Friday, January17, 2020
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Marine Weather and Tides
Costa Mesa, 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 6:54AMSunset 5:09PM Friday January 17, 2020 5:32 AM PST (13:32 UTC) Moonrise 12:56AMMoonset 12:47PM Illumination 52% Phase: Third Quarter Moon; Moon at 22 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- 308 Am Pst Fri Jan 17 2020
Today..W to nw winds 10 to 15 kt. Local gusts to 20 kt in the morning. Wind waves 1 to 3 ft. W swell 3 to 5 ft at 7 seconds. Patchy dense fog with visibility 1 nm or less in the morning.
Tonight..W winds 10 kt, becoming ne around 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 4 ft at 11 seconds.
Sat..NE winds 10 to 15 kt, becoming W 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 11 seconds.
Sat night..W winds 10 kt, becoming ne 10 to 15 kt after midnight. Wind waves 2 ft or less. W swell 2 ft at 10 seconds.
Sun..From point mugu to santa Monica ne winds 15 to 20 kt in the morning, becoming W 5 to 10 kt in the afternoon. Elsewhere, ne winds 10 to 15 kt in the morning, becoming W 10 kt. Wind waves 1 to 3 ft. W swell 2 to 3 ft at 16 seconds.
Sun night..W winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 3 ft at 15 seconds.
Mon..Winds variable 10 kt or less early, becoming W 5 to 10 kt. Wind waves 2 ft or less. W swell 2 to 3 ft. Slight chance of showers.
Tue..W winds around 10 kt. Wind waves 2 ft or less. W swell 3 to 5 ft. Slight chance of showers.
PZZ600 308 Am Pst Fri Jan 17 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 10z or 2 am pst, a 1000 mb low was centered in idaho, with a cold front extending into southern california. A 1024 mb high was centered about 400 nm west of point conception.


7 Day Forecast for Marine Location Near Costa Mesa, CA
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location: 33.63, -117.96     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 171159 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 355 AM PST Fri Jan 17 2020

SYNOPSIS. Showers will end from north to south this morning as a cold front moves across the region. The weather will be dry and warmer this weekend as high pressure builds over the Southwest. A weak Pacific trough will bring minor cooling early next week.

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

Light precipitation ahead of a surface cold front is moving southeast across the region this morning. Snow was falling above 5,000 feet where 1" of snow has accumulated in a few areas. Chain control was in effect early this morning in the San Bernardino Mountains. The Winter Weather Advisory was extended to 8 AM for lingering light snow showers that will end shortly after sunrise.

Rain totals were highest in the San Bernardino County mountains below 5,000 feet with 0.71" at Panorama Point and 0.70" at Glen Helen Region Park through 330 AM. Rain amounts elsewhere ranged from 0.30"-0.50" in the Santa Ana Mountains and foothills, to 0.05"-0.30" in coastal and valley sections of Orange County and in the Inland Empire. Farther south in San Diego County the amounts were less than 0.20". Rain will end from north to south this morning, lingering longest in San Diego County. A rainfall summary is headlined on our homepage.

High pressure building in behind the departing trough this afternoon will bring dry and warmer weather this weekend. Sunday will be the warmest day with highs in the 70s west of the mountains and in the lower deserts, and in the 50s and 60s in the mountains and high deserts.

The high weakens and moves inland Monday as a weaker Pacific trough moves in from the northwest for minor cooling and some increase in clouds. Ensembles continue to advertise this as a weak system with limited moisture and dynamics. This is followed by weak ridging aloft for dry weather and seasonal temperatures Wednesday and Thursday.

AVIATION. 171100Z . A front moving across the region this morning is creating ceilings of 500-3500 ft MSL and -RA with VIS as low as 1-2 SM, mainly over and west of the mountains. Conditions will improve by late morning. West/southwest wind gusts of 30-40 kts will continue this morning along mountain ridgetops and desert mountain slopes. Strong up/downdrafts possible lee side of mountains, with conditions improving by mid-morning.

