Thursday, October21, 2021
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Marine Weather and Tides
Palm Desert, CA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:54AMSunset 6:05PM Thursday October 21, 2021 2:04 PM PDT (21:04 UTC) Moonrise 6:54PMMoonset 7:50AM Illumination 99% 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- 138 Pm Pdt Thu Oct 21 2021
Tonight..Wind nw 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 13 seconds and S 1 to 2 ft at 12 seconds.
Fri..Wind nw 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 1 to 4 ft at 13 seconds and S 1 ft at 12 seconds.
Fri night..Wind nw 10 to 15 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. Mixed swell W 1 to 3 ft at 16 seconds and S 1 ft at 12 seconds. Patchy drizzle after midnight.
Sat..Wind W 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 15 seconds and S 1 ft at 11 seconds.
Sat night..Wind W to 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 3 ft at 14 seconds and S 1 ft at 11 seconds.
Sun..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 to 3 ft and S 1 ft.
Sun night..Wind nw 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 3 ft and sw 1 ft. Slight chance of showers after midnight.
Mon..Wind variable less than 10 kt...becoming sw 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 1 to 2 ft. Showers likely.
Mon night..Wind W 10 to 15 kt. Wind waves 2 ft or less... Becoming 3 ft after midnight. Mixed swell W 3 to 6 ft and S 2 ft. Chance of showers in the evening, then slight chance of showers after midnight.
Tue..Wind nw 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 3 to 6 ft and S 2 ft.
Tue 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. Mixed swell W 4 to 6 ft and S 2 ft.
PZZ700 138 Pm Pdt Thu Oct 21 2021
Synopsis for the far southern california coast..At 1 pm, a 1021 mb high was about 50 miles northwest of point conception and a 1017 mb low was near needles california. Weak onshore flow today will increase for Friday and Saturday before decreasing slightly Sunday. A storm system arrives Monday, with stronger winds and rough seas, while bringing rain.


7 Day Forecast for Marine Location Near Palm Desert, CA
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location: 33.74, -116.36     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 212009 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 109 PM PDT Thu Oct 21 2021

SYNOPSIS. Warmer conditions are in store today, with weak high pressure aloft over the southwest. Onshore flow will strengthen Friday through the weekend, which will spread cooling inland and deepen the marine layer. Patchy night and morning coastal low clouds and fog will become more extensive and extend inland onto the coastal slopes of the mountains for the weekend. A low pressure system moving through California will spread rain across the area on Monday. Then dry and warmer for the middle of next week.

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

At 1 PM, skies were mostly clear across Southern California. Temperatures are running about 2 to 8 degrees warmer than this time yesterday. Greater low cloud coverage is expected tonight, with low clouds reaching into coastal areas and locally into portions of the western valleys.

A weak shortwave will pass to our north Friday and Saturday, strengthening onshore flow and spreading cooler temperatures inland. Marine layer clouds will become more widespread and extensive Friday night into Saturday morning, reaching inland onto the coastal slopes of the mountains. The marine layer may be deep enough for some patchy drizzle to fall Saturday morning. Little, if any, accumulation is expected.

A deeper and more amplified trough is slated to impact California late this weekend and early next week, bringing widespread rainfall to the state. This trough will push south into central California early Monday and tap into atmospheric river moisture from the west. The atmospheric river will first impact central California, then weaken as it pushes southeast into SoCal on Monday. Higher rainfall totals are expected for central California, but we will still see widespread precipitation in SoCal on Monday. Broad southwest flow will enhance the upslope flow and the rainfall amounts in the San Bernardino mountains, where 1 to locally 1.5 inches of precipitation is forecast. In the Inland Empire and Orange County, rainfall amounts of 0.30 to 0.75 inches are forecast. Further south into San Diego County, much less rainfall is forecast, with only 0.10 to 0.30 inch expected, locally up to 0.50 inch in the San Diego mountains. Little, if any, measurable rainfall is expected in the lower deserts.

