Sunrise 5:47 AM   Sunset 7:52 PM Moonrise 4:29 PM   Moonset 3:35 AM

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PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 201 Pm Pdt Sun May 19 2024
Tonight - W winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 3 to 4 ft at 18 seconds. Mon - S to sw winds around 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 9 seconds and S 3 ft at 18 seconds. Mon night - W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 9 seconds and S 3 ft at 17 seconds. Tue - Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 10 seconds and S 3 ft at 16 seconds. Tue night - W winds 10 to 15 kt in the evening, becoming sw 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 9 seconds and S 3 ft at 16 seconds. Wed - Winds variable 10 kt or less, becoming S 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 2 ft at 15 seconds. Wed night - W winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 8 seconds and S 2 ft at 15 seconds. Thu - W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and S 2 ft. Fri - W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.

PZZ600 201 Pm Pdt Sun May 19 2024
synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - .at 20z, or 1 pm pdt, a 1035 mb surface high was centered 1100 nm northwest of los angeles and will slowly expand toward the coast through Monday.

FXUS66 KLOX 192104 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 204 PM PDT Sun May 19 2024

SYNOPSIS
19/123 PM.

Low clouds will continue to be a staple of the forecast for coast and valleys through Monday, and struggling to clear each afternoon. Breezy onshore winds will occur across the interior valleys and adjacent foothill areas each afternoon and evening.
More sunshine with slight warming is expected Tuesday and Wednesday as onshore flow weakens. Then cooler with increasing marine layer clouds again the latter half of next week.

.SHORT TERM (TDY-WED)...19/155 PM.

A persistent long wave trough along the West Coast coupled with strong onshore flow continues to maintain a deep marine layer with cooler than normal temperatures for coast and coastal valleys.
Clearing was somewhat more complete across LA County today than the last few days but similar or slower elsewhere. Tonight and Monday morning is expected to be similar to the last several nights and mornings. However, after that models continue to indicate the trough starting to shift east Monday with some northerly flow aloft developing along with the beginnings of a downward trend in onshore flow. This should promote earlier clearing of the marine layer Monday afternoon, though clouds may continue along the coast much of the afternoon. Temperatures may warm a degree or two Monday across the valleys with the earlier clearing.

Gradients continue to weaken Tue and Wed with slow rising of heights and thicknesses. The much weaker onshore flow and earlier marine layer clearing will help warm up the valleys several degrees from recent days with highs in the mid to high 70s and around a 40% chance of low 80s in the warmest locations. Warmer at the coast as well with some lower 70s likely away from the beaches. There will even be a light northeast breeze across the inland valleys and mountains Tuesday morning into early afternoon, though well below advisory levels.

.LONG TERM (THU-SUN)...19/203 PM.

After a two day reprieve Tue/Wed, troughing and strong onshore flow returns later in the week through next weekend. The marine layer is likely to deepen to at least 3000 feet again by Saturday, if not sooner, with slow or minimal clearing for coast/valleys and possibly some morning drizzle. High temperatures will fall back to the mid to 60s across most coast/valleys. Clear skies expected for mountains and desert areas but cooler there as well with gusty onshore winds at times.

AVIATION
19/1810Z.

At 17Z at KLAX, the marine layer was 2700 ft deep. The top of the inversion was at 4200 feet with a temperature of 16 C.

Good confidence in desert TAFs.

Moderate confidence in the remainder of TAFs. There is a 20 percent chc that sites with afternoon clearing will remain cloudy.
Flight Cat transitions may be off by 2 hours and cig hgts off by 300 ft. There is a 40 percent chance KPRB remains VFR after clearing early this afternoon.

KLAX...Moderate confidence in TAF. There is a 30 percent chc of BKN035 conds through the afternoon. No significant E wind component expected.

KBUR...Moderate confidence in TAF. There is a 10 percent chc of BKN025 conds through the afternoon.

MARINE
19/110 PM.

High confidence in Small Craft Advisory (SCA) seas and/or northwest winds forming tonight over the offshore waters from the Central Coast to San Nicolas Island. There is a 30 percent chance of SCA for the western Santa Barbara Channel each evening. These conditions will continue through Monday and likely beyond. Seas will be building everywhere as a result, with short period dominant seas over most nearshore waters by Sunday Night or Monday. SCA conditions are unlikely elsewhere. Southeast winds will form each morning over the nearshore waters from Santa Barbara to Orange County starting Monday or Tuesday. These winds may enhance to near 15 knots through passages and channels.

A long period south to southwest swell will peak Sunday and Monday with heights of 2 to 4 feet. This will create larger than usual breaking waves nearshore as well as some stronger currents near most harbor entrances.

LOX WATCHES/WARNINGS/ADVISORIES
CA...Beach Hazards Statement in effect through Monday evening for zones 87-362-366. (See LAXCFWLOX).
Wind Advisory in effect until 9 PM PDT this evening for zones 381-383. (See LAXNPWLOX).
PZ...Small Craft Advisory in effect until 3 AM PDT Tuesday for zone 670. (See LAXMWWLOX).
Small Craft Advisory in effect from 9 PM this evening to 3 AM PDT Tuesday for zones 673-676. (See LAXMWWLOX).

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El Segundo
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