MARINE. Light showers will continue over portions of the waters this morning. Otherwise, no hazardous marine weather is expected through Tuesday.

SKYWARN. Skywarn activation is not requested. However weather spotters are encouraged to report rain and snow totals from today's weather system.

SGX WATCHES/WARNINGS/ADVISORIES. CA . Winter Weather Advisory until 8 AM PST this morning for San Bernardino County Mountains.

PZ . NONE.

PUBLIC . Moede AVIATION/MARINE . JJT


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46253 12 mi33 min 61°F3 ft
46256 14 mi33 min 59°F3 ft
PRJC1 14 mi63 min NNE 2.9 G 5.1
AGXC1 16 mi63 min NNW 4.1 G 5.1
PFXC1 16 mi63 min Calm G 1.9
PFDC1 17 mi63 min NW 2.9 G 2.9
PSXC1 17 mi63 min NW 1.9 G 2.9
BAXC1 18 mi63 min N 1.9 G 1.9
OHBC1 - 9410660 - Los Angeles, CA 18 mi51 min 61°F1021 hPa
46222 - San Pedro, CA (092) 19 mi40 min 60°F3 ft
PXAC1 19 mi69 min NW 2.9 G 4.1
46221 - Santa Monica Bay, CA (028) 39 mi37 min 59°F4 ft
ICAC1 - 9410840 - Santa Monica Pier 39 mi45 min 1021.1 hPa
46224 - Oceanside Offshore, CA (045) 41 mi33 min 60°F3 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 mi40 minENE 310.00 miFair53°F48°F86%1020.4 hPa
Los Alamitos Army Airfield, CA12 mi95 minNNE 410.00 miFair48°F48°F100%1020.6 hPa
Fullerton, Fullerton Municipal Airport, CA17 mi40 minE 410.00 miFair50°F46°F89%1020.2 hPa
Long Beach, Long Beach Airport, CA17 mi40 minN 09.00 miFair49°F48°F97%1020.5 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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Last 24hrE4SE3E55E4NE3SW8SW6S8SW7SW8SW5SW4S7S5SE53S6SE3SE5E7Calm4E3
1 day agoCalmN4N3CalmCalmNW34S3S9SW6W5SW3SW3CalmCalmCalmCalmCalmCalmCalmCalmCalmNE4E3
2 days agoCalmCalmCalmCalmCalm3SW3W3W4SW7SW5SW3CalmCalmCalmCalmNE4CalmCalmCalmCalmNE3NE3NE3

Tide / Current Tables for Santa Ana River entrance (inside), California
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Santa Ana River entrance (inside)
Click for Map
Fri -- 03:18 AM PST     2.67 feet High Tide
Fri -- 05:00 AM PST     Last Quarter
Fri -- 06:55 AM PST     Sunrise
Fri -- 11:22 AM PST     0.30 feet Low Tide
Fri -- 11:46 AM PST     Moonset
Fri -- 03:33 PM PST     1.85 feet High Tide
Fri -- 05:08 PM PST     Sunset
Fri -- 10:43 PM PST     0.26 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11.72.32.62.62.421.61.10.70.50.30.40.81.41.81.81.71.51.10.80.50.30.3

Tide / Current Tables for Los Patos (highway bridge), California
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Los Patos (highway bridge)
Click for Map
Fri -- 03:55 AM PST     4.10 feet High Tide
Fri -- 05:00 AM PST     Last Quarter
Fri -- 06:56 AM PST     Sunrise
Fri -- 10:47 AM PST     0.91 feet Low Tide
Fri -- 11:47 AM PST     Moonset
Fri -- 04:10 PM PST     2.85 feet High Tide
Fri -- 05:08 PM PST     Sunset
Fri -- 10:08 PM PST     0.77 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.82.73.43.94.13.93.42.721.410.91.21.62.22.62.82.82.41.91.410.80.9

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 (8,2,3,4)
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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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Disclaimer:
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.