Thursday, April9, 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 6:25AMSunset 7:19PM Thursday April 9, 2020 4:17 PM PDT (23:17 UTC) Moonrise 9:31PMMoonset 7:47AM Illumination 96% Phase: Waning Gibbous; Moon at 17 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- 231 Pm Pdt Thu Apr 9 2020
Tonight..SE winds 10 to 20 kt, becoming E after midnight. Wind waves 2 to 3 ft. S swell 3 ft at 15 seconds. Rain. Slight chance of tstms after midnight.
Fri..NE winds 10 to 20 kt, becoming N 10 to 15 kt in the afternoon. Wind waves 2 to 3 ft. S swell 3 ft at 14 seconds. Rain likely in the morning. Slight chance of tstms. Chance of showers in the afternoon.
Fri night..W winds 10 to 15 kt, becoming nw 5 to 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 2 ft at 7 seconds and S 3 ft at 14 seconds. Slight chance of showers in the evening. Patchy fog after midnight.
Sat..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 6 seconds and S 2 ft at 13 seconds.
Sat night..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and S 2 ft at 13 seconds.
Sun..SW winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 7 seconds and S 2 ft at 13 seconds.
Sun night..W winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 to 3 ft at 8 seconds.
Mon..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Tue..W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
PZZ600 231 Pm Pdt Thu Apr 9 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 21z, or 2 pm pdt, a 1015 mb low pressure was centered 100 nm W of Monterey. This low will slowly move into los angeles by Friday morning, then into southeast california by Saturday. There is small chance for Thunderstorms south of point conception later tonight and Friday.


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 092046 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA Issued by National Weather Service San Francisco CA 146 PM PDT Thu Apr 9 2020

SYNOPSIS. A low pressure system will continue to impact southern California through Friday, then move more rapidly eastward and weaken by Friday night into Saturday. Periods of showers and high elevation snow showers will continue into Friday, ending Friday night. Saturday through Monday will be warmer and drier, but with high temperatures remaining below average. Then warmer and drier conditions return by the middle of next week.

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

A mid/upper level low pressure system remains parked over south- central California and southern Nevada this afternoon with widespread rain showers and higher elevation snow showers occurring, especially to the north of the San Diego area. The center of the low will retrograde back over the Pacific by Friday morning and continue to produce widespread precipitation over the region through tonight while becoming more widespread. With PWAT values near 1.00" advecting inland over the region, precipitation will be moderate to locally heavy at times. Additionally, snow levels will remain between 5,500 to 6,000 feet through Friday afternoon with accumulating snowfall in the mountains of San Bernardino and Riverside Counties where a Winter Storm Warning remains in effect through 8 PM Friday. As the core of the low moves back over southern California, there will be a slight chance of thunderstorms Friday afternoon given the colder, unstable air mass aloft.

Precipitation will begin to taper off late in the day Friday as the upper level low moves east into Arizona. Afternoon temperatures will warm slightly Friday into the upcoming weekend as southerly flow returns, yet will remain below seasonal averages in response to troughing over the West Coast. Warmer and drier conditions are then likely by Tuesday and Wednesday of next week as the exiting trough is replaced by high pressure building over the eastern Pacific.

AVIATION. 091630Z . Coast/Valleys/Mountains . SCT SHRA will continue this morning, increasing and becoming more widespread this afternoon and evening. SCT-BKN Cigs lowering to around 1700 ft MSL with VSBYS 2-5SM possible with passing showers. Otherwise SCT-BKN cigs will generally remains around 2500-5000 ft MSL. Higher terrain will be obscured at times, and SHSN will fall above 4500 feet MSL.

Deserts . Mostly BKN clouds will prevail in the 5000-10000-foot MSL layer through midday, increasing in the afternoon and possibly lowering to 3000 feet MSL tonight. Mostly ISOLD -SHRA will occur through midday, with some increase this afternoon and evening. Vis could lower to 3-5SM in heavier SHRA.

MARINE. There is a slight chance of thunderstorms Friday afternoon. Otherwise, no hazardous marine weather is expected through Sunday.

BEACHES. There is a slight chance of thunderstorms producing lightning strikes Friday afternoon.

HYDROLOGY. Through Friday, additional rainfall is expected to range from around 1.50 inch near the coast to 1.50 to 2.50 inches in the mountains with 0.50 to 0.75" inch for high desert areas and around 0.25 to 0.50 for low desert areas.

The potential for urban and small stream flooding will increase this evening and into early Friday along with the possibility of isolated flash flooding with thunderstorms or where showers track repeatedly across the same area.

