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PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 222 Am Pst Wed Nov 29 2023
Today..W winds 10 to 15 kt. Local gusts to 25 kt near point dume this afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 12 seconds and S 2 ft at 13 seconds. A slight chance of rain.
Tonight..W winds 10 to 15 kt. Local gusts to 25 kt near point dume in the evening. Wind waves 2 ft or less. W swell 2 to 4 ft at 11 seconds. A chance of rain.
Thu..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft at 10 seconds. A slight chance of rain.
Thu night..Western portion, nw winds 20 to 25 kt. Elsewhere, W winds 10 to 15 kt becoming nw 5 to 10 kt after midnight. Combined seas 6 to 8 ft dominant period 8 seconds.
Fri..NW winds 15 to 25 kt with gusts to 30 kt. Combined seas 6 to 8 ft dominant period 9 seconds.
Fri night..NW winds 15 to 25 kt with gusts to 30 kt in the evening, becoming ne 15 to 20 kt with gusts to 25 kt. Combined seas 6 to 8 ft dominant period 9 seconds.
Sat..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft.
Sun..N winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 to 4 ft.

PZZ600 222 Am Pst Wed Nov 29 2023
synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park...at 10z or 2 am pst, a 1012 mb surface low was centered about 330 nm northwest of point conception with a front extending to the south. This frontal system will move across the coastal waters today and this evening. Gusty northwesterly winds will increase across the coastal waters on Thursday, possibly reaching gale force from pt. Sal south to san nicolas island.

FXUS66 KSGX 290511 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 911 PM PST Tue Nov 28 2023

SYNOPSIS
A series of mostly weak low pressure systems will bring cooling through Friday with increasing clouds, chances for showers, and gusty west winds for the mountains and deserts. Then dry and warmer for the weekend into the middle of next week.

DISCUSSION
FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...

This evening, scattered mid and high clouds moving from west to east across the region ahead of a closed upper low off the coast of NorCal. High resolution model ensembles show some low clouds forming over the coastal areas early Wednesday morning but in the absence of a marine layer inversion, the boundary layer should remain well-mixed making it difficult for stratus clouds to form.
Any low clouds that do form are likely to be patchy.

The closed upper low off the coast of NorCal will move southeast over SoCal becoming an open wave in the process. It's currently producing showers off the NorCal coast and is expected to bring some of that energy and moisture southward with it. This system will strengthen the onshore flow and bring cooling to the region.
High temperatures on Wednesday are expected to be 5 to 10 degrees cooler than today for all areas, with continued cooling into Thursday. In addition to the cooler temperatures, winds will strengthen across the mountains and deserts and through the passes Wednesday afternoon and evening, with peak gusts 45 to 50 mph.

There isn't an abundance of moisture with this system and medium range ensembles are showing only modest precipitable water. Most ensemble members across model platforms are indicating some precipitation, so expect some rainfall - mostly in the form of showers - later on Wednesday into Thursday, but it won't be much.
The storm is on track to bring the highest precipitation totals to southern San Diego County, with very little for areas north of San Diego County Wednesday evening into Thursday.

This wave will move east on Thursday, with another system on its heels for later Thursday into Friday. model guidance has further trended this storm more to our north and inland, so our rainfall forecast has trended lower from the previous forecast. The highest rainfall amounts will likely occur on the coastal mountain slopes of the San Diego County mountains, with very little accumulation expected north of San Diego County.

Forecast rainfall totals Wednesday through Friday: Orange County and Inland Empire: 0.00 to 0.10 inch San Diego coast and valleys: 0.15 to 0.30 inch San Bernardino mountains: 0.00 to 0.10 inch Riverside mountains: 0.00 to 0.10 inch San Diego mountains: 0.15 to 0.45 inch Deserts: 0.00 to 0.05 inch

Snow levels will be above 6000 feet Wednesday and Thursday, then drop to around 5500 feet on Friday. Some snow accumulation will be possible on Friday in the mountains, but it's not looking like much, perhaps up to an inch above 6000 feet.

Beyond Friday, model ensembles are indicating a ridge of high pressure building in from the west after the low departs to the east this weekend. This will bring us dry and warmer conditions through at least the first half of next week. Weak offshore flow is indicated for next Monday and Tuesday but it's an open question as to whether or not it can stop the formation of marine layer low clouds.

AVIATION
290400Z
Coast/Valleys
FEW-SCT high clouds AOA 20000 feet this evening. Patchy low cloud coverage with bases near 1500-3000 feet MSL starting 15-18Z Wed. Local vis reduced 3-5SM along inland extent of clouds in valleys. Low confidence in onset time of low cloud coverage. -SHRA possible after 21Z Wed, most likely in San Diego county. Vis down to 2SM and cigs locally near 1000 ft MSL in SHRA.
SHRA look to continue intermittently into Thursday morning, again mostly across San Diego County.

Mountains/Deserts...Westerly winds with gusts 35 to 45 kt over the mountains, through passes, and into the deserts after 18Z Wed-06Z Thu.

MARINE
Northwest wind gusts near 20 kt over the outer waters Thursday night through Friday night. During that same time, an incoming northwest swell of 6-7 ft and 8 seconds from 280 degrees is expected. Choppy seas and hazardous boating conditions are likely in the outer coastal waters.

SKYWARN
Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions.

SGX WATCHES/WARNINGS/ADVISORIES
CA...None.
PZ...None.

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Los Patos (highway bridge)
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Wed -- 04:13 AM PST     1.54 feet Low Tide
Wed -- 06:36 AM PST     Sunrise
Wed -- 09:06 AM PST     Moonset
Wed -- 10:22 AM PST     5.22 feet High Tide
Wed -- 04:43 PM PST     Sunset
Wed -- 06:09 PM PST     -0.41 feet Low Tide
Wed -- 06:42 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION

Los Patos (highway bridge), California, Tide feet

Long Beach
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Wed -- 03:06 AM PST     2.47 feet Low Tide
Wed -- 06:37 AM PST     Sunrise
Wed -- 09:07 AM PST     Moonset
Wed -- 09:26 AM PST     6.04 feet High Tide
Wed -- 04:44 PM PST     Sunset
Wed -- 05:02 PM PST     -0.66 feet Low Tide
Wed -- 06:43 PM PST     Moonrise
Wed -- 11:55 PM PST     3.39 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Long Beach, Inner Harbor, California, Tide feet

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