Sunrise 6:13 AM   Sunset 7:26 PM Moonrise 3:49 PM   Moonset 4:18 AM

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PZZ750 Coastal Waters From San Mateo Point To The Mexican Border And Out To 30 Nm- 101 Pm Pdt Fri Apr 19 2024
Tonight - Wind west 10 knots this evening - .becoming variable less than 10 knots. Wind waves around 2 feet or less. Mixed swell west 1 to 2 feet at 5 seconds and south 3 feet at 14 seconds. Saturday - Wind variable less than 10 knots - .becoming west 10 knots in the afternoon. Wind waves around 2 feet or less. SWell west 2 feet at 5 seconds. SWell south 3 feet in the morning. Saturday night - Wind northwest to 10 knots in the evening - . Becoming variable less than 10 knots. Wind waves around 2 feet or less. SWell west 2 feet at 5 seconds. Sunday - Wind variable less than 10 knots - .becoming west 10 knots with gusts to 15 knots in the afternoon. Wind waves around 2 feet or less. SWell west 2 feet at 6 seconds. Sunday night - Wind west to 10 knots in the evening - .becoming variable less than 10 knots. Wind waves around 2 feet or less. SWell west 2 to 3 feet at 8 seconds. SWell south 3 feet after midnight. Monday - Wind variable less than 10 knots - .becoming west 10 knots with gusts to 15 knots in the afternoon. Wind waves around 2 feet or less. Mixed swell west 2 to 3 feet and south 3 feet. Monday night - Wind west 10 knots in the evening - .becoming variable less than 10 knots. Wind waves around 2 feet or less. Mixed swell west 2 to 3 feet and south 3 feet. Tuesday - Wind variable less than 10 knots - .becoming west 10 knots with gusts to 15 knots in the afternoon. Wind waves around 2 feet or less. Mixed swell west 2 to 3 feet at 11 seconds and south 3 feet at 15 seconds. Tuesday night - Wind west 10 knots with gusts to 15 knots in the evening - .becoming variable less than 10 knots. Wind waves around 2 feet or less. Mixed swell west 2 feet at 11 seconds and south 3 feet at 16 seconds. Wednesday - Wind variable less than 10 knots - .becoming west 10 knots in the afternoon. Wind waves around 2 feet or less. SWell west 2 feet at 11 seconds. Wednesday night - Wind west 10 knots with gusts to 15 knots. Wind waves around 2 feet or less. SWell west 2 feet at 11 seconds.

PZZ700 101 Pm Pdt Fri Apr 19 2024
Synopsis for the far southern california coast - At 1 pm, a 1018 mb surface high pressure was 500 nm west of san diego and a 1008 mb surface low pressure near las vegas. Generally weak onshore flow will prevail through Tuesday, with small coastal eddy circulations this weekend becoming more organized on Monday.

FXUS66 KSGX 192041 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 141 PM PDT Fri Apr 19 2024

SYNOPSIS
A mix of sun and clouds today will bring sunnier conditions through the weekend with warmer weather as high pressure settles into the area. Gusty winds will occur across parts of the passes and deserts today through tonight as a shortwave passes through. An area of low pressure off the coast will slowly come ashore through next week, bringing cooling, windy, and potentially wetter weather.

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

.SHORT TERM (Today through Monday)...
A weak shortwave passing over Southern California today has brought slightly cooler weather with onshore flow over the area, where some east-west passes are seeing wind gusts near 20-35 MPH.
Winds are expected to increase across these areas into the deserts later this afternoon into tonight. Areas of the San Diego deserts and San Gorgonio Pass are now under a Wind Advisory through tonight, where winds may gust 45-65 MPH. These winds have helped to mix out the inversion this morning across San Diego County with mostly sunny skies, though a bit slower to clear across the LA Basin. Per latest HRRR guidance, chances for widespread low cloud cover west of the mountains is high, impacting the area later this evening through Saturday morning. Coastal areas should see better clearing this weekend as the marine layer becomes shallower.

An area of high pressure will build in off the coast this week, leading to warmer temperatures. Sunday will be the warmest day over all with highs near 90 degrees across the Inland Empire and 100 degrees across the lower deserts. Probabilities for each of these areas near San Bernardino and Palm Springs respectively have near 50-70% chance of seeing these temperatures.

.LONG TERM (Tuesday through Late Next Week)...
As the ridge breaks down by Tuesday, onshore flow will spread cooling further inland. Areas west of the mountains will be a few degrees cooler, while the deserts will hang onto one more warm day in the 80s and 90s.

Long range models are becoming in better agreement of a cut off low pressure system moving in off the Pacific starting Tuesday of next week. This will bring a deepening marine layer with clouds pushing further inland west of the mountains each night and morning, along with cooler temperatures for all areas. Most areas should see cooler than average temperatures by Wednesday and Thursday. Winds will also increase. Depending on which day the low nears SoCal, winds will be strongest. As of now, this is looking like Thursday. Winds were increased in the forecast with additional WRF guidance for Wednesday and Thursday to incorporate uncertainty in the timing of the trough. Model ensembles show potentially wet weather accompanied by this system as well. Timing and amounts are still quite uncertain, but amounts look light whatever does fall. Slight chance of showers was added to the forecast along and west of the mountains starting Thursday evening through Friday.

AVIATION
192035Z
Coast/Valleys
Clearing has occurred but patches of low clouds continue, especially on the Orange County land and water. Marine clouds expected to return on the coast by 03 UTC and spread inland overnight as well as lower to 1500 to 2000 AGL. A weak disturbance tracks through Socal near 00 UTC/20 which will affect the marine layer and allow it to lower overnight. Light fog developing for inland areas.

Otherwise...SCT cumulus at around 8000 feet over mountains through 02Z and SCT high clouds at/above 20000 feet MSL with unrestricted visibility into tonight. Surface wind increase to 20 knots sustained through 05 UTC for the Coachella Valley.

MARINE
No hazardous marine conditions are expected through Tuesday.

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



SGX WATCHES/WARNINGS/ADVISORIES
CA...Wind Advisory until 3 AM PDT Saturday for San Diego County Deserts-San Gorgonio Pass Near Banning.

PZ...None.

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San Clemente
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Fri -- 01:41 AM PDT     1.35 feet Low Tide
Fri -- 04:18 AM PDT     Moonset
Fri -- 06:14 AM PDT     Sunrise
Fri -- 07:23 AM PDT     4.33 feet High Tide
Fri -- 01:50 PM PDT     0.07 feet Low Tide
Fri -- 03:48 PM PDT     Moonrise
Fri -- 07:24 PM PDT     Sunset
Fri -- 08:10 PM PDT     4.56 feet High Tide
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San Clemente, California, Tide feet

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