Monday, July6, 2020
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Marine Weather and Tides
Imperial Beach, 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 5:45AMSunset 8:00PM Monday July 6, 2020 2:01 PM PDT (21:01 UTC) Moonrise 9:38PMMoonset 7:07AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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- 134 Pm Pdt Mon Jul 6 2020
Tonight..Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 9 seconds and S 3 ft at 14 seconds.
Tue..Wind S 10 kt...becoming sw with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft at 9 seconds and S 2 to 3 ft at 14 seconds.
Tue night..Wind sw 10 kt. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft at 9 seconds and S 2 to 3 ft at 14 seconds.
Wed..Wind sw 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft at 9 seconds and S 2 ft at 14 seconds.
Wed night..Wind sw 10 kt with gusts to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 8 seconds and S 2 ft at 14 seconds.
Thu..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.
Thu night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Fri..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and S 2 ft.
Sat..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 ft. Patchy fog with vsby 1 nm or less after midnight.
PZZ700 134 Pm Pdt Mon Jul 6 2020
Synopsis for the far southern california coast..At 1 pm, a 1004 mb low was over eastern san bernardino county and a 1032 mb high was about 1,560 miles west of eugene oregon. Weak to moderate onshore flow will prevail this week with a coastal eddy at times.


7 Day Forecast for Marine Location Near Imperial Beach city, CA
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location: 32.53, -117.14     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 062023 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 123 PM PDT Mon Jul 6 2020

SYNOPSIS. High pressure will continue the hot inland weather today. Cooler weather Tuesday through Thursday as a trough of low pressure moves inland to the north. Night and morning low clouds and fog will spread farther inland into portions of the western valleys for the middle of the week. Friday through the weekend, high pressure will strengthen across the southwest states bringing much warmer weather.

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

Most low clouds have cleared out even over the water today. Temperatures are running within a couple degrees of what they were yesterday at this time. The satellite loop and some surface winds are indicating that a coastal eddy is underway. High pressure aloft will relent under a trough of low pressure that will sag down from the north Tuesday through early Thursday. This should strengthen and maintain the coastal eddy, allowing coastal clouds to extend a little farther inland tonight through Thursday morning, which would mean patchy dense fog in the western parts of valleys. It will also bring cooler weather inland after today's heat. The trough will also boost winds in the usual mountain- desert corridors each afternoon/evening today through Wednesday, where top gusts in the top spots should exceed 45-50 mph. On Thursday and Friday the trough retreats and a high pressure ridge expands over the Southwest. This will bring a warming trend Friday through at least Sunday. How much warmer is still not certain; heat will be determined by the strength of the ridge over SoCal and how dry the air mass is. Starting Friday, models agree to bring in some moisture northward out of Mexico, but disagree on how much. That will affect how hot inland areas could get; more moisture means a cap on climbing temps. Right now we've got 110-115 for the lower desert this weekend. The moisture influx also means we're starting to think about chances of thunderstorms. For now, we're planning on a hotter, drier scenario, so temps are way up there, flirting with high heat risk that would warrant a heat hazard statement of some kind this weekend, especially Sunday for the lower desert. Also for now, chances of thunderstorms in the mountains and deserts are not high enough to forecast them yet. Looks like only some cumulus towering over the mountains during the afternoons. Stay tuned to our forecast as we gain more confidence on the weekend heat in coming days.

AVIATION. 062015Z . Coastal Areas . Mostly clear this afternoon. Low clouds likely returning after 05Z with bases from 400-800 ft MSL and tops to 1100 ft MSL. Clouds and fog could spread up to 10 miles inland by 14Z Tue, with 1-3 miles vis on elevated coastal terrain. Coastal TAF sites expected to have cig and vis impacts 06Z to 15Z but exact timing is uncertain.

Inland Valleys/Mountains/Deserts . Mostly clear with unrestricted visibility through Tuesday.

MARINE. No hazardous marine conditions are expected through Friday.

BEACHES. Surf will subside to 3 to 5 feet most areas this afternoon and evening.

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 . MM AVIATION/MARINE/BEACHES . PG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TIXC1 - Tijuana River Reserve, CA 3 mi76 min SW 6 73°F 1012 hPa65°F
SDBC1 - 9410170 - San Diego, CA 13 mi49 min 69°F1011.9 hPa
46232 - Point Loma South, CA (191) 15 mi35 min 73°F4 ft
46254 24 mi35 min 73°F2 ft
LJAC1 - 9410230 - La Jolla, CA 24 mi49 min WSW 14 G 14 68°F 70°F1011.7 hPa
LJPC1 - La Jolla, CA (073) 24 mi41 min WSW 13 G 15 2 ft
46258 25 mi35 min 71°F3 ft
46266 30 mi31 min 69°F 73°F3 ft
46225 - Torrey Pines Outer, CA (100) 31 mi35 min 70°F4 ft
46086 - San Clemente Basin 48 mi21 min 7.8 G 9.7 66°F 1011.9 hPa61°F
46224 - Oceanside Offshore, CA (045) 48 mi35 min 70°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
Imperial Beach Naval Outlying Field - Ream Field, CA4 mi65 minSW 108.00 miFair73°F63°F71%1012.4 hPa
San Diego, Brown Field Municipal Airport, CA9 mi68 minWNW 710.00 miFair82°F60°F47%1011.5 hPa
San Diego, North Island, Naval Air Station, CA12 mi69 minS 68.00 miFair73°F63°F71%1011.9 hPa
San Diego International Airport, CA14 mi70 minVar 510.00 miA Few Clouds75°F62°F64%1012.5 hPa
San Diego, Montgomery Field, CA21 mi68 minSW 810.00 miFair85°F62°F46%1011.6 hPa
Gillespie Field Airport, CA23 mi74 minSW 810.00 miClear91°F50°F24%1011.5 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA24 mi66 minSW 910.00 miFair88°F55°F34%1011.3 hPa

Link to 5 minute data for KNRS

Wind History from NRS (wind in knots)
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Last 24hr----------------------------------S6W6W6S6S9SW9SW10
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Tide / Current Tables for Imperial Beach, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Mon -- 02:05 AM PDT     -2.58 knots Max Ebb
Mon -- 05:47 AM PDT     Sunrise
Mon -- 05:55 AM PDT     0.00 knots Slack
Mon -- 07:07 AM PDT     Moonset
Mon -- 08:57 AM PDT     1.58 knots Max Flood
Mon -- 12:10 PM PDT     -0.00 knots Slack
Mon -- 02:26 PM PDT     -0.93 knots Max Ebb
Mon -- 04:50 PM PDT     0.00 knots Slack
Mon -- 07:59 PM PDT     Sunset
Mon -- 08:12 PM PDT     1.42 knots Max Flood
Mon -- 09:38 PM PDT     Moonrise
Mon -- 11:06 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.5-2.3-2.6-2.4-1.7-0.90.10.91.41.61.40.80.1-0.5-0.9-0.9-0.50.10.71.21.41.30.90.1

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 (17,4,5,8)
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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.