Tuesday, May26, 2020
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Marine Weather and Tides
La Presa, 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 5:41AMSunset 7:48PM Tuesday May 26, 2020 10:11 AM PDT (17:11 UTC) Moonrise 9:01AMMoonset 11:40PM Illumination 21% Phase: Waxing Crescent; Moon at 4 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- 211 Am Pdt Tue May 26 2020
Today..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 13 seconds and sw 1 to 2 ft at 18 seconds.
Tonight..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 12 seconds and sw 2 to 3 ft at 18 seconds.
Wed..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 12 seconds and sw 2 to 3 ft at 18 seconds.
Wed night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 11 seconds and sw 3 ft at 16 seconds.
Thu..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 11 seconds and sw 3 ft at 16 seconds.
Thu night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and sw 3 ft.
Fri..Wind variable less than 10 kt...becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft and sw 3 to 4 ft.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and sw 3 to 4 ft.
Sat..Wind nw 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and S 3 to 4 ft.
Sat night..Wind nw 10 to 15 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. Mixed swell W 2 to 4 ft and S 3 to 4 ft.
PZZ700 211 Am Pdt Tue May 26 2020
Synopsis for the far southern california coast.. At 2 am, 1024 mb high was 700 nm west of san francisco and a 1007 mb low covered the northern gulf of california. Weak onshore flow will prevail through Saturday.


7 Day Forecast for Marine Location Near La Presa, CA
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location: 32.72, -117     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 261615 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 915 AM PDT Tue May 26 2020

SYNOPSIS. High pressure over the area will continue to strengthen today, keeping temperatures well above average for the deserts and inland areas. A cooling trend will start Friday west of the mountains, with high temperatures dropping back down to near seasonal normals. Cooling will be slower in the deserts with temperatures expected to remain above normal through Saturday. The marine layer and weak onshore flow will keep coastal areas cooler with night and morning low clouds and fog expected. The marine layer will deepen and onshore flow will strengthen, spreading low clouds farther inland over the weekend into early next week.

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

Satellite imagery from 9 AM today showed a coastal eddy circulating over the coastal waters and low clouds retreating out of the valleys and towards the coast. Generally, visibility this morning was reduced to 3 to 5 miles in the western valleys and on coastal mesas. An eleven degree inversion was recorded on the morning sounding. This strong marine inversion will make clearing slow along the coast, with only partial clearing likely at the beaches. The marine layer will be a little shallower tonight into Wednesday morning, with low clouds and fog staying more confined to coastal locations.

High pressure will continue to strengthen over Southern California today. Temperatures in the deserts will reach their peak Wednesday and Thursday with highs in the High Desert reaching 100-105, and 108- 112 in the low desert. An Excessive Heat Warning remains in effect through Friday evening for the deserts. As the high pressure system begins to move east on Friday temperatures will begin to slowly decrease. Temperatures in the deserts will fall to seasonal normals by Sunday.

West of the mountains, the marine layer will keep temperatures near the coast in the 70s, with temperatures in the mid-80s to mid-90s inland. The Inland Empire will see the warmest conditions, with temperatures locally reaching 15 degrees above normal. Highs in the IE are expected to reach the upper 90s. These warm conditions are expected through Thursday, before a cooling trend begins Friday through the weekend.

An upper level low will move into northern and central California late Friday, which will strengthen onshore flow and deepen the marine layer across Southern California. While there are still some differences in the details, global ensembles keep a weak trough along the California coast through early next week. This will keep temperatures around seasonal normals and spread low clouds and fog into the western valleys.

AVIATION. 261600Z . Coast/Western Valleys . Stratus is quickly scattering, with skies clearing by 18Z. Skies could remain BKN into the afternoon for some beach locations. Low clouds will begin to move into the coastal areas this evening after 04Z with bases near 500- 700 feet MSL and lower vis of 3-5SM expected at the coastal terminals.

Inland Valleys/Mountains/Deserts . Mostly clear with unrestricted vis today and tonight.

MARINE. Patchy dense fog will impact the coastal waters through Thursday. Otherwise, no hazardous marine weather is expected through Saturday.

BEACHES. Southerly swell arrives Friday, peaks Saturday and gradually lowers Sunday. This will generate elevated surf of 3 to 5 feet with locally higher sets of 6 to 7 feet, along with a high risk of strong rip and longshore currents beginning late Friday.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . Excessive Heat Warning until 7 PM PDT Friday for Apple and Lucerne Valleys-Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning.

