Sunday, December15, 2019
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Marine Weather and Tides
San Diego, CA

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:42AMSunset 4:45PM Sunday December 15, 2019 12:25 PM PST (20:25 UTC) Moonrise 9:30PMMoonset 10:53AM Illumination 83% Phase: Waning Gibbous; Moon at 19 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- 210 Am Pst Sun Dec 15 2019
.small craft advisory in effect through this afternoon...
Today..Wind nw 10 to 20 kt. Wind waves 4 ft. SWell W 5 to 7 ft at 9 seconds.
Tonight..Wind N 10 to 15 kt...becoming E after midnight. Gusts to 20 kt. Wind waves 2 ft or less. SWell W 4 to 6 ft at 9 seconds.
Mon..Wind E 10 to 15 kt...becoming nw in the afternoon. Wind waves 2 ft or less. SWell W 3 to 5 ft at 14 seconds.
Mon night..Wind E 10 to 15 kt with gusts to 20 kt. Wind waves 3 ft. SWell W 2 to 3 ft at 13 seconds.
Tue..Wind E 10 to 15 kt...becoming W in the afternoon. Gusts to 20 kt. Wind waves 3 ft in the morning... Becoming 2 ft or less. SWell W 2 to 3 ft at 12 seconds.
Tue night..Wind E 10 to 15 kt. Gusts to 20 kt in the evening. Wind waves 3 ft in the evening...becoming 2 ft or less. SWell W 1 to 2 ft.
Wed..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 1 to 3 ft.
Wed night..Wind nw 10 kt with gusts to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft.
Thu..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 4 ft.
Thu night..Wind N 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft.
PZZ700 210 Am Pst Sun Dec 15 2019
Synopsis for the far southern california coast..At 1 am, a 1003 mb low was northwest of las vegas and a 1019 mb high was over the central valley. Northwest winds gusting 25 to 30 kts will continue through this morning, weakening this afternoon. A small craft advisory remains in effect for all of the coastal waters. Combined seas of 8 to 12 ft will continue through today. Onshore flow will become light Monday and Tuesday with brief offshore winds near the coast Tuesday morning. Northwest winds will strengthen again Wednesday night into Thursday.


7 Day Forecast for Marine Location Near San Diego, CA
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location: 32.78, -117.23     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 151652 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 850 AM PST Sun Dec 15 2019

SYNOPSIS. High pressure building over the Great Basin tonight will bring mostly clear skies Monday and Tuesday along with gusty offshore winds to the mountains, foothills and valleys. It will be dry and warm in the coastal zones, but cooler than average in the mountain and desert areas. A weak trough on Wednesday will bring scattered clouds and onshore flow. This will be followed by another high pressure system for clear, warm days Thursday through Saturday. A Pacific storm will bring a chance for precipitation early next week.

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

It rained last night, but it was spotty and mostly confined to the mountains and valleys. The highest total was 0.20" at Paivika Ridge in the San Bernardino Mountains. Coastal areas of Orange and San Diego County had only a few passing showers, and the deserts didn't see any rain at all. A summary is headlined on our homepage. Skies had cleared from the coastal and valley zones, and the lingering clouds over the San Diego County mountains will gradually clear this afternoon.

The trough also brought strong winds to the mountains with a gust to 64 mph at Volcan Mountain and 63 mph at Harrison Park. Winds were also strong over the coastal waters where the San Clemente Basin Buoy recorded a gust of 33 kts at 7AM. As the trough axis passes today, the surface pressure gradients weaken and the winds will slowly diminish.

On Monday a strong 1040 mb high builds over the Great Basin which will bring dry offshore flow through Tuesday. The northeast winds will draw colder air into SoCal, and mountain highs will be held in the 40s, the high deserts will be held in the 50s and the low deserts will be in the 60s. In contrast, the warm downslope flow west of the mountains will push highs into the low 70s in the coastal zones. This Santa Ana pattern will also bring gusty east to northeast winds from 15 to 30 mph to the mountains, foothills and inland valleys, with gusts to 50 mph.

On Wednesday, a Pacific trough makes landfall over central California. This system is trending weaker, and the chances for precipitation have been taken out of the forecast here in SoCal. It will bring back onshore flow, a brief marine layer influence in the coastal and valleys zones, and breezy west winds in the mountains and deserts.

Thursday through Tuesday: Another ridge of high pressure builds over the Southwest for more warm, dry weather Thursday through Saturday. The ridge moves east Sunday and a large longwave trough over the EastPac will move toward the coast. Onshore flow will bring cooling along with increasing clouds Sunday and Monday. Small chance for rains have been added to Sunday, but models show precip more likely on Monday and Tuesday.

AVIATION. 151500Z . Coast/Valleys . SCT to locally BKN clouds with bases 2000- 4000 ft and tops to 5000 ft will continue to rapidly diminish in coverage through the morning, with mostly clear skies prevailing in the afternoon. VFR conditions will remain in place through Monday afternoon with no CIGS or VIS restrictions anticipated at coastal terminals.

Mountains/Deserts . SCT-BKN clouds with bases 2000-4000 FT MSL will continue into the afternoon, decreasing in coverage tonight. These may obscure west-facing coastal slopes with local VIS restrictions to 3 SM at times. A few more hours of locally gusty west winds in the mountains, with LLWS and MOD UDDFTS possible. Winds will weaken by the afternoon. VFR conditions with generally light northeasterly winds will prevail tonight into Monday.