Snow levels will be near 5000 to 5500 feet for tonight into Friday morning and gradually rise late Friday night. In the mountains of San Bernardino and Riverside Counties, additional snowfall of 2 to 5 inches is expected from 4500 to 5500 feet, 6 to 8 inches from 5500 to 6500 feet, 8 to 20 inches from 6500 to 7500 feet, with total accumulations of greater than 24 inches on the highest peaks. In San Diego County, 1 to 3 inches is possible above 5500 feet with 1 to 2 inches down to 5000 feet.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . Flash Flood Watch through Friday afternoon for Apple and Lucerne Valleys-Coachella Valley-Orange County Coastal Areas-Orange County Inland Areas-Riverside County Mountains-San Bernardino County Mountains-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Coastal Areas-San Diego County Deserts-San Diego County Mountains- San Diego County Valleys-San Gorgonio Pass Near Banning- Santa Ana Mountains and Foothills.

Winter Storm Warning until 8 PM PDT Friday for Riverside County Mountains-San Bernardino County Mountains.

PZ . NONE.

PUBLIC . 99 AVIATION/MARINE/BEACHES . 99


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46256 23 mi108 min 61°F4 ft
PRJC1 23 mi108 min WSW 5.1 G 6
46253 24 mi110 min 59°F3 ft
PFXC1 24 mi108 min SSW 5.1 G 7
PSXC1 25 mi108 min S 4.1 G 5.1
AGXC1 26 mi162 min SE 2.9 G 2.9
BAXC1 26 mi162 min ESE 5.1 G 6
PFDC1 26 mi162 min SE 4.1 G 4.1
OHBC1 - 9410660 - Los Angeles, CA 27 mi108 min 62°F1019.6 hPa
PXAC1 27 mi162 min SSE 2.9 G 2.9
46222 - San Pedro, CA (092) 30 mi85 min 60°F2 ft
46224 - Oceanside Offshore, CA (045) 40 mi108 min 60°F4 ft
ICAC1 - 9410840 - Santa Monica Pier 44 mi108 min ENE 8.9 G 12 54°F 60°F1019.2 hPa
46221 - Santa Monica Bay, CA (028) 47 mi82 min 59°F4 ft

Wind History for Los Angeles Pier J, CA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
John Wayne-Orange County Airport, CA6 mi25 minESE 45.00 miLight Rain Fog/Mist58°F51°F78%1018.5 hPa
Corona Airport, CA15 mi22 minNE 410.00 miLight Rain52°F50°F93%1018.8 hPa
Fullerton, Fullerton Municipal Airport, CA16 mi25 minESE 44.00 miRain55°F50°F83%1018.4 hPa
Los Alamitos Army Airfield, CA16 mi80 minESE 77.00 miLight Rain55°F51°F88%1018.9 hPa
Chino, Chino Airport, CA19 mi25 minN 46.00 miLight Rain55°F48°F80%1018.8 hPa
Long Beach, Long Beach Airport, CA22 mi25 minS 31.50 miHeavy Rain Fog/Mist53°F50°F89%1018.6 hPa
Riverside Municipal Airport, CA23 mi25 minN 35.00 miRain Fog/Mist52°F48°F86%1017.7 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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Last 24hrSW15
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SW8S7S7SE6E5NE4SE6E4E5E7E8E7E7E8E6E9E8E9E9E7SE6SE4SE4
1 day agoNE4SE11
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W7N5CalmCalmCalmE4E5CalmNE3CalmCalmCalmSE4CalmW4SW8SW8SW9
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2 days agoS5SW5SW4CalmCalmE5E5E4CalmCalmNE3E3CalmCalmCalmN3N4N3CalmCalmCalmE5SE3NE5

Tide / Current Tables for Newport Beach, Newport Bay Entrance, Corona del Mar, California (sub)
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Balboa Pier, Newport Beach, California
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Balboa Pier
Click for Map
Thu -- 04:58 AM PDT     -0.83 feet Low Tide
Thu -- 06:27 AM PDT     Sunrise
Thu -- 07:47 AM PDT     Moonset
Thu -- 11:02 AM PDT     4.59 feet High Tide
Thu -- 04:50 PM PDT     0.59 feet Low Tide
Thu -- 07:18 PM PDT     Sunset
Thu -- 09:31 PM PDT     Moonrise
Thu -- 10:54 PM PDT     5.79 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.83.41.90.5-0.5-0.8-0.40.61.93.34.24.64.33.62.51.50.80.6123.34.65.55.8

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 (19,4,5,8)
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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.