PZ . NONE.

PUBLIC . CO AVIATION/MARINE . Moreland


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDBC1 - 9410170 - San Diego, CA 9 mi59 min 69°F1012.5 hPa
TIXC1 - Tijuana River Reserve, CA 12 mi86 min WNW 4.1 65°F 1013 hPa62°F
LJAC1 - 9410230 - La Jolla, CA 17 mi59 min WNW 1.9 G 4.1 65°F 60°F1012.5 hPa
46254 17 mi73 min 67°F2 ft
LJPC1 - La Jolla, CA (073) 17 mi51 min WNW 2.9 G 5.1 2 ft
46266 22 mi131 min 63°F 66°F3 ft
46225 - Torrey Pines Outer, CA (100) 25 mi41 min 64°F3 ft
46232 - Point Loma South, CA (191) 27 mi41 min 67°F3 ft
46258 27 mi41 min 66°F4 ft
46224 - Oceanside Offshore, CA (045) 40 mi41 min 67°F3 ft

Wind History for USS MIDWAY South Navy Pier, San Diego, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gillespie Field Airport, CA8 mi2.4 hrsN 04.00 miFog/Mist61°F57°F88%1012.9 hPa
San Diego, San Diego International-Lindbergh Field, CA9 mi20 minWNW 59.00 miA Few Clouds71°F60°F68%1012.9 hPa
San Diego, Montgomery Field, CA10 mi18 minN 08.00 miFair73°F60°F64%1012.2 hPa
San Diego, Brown Field Municipal Airport, CA10 mi18 minVar 38.00 miFair74°F61°F64%1012.2 hPa
San Diego, North Island, Naval Air Station, CA11 mi19 minVar 49.00 miPartly Cloudy70°F60°F71%1012.3 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA12 mi15 minWNW 88.00 miA Few Clouds70°F59°F68%1012.7 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA14 mi2.3 hrsN 04.00 miFog/Mist64°F61°F90%1012 hPa
Ramona, Ramona Airport, CA23 mi18 minWNW 910.00 miFair80°F57°F45%1011.5 hPa

Link to 5 minute data for KSEE

Wind History from SEE (wind in knots)
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Last 24hrCalm55NW7W7W10
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W9W9W9NW11NW9W6W3W5CalmCalmCalmW3CalmCalmNW3CalmCalmCalm
1 day agoCalmNW7CalmSW4W7W9W10W8W7
G13
W9W8W7W5W6CalmW3W3CalmW3W3W4CalmCalmCalm
2 days agoSW5664SW6
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SW6S9W7SW5CalmW5W3W3NW3W4CalmCalmW3CalmCalm

Tide / Current Tables for National City, San Diego Bay, California
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National City
Click for Map
Tue -- 05:43 AM PDT     Sunrise
Tue -- 07:06 AM PDT     -0.52 feet Low Tide
Tue -- 09:01 AM PDT     Moonrise
Tue -- 01:54 PM PDT     3.60 feet High Tide
Tue -- 05:49 PM PDT     2.71 feet Low Tide
Tue -- 07:48 PM PDT     Sunset
Tue -- 11:40 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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65.54.53.21.80.6-0.2-0.5-0.30.41.32.233.53.63.43.12.82.72.93.44.24.95.6

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Tue -- 03:32 AM PDT     -1.99 knots Max Ebb
Tue -- 05:43 AM PDT     Sunrise
Tue -- 07:22 AM PDT     0.00 knots Slack
Tue -- 09:01 AM PDT     Moonrise
Tue -- 10:21 AM PDT     1.03 knots Max Flood
Tue -- 02:05 PM PDT     -0.00 knots Slack
Tue -- 04:04 PM PDT     -0.45 knots Max Ebb
Tue -- 06:00 PM PDT     0.00 knots Slack
Tue -- 07:48 PM PDT     Sunset
Tue -- 09:10 PM PDT     0.93 knots Max Flood
Tue -- 11:40 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.3-1-1.6-1.9-2-1.6-1-0.30.40.8110.80.40-0.3-0.4-0.3-00.40.80.90.80.6

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 (13,3,4,5)
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Ground Weather Radar Station San Diego, CA
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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.