Saturday with a coastal eddy bringing an increase in coastal low clouds and fog into Sunday. A trough of low pressure moving inland along the West Coast will bring cooling on Sunday with gusty winds in the mountains and deserts. Subtropical high pressure will expand into California early next week with high temperatures warming to near average. High pressure will strengthen late in the week bringing greater warming on Thursday and Friday, with breezy offshore winds possible mid-next week for inland areas.

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

At 1 PM, visible satellite imagery displayed low clouds and fog over the coastal waters and portions of immediate coast. Surface observations showed visibility of 1/2 mile for some beaches where low clouds lingered this afternoon. Dense fog is possible along the coast again tonight, however high-resolution models have low confidence on it being widespread at this time. Upper-level ridging to our east will continue above normal high temperatures across the region through Saturday, with most areas about 5 degrees above seasonal normals. The higher upper-level heights will also maintain a shallow marine layer, with low clouds developing over the coastal waters and along the immediate coast at night into Sunday.

Cooler weather will arrive Sunday as an upper-level trough swings by to the north. This will create a deeper marine layer with low clouds developing further inland Sunday morning, near normal highs along the coast to just above normal highs in the mountains and deserts, and westerly wind gusts of 25-35 mph across the mountains and deserts. Winds will quickly shift offshore after the trough passage, with northerly wind gusts of 25-35 mph expected along coastal mountain slopes of the San Bernardino County Mountains Monday morning.

Model ensemble solutions are in good agreement with a subtropical high pressure over the Eastern Pacific extending into California early to mid-next week, then strengthening Thursday and Friday. This will create a warming trend throughout the week, with high temperatures 5 to locally 10 degrees above normal by Thursday and little to no marine layer clouds. Offshore winds will continue for inland areas most of next week, with possibly gusty winds along coastal mountain slopes, through passes and into adjacent valleys Wednesday and Thursday. North to northeasterly wind gusts of 40 to 50 mph are expected at this time, with afternoon relative humidity between 20-30 percent for inland areas.

AVIATION. 242045Z . Coast . Patchy low clouds and fog are sticking around the immediate coast at this hour, and will likely continue throughout the afternoon. Otherwise, SCT-BKN high clouds at/above 20,000 ft MSL through this afternoon. More widespread low clouds and fog should return after 02Z, with bases of 300-800 ft MSL, spreading up to 5 miles inland overnight. Visibility will be reduced down to 2-4 miles, with lower visibility possible on higher coastal terrain. Low clouds and fog will scatter out by 17Z Saturday.

Valleys/Mountains/Deserts . SCT-BKN high clouds at/above 20,000 feet through Saturday.

MARINE. A long-period WNW swell will generate locally high seas on Saturday over extreme southern portions of the outer waters, south of San Clemente Island. Seas will peak between 7 and 10 feet, with peaks of 5 to 7 feet over the remainder of the coastal waters.

Tranquil conditions Sunday and Monday. Slight increase in NW winds late Tuesday, though at this time peak gusts appear to stay at or below 20 kts.

BEACHES. Medium (13 second) period WNW swell today will be replaced by a longer (16-18 second) swell from the same direction (~285 degrees) on Saturday. This will result in a transition from elevated surf Friday to high surf conditions on Saturday, most widespread in San Diego County. Surf of 5-7 ft is likely in Orange County, with 5-8 ft in San Diego County. A High Surf Advisory is in effect for all area beaches Friday night through Sunday afternoon, when high surf conditions should recede.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory from 10 PM this evening to 6 PM PST Sunday for Orange County Coastal Areas-San Diego County Coastal Areas.

PZ . NONE.

PUBLIC . JJT AVIATION/MARINE/BEACHES . Connolly


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46256 23 mi55 min 60°F2 ft
PRJC1 23 mi67 min SSW 4.1 G 6
46253 24 mi55 min 61°F2 ft
PFXC1 24 mi67 min SSW 5.1 G 6
PSXC1 25 mi67 min S 4.1 G 6
AGXC1 26 mi67 min SSW 7 G 8
BAXC1 26 mi67 min SE 2.9 G 4.1
PFDC1 26 mi73 min SSE 5.1 G 6
OHBC1 - 9410660 - Los Angeles, CA 27 mi55 min 61°F1015.1 hPa (+0.3)
PXAC1 27 mi67 min SE 2.9 G 4.1
46222 - San Pedro, CA (092) 30 mi32 min 61°F3 ft
46224 - Oceanside Offshore, CA (045) 40 mi55 min 60°F3 ft
ICAC1 - 9410840 - Santa Monica Pier 44 mi55 min 60°F 60°F1014.9 hPa (-0.0)
46221 - Santa Monica Bay, CA (028) 47 mi29 min 62°F4 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 mi62 minSW 64.00 miFog/Mist59°F53°F81%1014.5 hPa
Corona Airport, CA15 mi59 minW 710.00 miFair63°F50°F63%1014.2 hPa
Fullerton, Fullerton Municipal Airport, CA16 mi62 minSSW 45.00 miPartly Cloudy with Haze58°F53°F84%1014.4 hPa
Los Alamitos Army Airfield, CA16 mi2 hrsSSW 74.00 miFog/Mist56°F55°F100%1014.5 hPa
Chino, Chino Airport, CA19 mi62 minWNW 510.00 miPartly Cloudy58°F46°F67%1014.5 hPa
Long Beach, Long Beach Airport, CA22 mi62 minS 51.75 miFog/Mist56°F54°F93%1014.6 hPa
Riverside Municipal Airport, CA23 mi62 minW 710.00 miMostly Cloudy65°F44°F47%1013.3 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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Last 24hrCalmSE3CalmCalmCalmCalmCalmCalmNW3CalmCalmNE3CalmCalmSE3S3S5S7S7SW5S10S8SW7SW6
1 day agoCalmCalmCalmCalm3CalmNE3NE4CalmCalmCalmCalmCalmW3S3CalmCalmSW4SW7SW7W6W3S4SW3
2 days agoSW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE3CalmE4CalmCalmS4SW7CalmSW9S6SW4SW5SW4

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California
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Newport Bay Entrance
Click for Map
Fri -- 02:11 AM PST     2.01 feet Low Tide
Fri -- 06:52 AM PST     Sunrise
Fri -- 06:54 AM PST     Moonrise
Fri -- 08:22 AM PST     6.13 feet High Tide
Fri -- 01:44 PM PST     New Moon
Fri -- 03:33 PM PST     -1.06 feet Low Tide
Fri -- 05:13 PM PST     Moonset
Fri -- 05:14 PM PST     Sunset
Fri -- 10:00 PM PST     3.91 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.82.322.22.73.64.75.66.165.342.51-0.3-1-1-0.40.61.82.93.73.93.7

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California (2)
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Newport Bay Entrance
Click for Map
Fri -- 02:12 AM PST     2.00 feet Low Tide
Fri -- 06:52 AM PST     Sunrise
Fri -- 06:54 AM PST     Moonrise
Fri -- 08:21 AM PST     6.10 feet High Tide
Fri -- 01:44 PM PST     New Moon
Fri -- 03:34 PM PST     -0.99 feet Low Tide
Fri -- 05:13 PM PST     Moonset
Fri -- 05:14 PM PST     Sunset
Fri -- 10:03 PM PST     3.86 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.82.322.12.73.64.75.66.165.342.51-0.2-0.9-0.9-0.40.61.82.93.63.93.7

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 (21,6,7,8)
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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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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.