Cluster analysis is coming into better alignment on the timing of this trough, but there is still a good amount of spread in the amplitude of the trough. The amplitude and position of this trough will be important in how much rainfall SoCal ends up receiving. The wettest ECMWF members are not quite as wet on the latest runs. Overall, forecast rainfall amounts have not changed much in the last day. Amounts are likely to change as we get closer to the event and models come into better alignment.

This trough will tap into warm, subtropical atmospheric river moisture, so snow levels will remain quite high with this system, generally above 9,000 feet. Snow levels will drop to around 7,500 feet Tuesday morning once the system passes, but little, if any, precipitation will fall during that time. So this will be an all rain event for the mountain communities. A dusting of snow may occur on the highest peaks of the San Bernardino Mountains. Gusty southwest to west winds are expected with this system on Monday, with gusts to 40 mph possible through the passes and on the desert mountain slopes.

The trough will exit to the east on Tuesday, with a weak ridge building in behind it. This will bring dry conditions and a warming trend for the middle of next week. Periods of weak offshore flow are possible towards the middle to end of next week.

AVIATION. 212000Z . Except for mostly SCT clouds at/above 20000 feet MSL, clear skies with unrestricted vis will continue this afternoon. Some low clouds, with bases around 1000 feet MSL, will develop near the coast this evening after 03Z, which should reach SAN/CRQ/SNA after 05Z and spread locally 10-15 miles inland by sunrise Friday. Low clouds and fog are not expected to reach KONT or KSBD. Expect clearing to the coast 16Z-19Z Friday.

MARINE. No hazardous marine conditions are expected through Sunday, although a few gusts around San Clemente Island could exceed 20 knots late Friday through Saturday. Stronger winds and higher seas are expected with a storm system arriving Monday. Stay informed with the Coastal Waters Forecast and any other hazard messages that may be issued.

BEACHES. A series of west-northwest swells will boost surf and rip current risk today, Saturday, and again late Monday through Wednesday. Highest surf and rip current risk will be in southern San Diego County. Stay informed with the Surf Zone Forecast and any other hazard messages that may be issued.

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 . Connolly AVIATION/MARINE/BEACHES . PG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 71 mi38 min 66°F4 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, CA10 mi71 minVar 410.00 miFair86°F29°F13%1018.6 hPa
Palm Springs, Jacqueline Cochran Regional Airport, CA12 mi72 minSE 510.00 miFair88°F37°F16%1017.6 hPa

Link to 5 minute data for KPSP

Wind History from PSP (wind in knots)
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Last 24hrSE5E4SE5E40E3NW4N5NW8NW5NW6N6NW7NW7NW6N6N6NW6N400543
1 day agoE355E6SE45NW5NW6NW5NW6NW6NW4N9NW8NW7NW6NW8NW6N6003SE8SE6
2 days agoE6S16
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Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Thu -- 03:41 AM PDT     1.05 feet Low Tide
Thu -- 07:00 AM PDT     Sunrise
Thu -- 07:54 AM PDT     Moonset
Thu -- 09:49 AM PDT     5.73 feet High Tide
Thu -- 04:32 PM PDT     0.04 feet Low Tide
Thu -- 06:09 PM PDT     Sunset
Thu -- 06:59 PM PDT     Moonrise
Thu -- 10:35 PM PDT     4.20 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for La Jolla, Scripps Pier, California
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La Jolla
Click for Map
Thu -- 03:36 AM PDT     1.34 feet Low Tide
Thu -- 06:58 AM PDT     Sunrise
Thu -- 07:52 AM PDT     Moonset
Thu -- 09:46 AM PDT     5.65 feet High Tide
Thu -- 04:29 PM PDT     0.18 feet Low Tide
Thu -- 06:08 PM PDT     Sunset
Thu -- 06:59 PM PDT     Moonrise
Thu -- 10:39 PM PDT     4.17 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map
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GEOS Local Image of Southwest    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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