Sunrise 5:55 AM   Sunset 7:42 PM Moonrise 4:23 AM   Moonset 5:15 PM

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PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 817 Pm Pdt Sat May 4 2024
.small craft advisory in effect through Sunday afternoon - ..gale watch in effect from Sunday afternoon through late Sunday night - .
Tonight - W winds 10 to 20 kt with gusts to 25 kt. Strongest western portion. Combined seas 3 to 5 ft dominant period 7 seconds. A slight chance of rain in the evening, then a chance of rain. Sun - W winds 15 to 25 kt with local gusts to 30 kt increasing to 20 to 30 kt with local gusts to 35 kt in the afternoon. Strongest western portion. Combined seas 5 to 7 ft dominant period 7 seconds, building to 7 to 9 ft dominant period 8 seconds in the afternoon. Sun night - W winds 15 to 25 kt with gusts to 30 kt, becoming nw 10 to 15 kt. Strongest western portion. Combined seas 7 to 9 ft dominant period 9 seconds. Mon - NE winds 5 to 10 kt, becoming W 10 to 15 kt with gusts to 20 kt in the afternoon. Wind waves 2 ft or less. W swell 4 to 5 ft at 9 seconds, subsiding to 2 to 4 ft at 9 seconds in the afternoon. S swell 2 ft in the afternoon. Mon night - W winds 10 to 15 kt with gusts to 20 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 5 to 7 ft at 8 seconds. Tue - NE winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 5 to 7 ft at 9 seconds, subsiding to 3 to 5 ft at 9 seconds in the afternoon. Tue night - W winds 10 to 15 kt with gusts to 20 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 5 to 7 ft at 9 seconds.Wed - Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 4 to 6 ft.Thu - SE winds 5 to 10 kt, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and S 2 ft.

PZZ600 817 Pm Pdt Sat May 4 2024
synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - .at 02z, or 7 pm pdt, a 995 mb low was centered in oregon, with a front extending southwestward. This front will move across the waters this afternoon and early tonight. Gusty winds and steep seas will affect the waters at times through Sunday, with gale force winds possible in the southern waters Sunday afternoon into Sunday night.

FXUS66 KLOX 050429 AFDLOX

Area Forecast Discussion...UPDATED National Weather Service Los Angeles/Oxnard CA 929 PM PDT Sat May 4 2024

SYNOPSIS
04/928 PM.

A cold storm system is moving over the region, bringing periods of light rain to the area through tonight. Temperatures will be much cooler than normal through Sunday, but warmer than the previous day, and there will be gusty winds at times. Dry and warmer weather is expected next week.

.SHORT TERM (SAT-TUE)...04/926 PM.

***UPDATE***

High temperatures today were colder than normal by 8 to 12 degrees, with most highs in the 60s. Daytime heating was tempered by a deep marine layer in the morning, followed by increasing high clouds and a cooling airmass as the tail end of a dying front affected the region.

The front produced light rain across San Luis Obispo and Santa Barbara counties starting late this afternoon. Totals are mostly under 0.10 inches, with 0.25 - 0.5 inches across mountain and foothills, and the NW portion of SLO county. The only measured outlier is Rocky Butte (NW SLO county), that saw 0.91 inches.
Light rain reached Ventura County this evening, and is just starting to affect portions of LA county. Rainfall totals for these southern counties are still expected to be light and low impact, with under 0.10 inches across coasts, valleys, and deserts. Rain is still expected to subside for all but mountain areas by tomorrow morning.

Tomorrow skies are expected to be partly cloudy to clear with little temperatures inversion following the frontal system. This will allow temperatures to warm somewhat compared to the previous day for much of SLO and SBA Counties (4 to 8 degrees), and coasts and valleys of Ventura and Los Angles Counties (2 to 5 degrees).

Forecast is still on track. Winds are currently gusting 40 to 50 mph for LA County mountains and the Antelope Valley. The gusty winds are expected to expand across the Ventura mountains, and the Santa Barbara south coast and mountains tonight.

***From Previous Discussion***

Sprinkles/showers are expected to last no longer than 3-4 hours in any one location. Storms like this that move inland over northern California and move south along the Sierra spine typically result in lighter rainfall amounts locally, and especially from southeast Santa Barbara to western LA County due to downsloping flow off the Transverse range. There may be a little reinforcing southwest flow over southeastern LA County that will generate slightly higher rain rates there and especially in the eastern San Gabriel Mountains, but amounts there should top off at around a half inch. Snow levels along the frontal boundary are way up above 8000 feet so only the highest peaks will see any frozen precip.

All the precip will be out of the area before the sun rises Sunday, except for possibly some lingering light showers on the north facing slopes Sunday morning. Otherwise, clearing skies expected with plenty of sunshine but temperatures well below normal.

