Friday, September25, 2020
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Marine Weather and Tides
Newport Beach, 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 6:41AMSunset 6:44PM Friday September 25, 2020 5:23 PM PDT (00:23 UTC) Moonrise 3:33PMMoonset 12:42AM 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- 226 Pm Pdt Fri Sep 25 2020
Tonight..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 3 to 4 ft at 9 seconds. Patchy fog.
Sat..Winds variable 10 kt or less, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 12 seconds and S 2 ft at 17 seconds. Patchy fog in the morning.
Sat night..W winds 5 to 10 kt, becoming se after midnight. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 12 seconds and S 2 ft at 17 seconds. Patchy fog after midnight.
Sun..SE winds 5 to 10 kt, becoming W in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 11 seconds and S 2 ft at 17 seconds. Patchy fog in the morning.
Sun night..W winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 ft at 11 seconds and S 2 ft at 17 seconds. Patchy fog after midnight.
Mon..Winds variable 10 kt or less, becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 11 seconds and S 2 ft at 19 seconds. Patchy fog in the morning.
Mon night..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 ft at 11 seconds and S 2 ft at 19 seconds.
Tue..NW winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Wed..NW winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
PZZ600 226 Pm Pdt Fri Sep 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 2 pm pdt, a 1026 mb high pressure center was located about 750 nm west of point conception and a 1006 mb thermal low was centered over southern nevada. Patchy fog, locally dense with visibility under one mile, will continue through the weekend. The lowest visibility and most widely spread conditions will occur in the overnight and morning hours. Gusty northwest winds and large seas will continue across the outer and northern coastal waters into the weekend.


7 Day Forecast for Marine Location Near Newport Beach, CA
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location: 33.59, -117.91     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 252108 CCA AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 200 PM PDT Fri Sep 25 2020

SYNOPSIS. Seasonal temperatures will continue into the weekend with night and morning coastal low clouds and fog. The heat will begin to build in on Sunday with much warmer high temperatures for next week with strong high pressure aloft over the West. Offshore winds will begin to increase Sunday, peaking on Monday in the mountains and foothills. The combination of gusty winds and low humidity will result in critical fire weather conditions on Monday.

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

At 2 PM, skies were mostly clear across SoCal. Temperatures are generally 3 to 8 degrees cooler than they were at this time yesterday. Low clouds will redevelop this evening and overnight, spreading into the western valleys by daybreak as a coastal eddy again develops. Some patchy fog is possible on higher coastal terrain and in the valleys.

An upper level trough will continue to move by to the north today, strengthening onshore flow and spreading cooling inland with only minor differences for temperatures for Saturday. Temperatures will be right around normal for most areas through Saturday, with the exception of the deserts, which will be 4 to 8 degrees above normal.

The big story for the upcoming week is the heat and dry conditions. High pressure will begin to build over the western states on Sunday, bringing a warming trend to the region through much of next week. The greatest warming will occur in the valleys, where temperatures will be 10 to 15 degrees above normal for much of the week. Temperatures in the Inland Empire and in the San Diego valleys will be in the upper 90s to over 100 in some spots, with the warmest days Tuesday through Thursday. Temperatures in the lower deserts have trended cooler, keeping above normal temperatures for that area, but not reaching excessive heat levels.

Offshore flow will begin to develop on Sunday and continue at times through Tuesday. We will at least see periods of weak offshore flow, potentially moderate offshore flow on Monday. There is still some uncertainty in the models on the timing of the strongest offshore flow, but it is looking right now to be strongest on Monday. East winds of 15 to 25 mph, with gusts to 40 mph will occur in the Riverside mountains, San Diego mountains, and the eastern portions of the Inland Empire and the San Diego valleys. Gusty winds, combined with low relative humidity, will result in critical fire weather conditions for those areas. Therefore, a Fire Weather Watch has been issued for late Sunday night through Monday afternoon. Weak to potentially moderate offshore flow could pick up again on Tuesday, but confidence is low at this time.

AVIATION. 252040Z . Coast/Valleys . Patchy low clouds and fog at the beaches this afternoon will begin to spread inland after 02Z Sat but timing is uncertain. Bases will be around 1000 ft with 2-4 miles vis where clouds and terrain intersect. Expect cig restrictions at all coastal TAF sites and possibly vis restrictions at KCRQ. Expect clearing to the coast between 15Z and 17Z Sat.

Mountains/Deserts . Mostly clear with unrestricted vis through Saturday.

MARINE. No hazardous marine conditions are expected through Tuesday.

FIRE WEATHER. Onshore flow will prevail through Saturday. Southwest to west wind gusts less than 35 mph will combine with lowest daytime humidity around 10 percent in the deserts to bring a few hours of elevated fire weather conditions for the deserts onto the desert slopes of the mountains during the afternoons and evenings through Saturday.

