Sunrise 6:05 AM   Sunset 7:36 PM Moonrise 12:00 AM   Moonset 9:15 AM

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PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 758 Pm Pdt Sat Apr 27 2024
Tonight - W winds 10 to 20 kt in the evening, becoming se 5 to 10 kt. Winds waves 2 to 3 ft in the evening, becoming 2 ft or less. W swell 4 to 6 ft at 8 seconds. Patchy fog after midnight.Sun - SE winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 1 to 3 ft. W swell 3 to 5 ft at 8 seconds. Patchy fog in the morning. Sun night - W winds 15 to 20 kt in the evening, becoming E 10 to 15 kt. Wind waves 2 to 3 ft. W swell 5 to 7 ft at 8 seconds. Patchy fog after midnight. Mon - W winds 5 to 10 kt, becoming 10 to 15 kt in the afternoon. Wind waves 1 to 3 ft. W swell 4 to 6 ft at 9 seconds. Patchy fog in the morning. Mon night - W winds 10 to 15 kt in the evening, becoming se 5 to 10 kt. Wind waves 1 to 3 ft. W swell 4 to 6 ft at 10 seconds. Patchy fog after midnight. Tue - E winds 5 to 10 kt, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 4 to 6 ft at 10 seconds. Patchy fog in the morning. Tue night - W winds 10 to 15 kt in the evening, becoming se 5 to 10 kt. Wind waves 1 to 3 ft. W swell 4 to 6 ft at 10 seconds. Patchy fog after midnight. Wed - S winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft. Patchy fog. Thu - SW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 4 ft. Patchy fog.

PZZ600 758 Pm Pdt Sat Apr 27 2024
synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - .at 03z, or 8 pm pdt, a 1029 mb high was centered 800 nm west of point conception. A 1005 mb low was centered in nw colorado. Strong nw winds and dangerous choppy seas will affect the outer waters much of the time through Mon.

FXUS66 KLOX 280600 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 1100 PM PDT Sat Apr 27 2024

SYNOPSIS
27/139 PM.

Some coastal low clouds and fog will be possible each night and morning through late next week, otherwise mostly clear skies with warmer temperatures can be expected during the period. Gusty west to north winds will prevail over the mountains and deserts at least through Monday.

.SHORT TERM (TDY-MON)...27/714 PM.

Satellite imagery showing mostly clear skies across the forecast area this evening, except patches of low clouds forming across the Central Coast. At upper levels, a northwest flow pattern will persist through Tuesday. This in combination with northerly offshore pressure gradients near the surface will continue to bring gusty northwest to north winds across portions of the forecast area through at least Monday. The Santa Barbara-Santa Maria gradient has climbed to -3.9 mb this evening. A wind advisory is in effect until 3 pm Monday for the mountains, Antelope Valley and adjacent foothills, as well as southwest Santa Barbara county. These areas should generally see wind gusts up to 45 mph, except locally up to 55 mph across the I-5 corridor and western Antelope Valley foothills.

The persistent strong northwest flow pattern across the outer coastal waters will continue to generate a weak eddy circulation the next few nights. As a result, there is the potential for low clouds to develop during the late night and morning hours across the LA/Ventura county coastal areas. Latest ACARS data still showing a very weak to no inversion across the LA Basin, so may be difficult for an organized stratus field to develop overnight.

Weak upper level ridging will move into srn CA tonight and Sun, bringing a warming and drying trend away from the coast.
Little change in heights then expected Monday into Tuesday, resulting in little change in temperatures. Warmest valley areas could climb into the lower 80s the next few days.

.LONG TERM (TUE-FRI)...27/138 PM.

The EC and GFS mean ensembles and deterministic are in generally good agreement thru the extended period, altho by next Sat the GFS has a deeper upper level trof along the W coast compared to the EC.

Weak upper level troffiness is expected over the forecast area on Wed into Thu, then weak upper level ridging should move into the area Fri followed by a flat upper level ridge (EC ) or an upper level trof (GFS) on Sat. Overall, the weather should not be affected much by either scenario on Sat except a deeper marine layer and cooler temps than currently forecast.

Overall, it looks like night and morning low clouds and fog will affect the L.A. County coast Wed thru Fri, then should expand to the Central Coast and VTU County coast for Fri night into Sat morning. Otherwise, mostly clear skies will continue across the region. Daytime temps will continue to be near normal to several degrees above normal Wed thru Fri, then cool to a few degrees below normal for most areas on Sat.

AVIATION
28/0559Z.

At 0500Z at KLAX, the marine layer was 900 ft deep. The top of the of marine layer was 1600 ft with a temp of 16 C.

High confidence in TAFs except for KSMO where there is a 30 percent chc of IFR cigs 11Z-17Z and KLAX and KLGB where there is a 30 percent chc of no cigs.

KLAX...Moderate confidence in TAF. There is a 30 percent chance of no cigs. No significant easterly wind component is expected.

KBUR...High confidence in TAF.

MARINE
27/827 PM.

With increasing confidence, have issued an extended period of Gale Warnings for the outer waters through Monday night, where peak gusts of 35 to 40 knots are expected. There is a 40-60% chance of gales will persist into Tue night, especially zones 673/676. Strongest winds expected each afternoon/evening. SCA winds are expected through Thu.

In the inner waters N of Pt. Sal, SCA level winds are likely especially during the afternoon/eve hours thru Tue night. Seas are expected to be near SCA levels during the periods of weaker winds. There is a 25% chance of gale force winds during the afternoon/eve hours Sun and Mon.

In the inner waters S Pt.Conception, a persistent eddy circulation will likely keep much of the inner waters below SCA level winds.
However, western portions of the Santa Barbara Channel are expected to see at least SCA level winds during the afternoon/evening hours through Tuesday, with a 50 percent chance of Gale force winds late Sunday afternoon/evening. Due to the lower confidence, keeping the Gale Watch in effect for the western Santa Barbara Channel during that time period.

Widespread strong to gale force winds will keep dangerous sea conditions across much of the coastal waters (particularly the outer waters) thru the weekend, with short-period, steep, and choppy waves. There may be dangerous breaking waves near west- facing harbors. Mariners should remain in safe harbor until conditions improve.

LOX WATCHES/WARNINGS/ADVISORIES
CA...Wind Advisory remains in effect until 3 AM PDT Sunday for zones 349-351. (See LAXNPWLOX).
Wind Advisory in effect until 3 PM PDT Monday for zones 376-377-383. (See LAXNPWLOX).
Wind Advisory now in effect until 3 PM PDT Monday for zones 378-381. (See LAXNPWLOX).
PZ...Small Craft Advisory in effect until 3 AM PDT Tuesday for zone 645. (See LAXMWWLOX).
Small Craft Advisory in effect until 3 AM PDT Sunday for zones 650-655. (See LAXMWWLOX).
Gale Watch in effect from Sunday afternoon through late Sunday night for zones 650-670. (See LAXMWWLOX).
Small Craft Advisory in effect until 3 PM PDT Sunday for zone 670. (See LAXMWWLOX).
Gale Warning in effect until 3 AM PDT Sunday for zones 673-676. (See LAXMWWLOX).
Gale Watch in effect from Sunday afternoon through late Monday night for zones 673-676. (See LAXMWWLOX).

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