The storm is generating some gusty westerly winds that will continue into Sunday, and will be strongest in the mountains and Antelope Valley.

Dry and warmer weather expected Monday and Tuesday, but with some gusty northerly winds at times, especially southern Santa Barbara County and the I5 corridor.

.LONG TERM (WED-SAT)...04/221 PM.

A slow warming trend is expected to continue through next week, but with some uncertainties later in the week and next weekend as some model solutions show a weak upper low developing over northern California. The only expected outcome from this would be slightly cooler temperatures than currently predicted. Otherwise, with the exception of daily north winds across the mountains and southern Santa Barbara County, weather conditions are expected to low impact with highs near to slightly above normal levels by mid week.

AVIATION
05/0223Z.

At 01Z at KLAX, there was no marine layer nor inversion.

Low to moderate confidence in TAFs. Light showers will be possible across the area through tonight, with VFR conditions expected after around 14Z. Confidence in timing of flight category changes will be low, and wind speeds may be off by +/- 5 kts during peak winds. Wind directions may be variable, especially during wind shifts and periods of wind below 10 kts.

KLAX...Moderate confidence in TAF. Cigs may bounce between BKN025-BKN040, and will likely be BKN050 or higher by around 11Z-14Z. No significant easterly wind component is expected.

KBUR...Low confidence in TAF. Cigs may bounce between BKN015-BKN040, until becoming BKN050 or higher by around 10Z-13Z.
Much uncertainty with regards to wind direction as wind shift from 14Z-19Z.

MARINE
04/825 PM.

For the Outer Waters, moderate to high confidence in current forecast. Tonight through Wednesday, high confidence in combination of Small Craft Advisory (SCA) level winds and seas (with SCA level seas developing Tuesday/Wednesday). There is a 70% chance of Gale force winds across zones 673/676 and 30% for zone 670 Sunday afternoon through Sunday night then again Tuesday and Tuesday night. For Thursday, there is a 40-50% chance of SCA level winds.

For the Inner Waters north of Point Sal, moderate to high confidence in current forecast. Tonight through Wednesday, high confidence in a combination of SCA level winds and seas (with the SCA level seas developing Tuesday/Wednesday). There is a 30% chance of Gale force winds Sunday afternoon/evening then again Tuesday/Wednesday.

For the Inner Waters south of Point Conception, moderate to high confidence in current forecast. Tonight through Sunday night, high confidence in SCA level winds (with the strongest winds across western sections). There is a 60% chance of Gale force winds Sunday afternoon and Sunday night for western portion of zone 650.
and 30% chance for zone 655. For Monday through Wednesday, there is a 60-70% chance of SCA level winds across the western half of the Santa Barbara Channel and a 30% chance of SCA level winds elsewhere. For Thursday, high confidence in winds and seas remaining below SCA levels.

LOX WATCHES/WARNINGS/ADVISORIES
CA...Wind Advisory remains in effect from 10 AM to 9 PM PDT Sunday for zones 87-340-341-346>348-354-355-362-366. (See LAXNPWLOX).
Wind Advisory remains in effect until 3 AM PDT Monday for zones 349>353-376>378. (See LAXNPWLOX).
Wind Advisory remains in effect until 5 AM PDT Sunday for zones 379>383. (See LAXNPWLOX).
PZ...Small Craft Advisory in effect until 3 AM PDT Sunday for zones 645-670. (See LAXMWWLOX).
Small Craft Advisory in effect until 3 PM PDT Sunday for zones 650-655-673-676. (See LAXMWWLOX).
Gale Watch in effect from Sunday afternoon through late Sunday night for zones 650-655-673-676. (See LAXMWWLOX).

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Santa Monica
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Sun -- 02:06 AM PDT     0.07 feet Low Tide
Sun -- 04:25 AM PDT     Moonrise
Sun -- 06:00 AM PDT     Sunrise
Sun -- 08:04 AM PDT     4.49 feet High Tide
Sun -- 01:55 PM PDT     0.33 feet Low Tide
Sun -- 05:16 PM PDT     Moonset
Sun -- 07:41 PM PDT     Sunset
Sun -- 08:13 PM PDT     5.89 feet High Tide
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Santa Monica, Municipal Pier, California, Tide feet

Santa Monica
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Sun -- 02:02 AM PDT     0.24 feet Low Tide
Sun -- 04:25 AM PDT     Moonrise
Sun -- 06:00 AM PDT     Sunrise
Sun -- 08:02 AM PDT     4.57 feet High Tide
Sun -- 01:53 PM PDT     0.36 feet Low Tide
Sun -- 05:16 PM PDT     Moonset
Sun -- 07:41 PM PDT     Sunset
Sun -- 08:12 PM PDT     5.97 feet High Tide
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Santa Monica, California, Tide feet

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