MARINE. Early this morning, the San Clemente Island Buoy reported combined seas of 10 to 12 ft with a period of 9-10 seconds. Wind gusts ranged between 27 and 33 kts. West-northwest swell with period 8-10 seconds will continue to generate combined seas near 10 ft into early afternoon. Winds have already peaked, and will gradually subside as we head into the afternoon hours. Nonetheless, gusts above 20 kts are likely until then, strongest over the Outer Waters. No changes to the Small Craft Advisory are anticipated at this time. Conditions will improve this evening.

Beyond today, expect winds to shift to an offshore direction Monday through Wednesday, with occasional gusts near 20 kts possible. Otherwise, no hazardous marine conditions are expected through Thursday.

BEACHES. At 7 AM, surf of 8 FT was reported at Mission Beach, suggesting high surf continues along the coast, especially in San Diego County. Surf will progressively diminish through the morning and into the afternoon, and is expected to fall below 7 FT by evening. The High Surf Advisory remains in place, and is due to expire at 4 PM this afternoon.

SKYWARN. Skywarn activation is not requested.

SGX WATCHES/WARNINGS/ADVISORIES. CA . Wind Advisory until 10 AM PST today for Apple and Lucerne Valleys-Coachella Valley-Riverside County Mountains-San Bernardino County Mountains-San Diego County Deserts-San Diego County Mountains-San Gorgonio Pass Near Banning.

High Surf Advisory until 4 PM PST today for Orange County Coastal Areas-San Diego County Coastal Areas.

PZ . Small Craft Advisory until 4 PM PST today for Coastal Waters from San Mateo Point to the Mexican Border and out to 30 nm- Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island.



PUBLIC . Moede AVIATION/MARINE/BEACHES . Rodriguez


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDBC1 - 9410170 - San Diego, CA 5 mi61 min 62°F1017.4 hPa
LJAC1 - 9410230 - La Jolla, CA 6 mi61 min NNW 11 G 13 59°F 62°F1017.3 hPa
46254 6 mi57 min 60°F 62°F7 ft
LJPC1 - La Jolla, CA (073) 6 mi65 min NNW 13 G 17 7 ft
46266 13 mi55 min 62°F7 ft
46225 - Torrey Pines Outer, CA (100) 14 mi55 min 61°F7 ft
46258 14 mi55 min 62°F8 ft
46235 15 mi55 min 61°F8 ft
TIXC1 - Tijuana River Reserve, CA 15 mi100 min NW 6 62°F 1019 hPa48°F
46232 - Point Loma South, CA (191) 20 mi55 min 62°F9 ft
46224 - Oceanside Offshore, CA (045) 30 mi55 min 62°F6 ft
46086 - San Clemente Basin 48 mi45 min NW 16 G 19 59°F 63°F1018.1 hPa46°F

Wind History for USS MIDWAY South Navy Pier, San Diego, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Diego, San Diego International-Lindbergh Field, CA5 mi34 minNW 13 G 1810.00 miA Few Clouds65°F39°F40%1018 hPa
San Diego, North Island, Naval Air Station, CA6 mi93 minWNW 910.00 miPartly Cloudy62°F46°F58%1017.8 hPa
San Diego, Montgomery Field, CA6 mi32 minNW 1110.00 miFair62°F39°F43%1017.2 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA8 mi90 minNW 1110.00 miFair64°F39°F40%1017.3 hPa
Gillespie Field Airport, CA14 mi38 minWNW 710.00 miPartly Cloudy61°F37°F42%1017.6 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA15 mi29 minno data10.00 miFair0°F0°F%1017.7 hPa
San Diego, Brown Field Municipal Airport, CA19 mi32 minW 910.00 miMostly Cloudy61°F45°F56%1017.1 hPa

Link to 5 minute data for KSAN

Wind History from SAN (wind in knots)
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Last 24hrSW7S8W7W10W9W10W9W9W10W10W5W5CalmSW4W5CalmCalmNW8W6NW6W7W10W12
G17
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1 day agoW64W7NW6NW4NW3W3W4CalmCalm43CalmE4E4E3E3E3SE5E43S4SE5SW5
2 days agoW7W6W10NW5NW5CalmCalmCalmNE3CalmCalmCalmCalmCalmCalmCalmCalmCalmN3CalmCalm5N56

Tide / Current Tables for Crown Point, Mission Bay, California
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Crown Point
Click for Map
Sun -- 04:34 AM PST     2.32 feet Low Tide
Sun -- 06:43 AM PST     Sunrise
Sun -- 09:53 AM PST     Moonset
Sun -- 10:31 AM PST     6.13 feet High Tide
Sun -- 04:44 PM PST     Sunset
Sun -- 06:15 PM PST     -0.74 feet Low Tide
Sun -- 08:29 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.83.63.12.72.42.42.83.64.65.566.15.64.63.31.90.6-0.3-0.7-0.60.11.22.33.2

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Sun -- 12:02 AM PST     -0.00 knots Slack
Sun -- 02:18 AM PST     -0.79 knots Max Ebb
Sun -- 04:32 AM PST     0.00 knots Slack
Sun -- 06:43 AM PST     Sunrise
Sun -- 07:43 AM PST     1.28 knots Max Flood
Sun -- 09:52 AM PST     Moonset
Sun -- 10:45 AM PST     -0.00 knots Slack
Sun -- 02:39 PM PST     -2.23 knots Max Ebb
Sun -- 04:44 PM PST     Sunset
Sun -- 06:25 PM PST     0.00 knots Slack
Sun -- 08:29 PM PST     Moonrise
Sun -- 09:28 PM PST     1.28 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0-0.5-0.8-0.7-0.30.30.81.21.310.5-0.2-1-1.7-2.1-2.2-1.8-1.2-0.30.411.21.21

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Diego, CA (15,3,4,5)
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Ground Weather Radar Station San Diego, CA
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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 numerious 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.