Sunrise 5:58 AM   Sunset 7:41 PM Moonrise 4:24 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- 330 Am Pdt Sun May 5 2024
.small craft advisory in effect through this afternoon - ..gale warning in effect from this afternoon through late tonight - .
Today - Northwestern portion, W to nw winds 15 to 25 kt, becoming 20 to 30 kt with gusts to 35 kt in the afternoon. Elsewhere, W winds 10 to 20 kt with gusts to 25 kt, becoming 15 to 25 kt with gusts to 30 kt in the afternoon. Combined seas 3 to 5 ft dominant period 8 seconds, becoming 5 to 7 ft dominant period 8 seconds. Tonight - Northwestern portion, W to nw winds 20 to 30 kt with gusts to 35 kt in the evening, becoming nw 10 to 15 kt. Elsewhere, W winds 15 to 25 kt with gusts to 30 kt, becoming 10 to 15 kt late. Combined seas 7 to 8 ft dominant period 8 seconds, subsiding to 5 to 7 ft dominant period 9 seconds after midnight. Mon - W to nw winds 5 to 10 kt, becoming 10 to 20 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 20 kt in the evening, becoming E 5 to 10 kt. Wind waves 1 to 3 ft. W swell 5 to 7 ft at 8 seconds. 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 9 seconds. Patchy fog in the morning. Tue night - W winds 10 to 20 kt in the evening, becoming E 5 to 10 kt. Wind waves 2 to 3 ft. W swell 5 to 7 ft at 9 seconds. Patchy fog after midnight. Wed - W winds 5 to 10 kt early, becoming sw winds 10 to 15 kt. Wind waves 2 ft or less. W swell 4 to 6 ft. Thu - S winds 5 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and S 2 ft. Patchy fog.

PZZ600 330 Am Pdt Sun May 5 2024
synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - .at 09z, or 2 am pdt, a 994 mb low was centered in nevada, with a front extending into the southern coastal waters. This front will exit the waters early this morning. Gusty to gale force winds will affect the waters into tonight, with gusty winds continuing across the outer waters through the middle of the week.

FXUS66 KLOX 051213 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 513 AM PDT Sun May 5 2024

SYNOPSIS
05/511 AM.

A cold storm system will continue to exit the region today, leaving cooler temperatures across the region, isolated to scattered showers in the mountains, and gusty west to northwest across portions of the area. Zonal flow aloft will establish Monday and persist over the region into late week as an upper- level ridge builds into the eastern Pacific Ocean and an upper- level trough aloft digs into the Intermountain West and Great Basin. A warming trend will develop into late week.

.SHORT TERM (TDY-TUE)...05/511 AM.

The latest radar mosaic shows light precipitation continuing to fall over Los Angeles County early this morning as a cold front moves over the region. Steady precipitation will exit the area towards dawn, and only isolated to scattered showers will become confined to the mountains late this morning. Skies should clear through the day, but a cold day for May is shaping up. There is a low to moderate chance of record cool high temperatures being set today, highest at a 40 percent chance for KPMD. The record daily cold maximum temperatures for KPMD is 61 degrees set on this calendar day in 1998. While coastal areas will be only about 3-8 degrees below normal for this time of year due to the typically persistent marine influence in May, the valleys, mountains, and desert are forecast to be 10-20 degrees below normal for today. The exception to this will be across southern Santa Barbara County where KSBA and the Santa Barbara area could be the warmest spot in the area due to compressional heating taking place with the northerly winds.

A northwest surface pressure gradient will develop through today and gusty winds will increase across the area. The gradient will tighten through this afternoon and evening and increase the winds across the area. An ample west to northwest push will bring advisory levels winds to the coastal sections, portions of the coastal valleys, across the mountains, and down into the Antelope Valley. Wind advisories remain in effect for much of the Transverse Range and down into the southern Santa Barbara County through late tonight. A wind advisory for the remaining coastal sections and into the Santa Ynez Valley will go into effect at 10 am this morning. The wind advisory for the San Gabriel Mountains and eastern Antelope Valley foothills was just allowed to expire, but the advisory for the Antelope Valley and the adjacent western foothills was extended into this evening. If traveling across the area, be prepared for gusty cross winds, especially if driving along Highway 1 and 101, through the San Marcos Pass on Highway 154 and Tejon Pass on Interstate 5, and out across the high desert on Highway 14. Blowing dust may be a particular hazard at times west of Highway 14.

Winds will start to diminish on Monday as the gradient relaxes.
Generally, clearing skies are expected tonight through Monday, but there is a moderate chance of low clouds and fog returning to the Los Angeles County coastal area and southern Salinas Valley early Monday morning.

A zonal flow pattern will develop aloft between Monday and Tuesday as ridging aloft will build into the eastern Pacific Ocean and an upper-level trough digs into Intermountain West.

.LONG TERM (WED-SAT)...05/502 AM.

A warming trend continues into at least Wednesday and possibly into late week. Forecast ensemble temperature means climbs throughout the week, but there is quite a bit of spread across the solutions with some uncertainties later in the week and next weekend. The spread becomes much more significant as forecast gets into Friday through next Sunday. The model solutions are struggling with how to handle the ridge to the west and the trough over the West, which could retrograde back as a cutoff low. The spread gets as large as 20-30 degrees for all locations across the region. For now, the forecast goes with NBM values.

Gusty northerly winds are likely to persist through the Interstate 5 Corridor and across southern Santa Barbara County during the 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 this morning to 9 PM PDT this evening 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 9 PM PDT this evening for zones 381-383. (See LAXNPWLOX).
PZ...Small Craft Advisory in effect from 3 PM this afternoon to 9 PM PDT this evening for zone 645. (See LAXMWWLOX).
Small Craft Advisory in effect until 3 PM PDT this afternoon for zones 650-655-673-676. (See LAXMWWLOX).
Gale Warning in effect from 3 PM this afternoon to 3 AM PDT Monday for zones 650-655-673-676. (See LAXMWWLOX).
Small Craft Advisory in effect until 3 AM PDT Monday for zone 670. (See LAXMWWLOX).

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