Sunrise 6:16 AM   Sunset 7:28 PM Moonrise 2:55 PM   Moonset 3:55 AM

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PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 159 Pm Pdt Thu Apr 18 2024
Tonight - W winds 10 kt in the evening, becoming se 5 to 10 kt. Wind waves 2 ft or less. S swell 3 ft at 15 seconds. Patchy fog. Fri - SE winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. S swell 3 ft at 15 seconds. Patchy fog in the morning. Fri night - W winds 10 to 15 kt in the evening, becoming se 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 6 seconds and S 3 ft at 15 seconds. Patchy fog after midnight. Sat - 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 ft at 6 seconds and S 3 ft at 15 seconds. Patchy fog in the morning. Sat 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 3 ft at 6 seconds and S 3 ft at 14 seconds. Sun - 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 4 ft at 8 seconds and S 3 ft at 14 seconds. Patchy fog in the morning. Sun 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 8 seconds and S 3 ft at 14 seconds. Patchy fog after midnight. Mon - SW winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and S 3 ft. Patchy fog. Tue - SW winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and S 3 ft. Patchy fog.

PZZ600 159 Pm Pdt Thu Apr 18 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 1030 mb high was centered washington while a 1008 mb low was centered in southern nevada.

FXUS66 KLOX 190015 AFDLOX

Area Forecast Discussion...UPDATED National Weather Service Los Angeles/Oxnard CA 515 PM PDT Thu Apr 18 2024

SYNOPSIS
18/127 PM.

Strengthening onshore flow beneath southwest flow aloft will bring a cooling trend through Friday with more extensive night through morning low clouds and fog. A warming trend is expected over the weekend as weak ridging aloft builds in. A significant cooling trend with a deep marine layer depth is on tap for the middle-to-late portion of next week.

.SHORT TERM (TDY-SUN)...18/141 PM.

A weak trough will remain over California through Friday maintaining cooler temperatures and a deepening marine layer across coast and valleys during the night and morning hours. The marine layer was fairly shallow this morning with dense fog near the coast. As the marine layer deepens today and tonight, cloud bases will rise across, leading to less fog near the coast but increasing fog in the valleys, possibly dense at times, especially near the hills. With a deeper marine layer in place Friday, likely in the 2500 foot range, clouds will take a little longer to clear but full clearing is expected in all areas except possibly some beaches, especially from Malibu west. Additional cooling expected Friday as well with most areas in the 60s to low 70s.

Some additional deepening expected Friday night as well, however weak ridging is expected to move into the area Saturday along with weakening onshore flow that should lead to earlier clearing and warmer temperatures in most areas. Much less stratus expected Sunday with much warmer temperatures, likely the warmest day for at least a week if not longer with mid 80s in the valleys and mid to high 70s for coastal areas away from the immediate coast.

.LONG TERM (MON-THU)...18/149 PM.

Ridging will weaken Monday as a trough approaches from the west.
The trough will be the dominant player next week keeping temperatures below normal starting Tuesday and lasting into the following weekend. Ensemble solutions have been hinting at some light rain chances the latter half of the week but the best chances seem to be next Friday which is still outside the current 7 day forecast window. The first trough comes through Wednesday and some drizzle can't be ruled out that morning. Otherwise, just much cooler temperatures with highs mostly in the 60s. Strong onshore flow expected most of the week, meaning a steady does of marine layer stratus for coast and valleys, later than usual clearing, and gusty winds across the interior, especially later in the week.

AVIATION
19/0016Z.

At 2341Z at KLAX, the marine layer at KLAX was about 1300 ft deep. The inversion top was at 2400 ft with a temp of 17 C.

Conds will be mostly IFR, with some LIFR possible in the valleys, then improve to MVFR later tonight into Friday morning at coastal areas. Timing of cig arrival and clearing may be off by +/-2 hours.

KLAX...Moderate to low confidence in TAF. Timing of cig arrival may be off by +/-2 hours, and there is a 30% chance of clearing after 23Z Fri. No significant east wind component expected.

KBUR...Moderate confidence in TAF. Timing of cig arrival and clearing may be off by +/-2 hours, and there is a 30% chance of several hours OVC004 cigs.

MARINE
18/1227 PM.

High confidence in conditions remaining below Small Craft Advisory (SCA) levels thru Saturday morning. SE winds around 10 knots should occur each morning from the SBA Channel southward to San Mateo Point. Locally stronger SE gusts are possible thru the Anacapa Passage and San Pedro Channel.

NW winds will likely reach SCA levels in the outer waters Saturday afternoon through Sunday, and across the inner waters north of Point Sal and the Santa Barbara Channel during the afternoon/evening hours over the weekend. These winds will build short period seas over all waters. There is a 30% chance of SCA conditions in the outer waters Monday.

BEACHES
18/551 AM.

A long-period southerly swell cause elevated surf of 3 to 5 ft with local sets to 6 or even 7 ft on south-facing beaches of L.A.
County, Catalina Island, and possibly VTU County. There will be a high risk of rip currents on most beaches today.

LOX WATCHES/WARNINGS/ADVISORIES
CA...NONE.
PZ...NONE.

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Thu -- 01:11 AM PDT     2.03 feet Low Tide
Thu -- 03:55 AM PDT     Moonset
Thu -- 06:17 AM PDT     Sunrise
Thu -- 06:47 AM PDT     4.42 feet High Tide
Thu -- 01:29 PM PDT     0.14 feet Low Tide
Thu -- 02:54 PM PDT     Moonrise
Thu -- 07:26 PM PDT     Sunset
Thu -- 08:03 PM PDT     4.45 feet High Tide
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