Sunrise 6:12 AM   Sunset 7:24 PM Moonrise 3:48 PM   Moonset 4:17 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 200422 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 922 PM PDT Fri Apr 19 2024

SYNOPSIS
Gusty winds will occur across parts of the passes and deserts through tonight as a shortwave passes through. Warming through the weekend with less marine layer cloud cover each night and morning as a weak ridge of high pressure moves over the area. An area of low pressure off the coast will slowly come ashore through next week, bringing gradual cooling with stronger onshore winds. There is a slight chance of showers in the latter half of the week as the trough progresses inland.

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

Evening Update
Breezy west winds continue this evening across portions of the mountains and deserts. A Wind Advisory remains in effect through 3 AM for the San Diego County Deserts and San Gorgonio Passes where winds will continue to gust around 40-50 mph. The 00Z KNKX sounding shows the marine inversion based near 3000 ft MSL, around the same as it was this morning. Marine layer low clouds have already pushed back into parts of the coastal areas and valleys and should spread into the inland valleys overnight.

A weak ridge of high pressure aloft will shift east over So Cal this weekend, bringing warmer weather inland and causing the marine layer to become more shallow. While low clouds will spread further inland each night, the strengthening marine inversion will make it tough for coastal areas to clear. Sunday will be the warmest day, with highs in the 80s to around 90 in the valleys and high desert and in the 90s to around 100 in the low deserts. The ridge begins to shift further east on Monday as an upper low amplifies over the East Pacific and begins to approach the West Coast. This will bring cooling for most areas, with little change in temperatures for the deserts.

Previous Discussion
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 closed 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
200325Z
Coast/Valleys
Low clouds increasing in coverage at this hour, with bases around 2500 ft MSL and tops to 2800 ft MSL. CIG impacts currently at KSAN. Clouds and fog will spread inland overnight, and CIG impacts likely at KCRQ and KSNA by 06Z and at KONT and KSBD around 09Z. VIS restrictions where terrain and clouds intersect. Bases and tops will likely lower to 1500-2000 ft MSL after 10Z. Expect clearing to the coast 17Z-19Z, with clouds persisting at the beaches into Sat afternoon.

Otherwise...SCT clouds at/above 20000 feet MSL with unrestricted VIS through tonight.

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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La Jolla
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Fri -- 01:40 AM PDT     1.41 feet Low Tide
Fri -- 04:16 AM PDT     Moonset
Fri -- 06:13 AM PDT     Sunrise
Fri -- 07:25 AM PDT     4.27 feet High Tide
Fri -- 01:49 PM PDT     0.17 feet Low Tide
Fri -- 03:47 PM PDT     Moonrise
Fri -- 07:22 PM PDT     Sunset
Fri -- 08:12 PM PDT     4.45 feet High Tide
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La Jolla, Scripps Pier, California, Tide feet

La Jolla (Scripps Institution Wharf), California, Tide feet

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