Temperatures will begin to warm on Sunday, with weak offshore flow. Lowest humidity in the mountains will fall to around 15 percent with gusty east to northeast winds, with gusts mostly 35 mph or less. This will bring near critical fire weather conditions to the mountains on Sunday.

Strong high pressure aloft along the West Coast will bring much warmer high temperatures with low humidity for inland areas Monday through much of the week. Offshore winds, potentially moderate in strength, will occur on Monday for the Riverside mountains, San Diego mountains, and in the foothills of the valleys. East winds of 15 to 25 mph, with gusts to 40 mph are possible. Gusty winds, combined with low humidity, will result in critical fire weather conditions on Monday. Therefore, a Fire Weather Watch has been issued for those areas from late Sunday night through Monday afternoon. Winds will decrease Monday evening, and could increase again on Tuesday, but the strength of the winds on Tuesday is uncertain at this time.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . Fire Weather Watch from late Sunday night through Monday afternoon for Riverside County Mountains-Including The San Jacinto Ranger District Of The San Bernardino National Forest-San Bernardino and Riverside County Valleys -The Inland Empire-San Diego County Inland Valleys-San Diego County Mountains-Including The Palomar And Descanso Ranger Districts of the Cleveland National Forest-San Gorgonio Pass Near Banning.

PZ . NONE.

PUBLIC/FIRE WEATHER . Connolly AVIATION/MARINE . PG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46253 14 mi28 min 70°F3 ft
46256 17 mi28 min 67°F3 ft
PRJC1 18 mi54 min SW 11 G 12
PFXC1 19 mi54 min SW 9.9 G 11
AGXC1 20 mi108 min WSW 12 G 15
PFDC1 20 mi108 min SSW 6 G 8
BAXC1 21 mi108 min Calm G 2.9
OHBC1 - 9410660 - Los Angeles, CA 21 mi54 min 66°F1013 hPa
PSXC1 21 mi54 min SE 4.1 G 6
46222 - San Pedro, CA (092) 22 mi33 min 68°F4 ft
PXAC1 22 mi102 min N 4.1 G 5.1
46224 - Oceanside Offshore, CA (045) 37 mi28 min 73°F3 ft
46221 - Santa Monica Bay, CA (028) 43 mi61 min 72°F4 ft
ICAC1 - 9410840 - Santa Monica Pier 43 mi54 min WSW 6 G 7 69°F 69°F1013.4 hPa
46268 46 mi54 min 69°F 69°F2 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, CA7 mi31 minSW 710.00 miFair76°F62°F62%1012.5 hPa
Los Alamitos Army Airfield, CA16 mi3.4 hrsW 810.00 miFair75°F60°F61%1014.9 hPa
Fullerton, Fullerton Municipal Airport, CA20 mi31 minS 710.00 miFair80°F60°F51%1012 hPa
Long Beach, Long Beach Airport, CA21 mi31 minS 610.00 miFair75°F63°F66%1012.3 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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Last 24hrSW6SW6S5S4S3S3S3CalmCalmW3NE6CalmCalmSE3CalmCalmCalmCalmS8S7S8S10SW7SW7
1 day agoSW8S7S4SW5S4S3CalmCalmCalmCalmCalmS3CalmCalmCalmSW3SW5SW4S5SW9SW10S12SW9S9
2 days agoSW7SW7SW4S3CalmS3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW4SW65SW6SW6SW7SW8

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California (2)
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Newport Bay Entrance
Click for Map
Fri -- 12:41 AM PDT     Moonset
Fri -- 06:42 AM PDT     Sunrise
Fri -- 07:04 AM PDT     3.99 feet High Tide
Fri -- 11:42 AM PDT     2.91 feet Low Tide
Fri -- 03:32 PM PDT     Moonrise
Fri -- 05:33 PM PDT     5.11 feet High Tide
Fri -- 06:43 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.411.82.63.33.843.93.63.232.93.13.64.24.75.15.14.73.92.91.80.8

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
Click for Map
Fri -- 12:42 AM PDT     Moonset
Fri -- 01:10 AM PDT     0.12 feet Low Tide
Fri -- 06:42 AM PDT     Sunrise
Fri -- 08:06 AM PDT     3.41 feet High Tide
Fri -- 12:55 PM PDT     1.80 feet Low Tide
Fri -- 03:33 PM PDT     Moonrise
Fri -- 06:35 PM PDT     4.38 feet High Tide
Fri -- 06:43 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.10.20.71.42.12.83.23.43.32.92.41.91.822.53.23.84.34.34.13.42.61.7

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
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.