Thursday, January23, 2020
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Marine Weather and Tides
Valley Center, 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 6:47AMSunset 5:12PM Thursday January 23, 2020 2:39 AM PST (10:39 UTC) Moonrise 7:01AMMoonset 5:13PM Illumination 3% Phase: Waning Crescent; Moon at 28 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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PZZ750 Coastal Waters From San Mateo Point To The Mexican Border And Out To 30 Nm- 202 Am Pst Thu Jan 23 2020
Today..Wind variable less than 10 kt...becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 4 ft at 13 seconds.
Tonight..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft at 12 seconds.
Fri..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft at 12 seconds.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 5 ft at 13 seconds.
Sat..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 6 ft at 16 seconds.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 6 ft.
Sun..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 5 ft.
Sun night..Wind nw 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft.
Mon..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 5 ft.
Mon night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 5 ft.
PZZ700 202 Am Pst Thu Jan 23 2020
Synopsis for the far southern california coast.. At 2 am neutral flow was observed over the coastal waters. Weak onshore flow and light winds will continue through Saturday. A coastal eddy is expected Saturday. Onshore flow will increase Sunday before turning weakly offshore Monday.


7 Day Forecast for Marine Location Near Valley Center, CA
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location: 33.17, -117     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 230451 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 851 PM PST Wed Jan 22 2020

SYNOPSIS. High pressure will continue to build over Southern California through Saturday. Mostly clear skies and warmer than normal temperatures can be expected during this time. On Sunday, a weak system coming in off the Pacific will bring cooler and cloudier weather, as well as a chance of light precipitation through Monday. Warm and dry weather will return on Tuesday as high pressure begins to rebuild.

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

Update:

Mostly clear skies are expected for the rest of this evening into Thursday morning. Weak offshore flow is prevailing across the forecast area. At 8 PM, the pressure gradient from San Diego to Tonopah, NV was -3.9 mb. The offshore flow will likely prevent the formation of low clouds and fog along the coast tonight. High temperatures tomorrow will be about 5 degrees above normal, with temperatures expected to continue to rise through Saturday. The only change made to the forecast this evening was to remove the areas of patchy fog along the coast.

From previous discussion:

The warming trend will continue through Saturday, with Saturday being the warmest day of the week. There could be an increase in high clouds throughout the weekend ahead of a weak Pacific trough.

This weak trough will move inland Sunday and Monday, bringing cooling and a chance for light precipitation. Models and their ensembles are trending weaker with this system, so confidence is fairly high that the region will only see light precipitation. Any precipitation that does fall will be light and not impactful.

Deterministic and ensemble solutions are in good agreement on an even stronger ridge building in from the west on Tuesday, bringing dry weather and a greater warming trend for next week.

AVIATION. 230445Z . Mostly clear skies and unrestricted vis will prevail through Thu evening. Local E/NE surface winds 15-25 knots with gusts to 35 knots will occur along mountain crests and through passes through 22Z Thu.

MARINE. 8-10 ft swells from 290 degrees at 16 seconds will develop south of San Clemente Island this weekend. Otherwise, no hazardous marine conditions are expected through Monday.

BEACHES. The WNW swell from 290 degrees with a 15 second period will gradually diminish through Thursday. A few sets around 6 feet could occur through early Thursday in southern San Diego County and northern Orange County, and strong rip currents and hazardous swimming conditions will continue in those locations through Thursday.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . NONE.

PUBLIC . CO/Gregoria/Connolly AVIATION/MARINE/BEACHES . Maxwell


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46266 21 mi40 min 53°F 60°F4 ft
46224 - Oceanside Offshore, CA (045) 25 mi40 min 60°F3 ft
46254 25 mi42 min 56°F 60°F3 ft
LJAC1 - 9410230 - La Jolla, CA 25 mi58 min ENE 2.9 G 8 55°F 60°F1019.3 hPa
LJPC1 - La Jolla, CA (073) 25 mi80 min ENE 6 G 12 4 ft
46225 - Torrey Pines Outer, CA (100) 26 mi40 min 57°F5 ft
SDBC1 - 9410170 - San Diego, CA 33 mi58 min 60°F1019.8 hPa
46258 39 mi40 min 60°F6 ft
46235 42 mi40 min 60°F5 ft
TIXC1 - Tijuana River Reserve, CA 42 mi115 min ENE 1 50°F 1021 hPa48°F

Wind History for La Jolla, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ramona, Ramona Airport, CA10 mi47 minN 03.00 miFog/Mist36°F36°F100%1020 hPa
Carlsbad, McClellan-Palomar Airport, CA15 mi47 minNE 59.00 miFair52°F50°F93%1019.3 hPa
Oceanside, Oceanside Municipal Airport, CA19 mi48 minNE 45.00 miFog/Mist46°F44°F93%1019.8 hPa
Oceanside, Camp Pendleton, Marine Corps Air Station, CA21 mi45 minN 08.00 miFair43°F39°F86%1020.1 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA22 mi1.7 hrsENE 78.00 miFair49°F44°F83%1019.6 hPa
San Diego, Montgomery Field, CA24 mi47 minNNE 510.00 miFair52°F48°F86%1019.4 hPa
Gillespie Field Airport, CA24 mi45 minNW 310.00 miFair45°F44°F100%1020 hPa

Link to 5 minute data for KRNM

Wind History from RNM (wind in knots)
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Last 24hrCalmNE3CalmCalmCalmCalmCalmW4W5W8W8NW7W5W8W7NW5CalmCalmSE3CalmCalmCalmSE3Calm
1 day agoSE4SE3CalmE3E3SE3CalmCalmW43CalmW8W9W5W5CalmW4W5CalmCalmCalmCalmCalmCalm
2 days agoCalmSE3CalmE4CalmCalmCalmNW7CalmE6E8W6W11NW6W3CalmCalmCalmCalmCalmCalmSW7E3E3

Tide / Current Tables for La Jolla, Scripps Pier, California (3)
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La Jolla
Click for Map
Thu -- 01:41 AM PST     1.82 feet Low Tide
Thu -- 06:01 AM PST     Moonrise
Thu -- 06:49 AM PST     Sunrise
Thu -- 07:57 AM PST     6.31 feet High Tide
Thu -- 03:02 PM PST     -1.23 feet Low Tide
Thu -- 04:15 PM PST     Moonset
Thu -- 05:12 PM PST     Sunset
Thu -- 09:34 PM PST     3.97 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.41.91.82.23.14.15.266.35.94.93.41.70.2-0.8-1.2-0.9-0.11.12.43.33.93.93.5

Tide / Current Tables for La Jolla, Scripps Pier, California
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La Jolla
Click for Map
Thu -- 01:26 AM PST     2.06 feet Low Tide
Thu -- 06:01 AM PST     Moonrise
Thu -- 06:49 AM PST     Sunrise
Thu -- 07:38 AM PST     6.16 feet High Tide
Thu -- 02:53 PM PST     -1.10 feet Low Tide
Thu -- 04:15 PM PST     Moonset
Thu -- 05:12 PM PST     Sunset
Thu -- 09:25 PM PST     3.84 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.42.12.12.63.44.55.466.15.64.531.40-0.8-1.1-0.70.21.32.53.43.83.83.4

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 (5,6,7,8)
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Ground Weather Radar Station San Diego, 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.