Wednesday, July8, 2020
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Marine Weather and Tides
Mountain 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 5:41AMSunset 8:01PM Wednesday July 8, 2020 4:39 PM PDT (23:39 UTC) Moonrise 10:53PMMoonset 9:04AM Illumination 87% Phase: Waning Gibbous; Moon at 18 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- 125 Pm Pdt Wed Jul 8 2020
Tonight..Wind W 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 3 to 4 ft at 8 seconds and S 2 ft at 14 seconds.
Thu..Wind variable less than 10 kt...becoming W 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 8 seconds and S 2 ft at 14 seconds.
Thu night..Wind W 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 ft at 8 seconds and S 2 ft at 13 seconds.
Fri..Wind W to 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. Mixed swell W 1 to 2 ft at 10 seconds and S 2 ft at 13 seconds.
Fri night..Wind nw 10 kt with gusts to 15 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 9 seconds and S 2 ft at 12 seconds. Patchy fog with vsby 1 nm or less after midnight.
Sat..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and S 2 ft. Patchy fog with vsby 1 nm or less in the morning.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and S 2 to 3 ft.
Sun..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 2 to 3 ft.
Sun night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and S 2 to 3 ft.
Mon..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and S 3 to 4 ft.
Mon night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 3 ft.
PZZ700 125 Pm Pdt Wed Jul 8 2020
Synopsis for the far southern california coast.. At 2 am, a 1004 mb low was over death valley and a 1032 mb high was 1500 miles west of oregon. Weak to moderate onshore flow will prevail this week, with a coastal eddy at times through Thursday.


7 Day Forecast for Marine Location Near Mountain Center, CA
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location: 33.72, -116.68     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 082047 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 147 PM PDT Wed Jul 8 2020

SYNOPSIS. Near average temperatures through Thursday with areas of night and morning coastal low clouds extending inland into the far western valleys. For Friday through the weekend, high pressure to the east will strengthen and expand bringing a period of very hot weather for inland areas for Saturday through Monday. Slow cooling is then possible into the middle of next week as the high weakens a little as a weak trough of low pressure develops near the West Coast.

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

Coastal clouds went away on schedule this morning, but curiously the cloud deck off the CA coast has expanded in coverage. The coastal eddy continues and will through Thursday morning. Brisk onshore flow associated with a western US trough will produce isolated strong winds through mountain passes and into adjacent deserts this afternoon and evening. Some gusts will exceed 45 mph in the usual favored spots. The trough breaks down tonight and Thursday as a ridge of high pressure builds over the Southwest. It will become quite strong this weekend and the interior of SoCal will definitely feel the heat. Enjoy the cool of today because it will be the coolest day of the coming week. Temperatures near normal today will climb Thursday through Saturday, and this weekend reach around 5-10 degrees above normal. Some spots could hit 117 in the low desert and 107 in the high desert. An Excessive Heat Warning has now been posted for all deserts Saturday through Monday. Inland areas west of the mountains may need a heat advisory this weekend. Saturday looks like the hottest day over the entire region overall. There is an intrusion of a little monsoon moisture Friday through Sunday, but so little that there is nearly no chance of thunderstorms. But you'll probably notice some higher clouds and afternoon cumulus over the mountains. Models continue to show a stronger coastal eddy developing Saturday night, which would start a meaningful cooling trend Sunday west of the mountains, but right now it looks like cooling Sunday will probably not go too far inland. The strong ridge begins to relent Monday through Wednesday, allowing for some cooling heading into the middle of next week. It should be more noticeable in the coastal basin than in the desert.

AVIATION. 082000Z . Coast/Valleys . Clear with unrestricted vis this afternoon. Stratus will begin to move back inland after 09/02Z with bases near 900-1500 ft MSL. Areas of 3-5 SM vis in BR/HZ likely in the far western valleys and higher coastal areas after 08Z. Stratus and vis restrictions clearing by about 18Z Thu.

Mountains/Deserts . Mostly clear skies with unrestricted visibility through Thursday. West wind gusts 25-35 knots on the desert mountain slopes and through San Gorgonio Pass this afternoon/evening, weakening overnight.

MARINE. No hazardous marine conditions are expected through Monday.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . Excessive Heat Warning from 10 AM Saturday to 8 PM PDT Monday for Apple and Lucerne Valleys-Coachella Valley-San Diego County Deserts-San Gorgonio Pass Near Banning.

PZ . NONE.



PUBLIC . MM AVIATION/MARINE . SS


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 56 mi74 min 72°F3 ft

Wind History for La Jolla, CA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Palm Springs Regional Airport, CA13 mi47 minNNW 9 G 1910.00 miFair110°F28°F6%1005 hPa

Link to 5 minute data for KPSP

Wind History from PSP (wind in knots)
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N10NW14NW13NW13NW15CalmCalmCalmCalmN4SW3CalmCalmSW3SE8E8SE9E7E5E6E8
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NW11NW9W7S3SE3CalmCalmCalmCalmCalmS3SE4Calm5SE6CalmNW56N8
G23

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Wed -- 05:48 AM PDT     Sunrise
Wed -- 06:28 AM PDT     -0.53 feet Low Tide
Wed -- 09:08 AM PDT     Moonset
Wed -- 01:06 PM PDT     3.90 feet High Tide
Wed -- 05:55 PM PDT     2.37 feet Low Tide
Wed -- 08:03 PM PDT     Sunset
Wed -- 10:56 PM PDT     Moonrise
Wed -- 11:49 PM PDT     5.25 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.64.93.72.41.10.1-0.5-0.50.112.133.73.93.83.42.92.52.42.63.13.84.65.1

Tide / Current Tables for Newport Beach, Newport Bay Entrance, Corona del Mar, California (sub)
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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 (19,4,5,8)
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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.