Marine Weather Net

Santa Cruz Island CA to 120W between 150 and 250 NM Offshore Forecast


TONIGHT

WNW
WINDS < 10
KNOTS

THU

SSW
WINDS
10 - 20
KNOTS

THU NIGHT

N
WINDS
15 - 25
KNOTS

FRI

NNE
WINDS
15 - 25
KNOTS

The Marine Weather Forecast In Detail:
PZZ940 Forecast Issued: 139 PM PST Wed Nov 30 2022

Tonight...W To Nw Winds Less Than 10 Kt, Becoming W To Sw. Seas 6 To 8 Ft.
Thu...S To Sw Winds 10 To 20 Kt. Seas 5 To 7 Ft.
Thu Night...N Winds 15 To 25 Kt. Seas 6 To 11 Ft. Chance Of Rain.
Fri...N To Ne Winds 15 To 25 Kt, Becoming Ne 5 To 15 Kt. Seas 7 To 13 Ft.
Fri Night...N To Ne Winds 5 To 15 Kt, Becoming E. Seas 7 To 12 Ft.
Sat...E To Se Winds 10 To 20 Kt, Becoming S. Seas 7 To 10 Ft.
Sat Night...S Winds 10 To 20 Kt. Seas 6 To 9 Ft.
Sun...W To Nw Winds 5 To 15 Kt, Becoming Nw. Seas 6 To 10 Ft.
Sun Night...N To Nw Winds 5 To 10 Kt. Seas 7 To 11 Ft.
Mon...W To Nw Winds 5 To 15 Kt. Seas 8 To 9 Ft.
Mon Night...N To Nw Winds 5 To 15 Kt. Seas 7 To 8 Ft.
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Area Forecast Discussion
National Weather Service San Diego CA
200pm PST Wednesday Nov 30 2022

Synopsis
Cool weather will prevail through the middle of next week, except for a slightly warmer day Saturday, as low pressure aloft prevails over the West Coast. Some clouds will occur at times, mainly from the mountains west to the coast. Some precipitation, mainly light, will occur at times, mostly Thursday night and Friday and then again around Sunday into Monday.

For Extreme Southwestern California Including Orange... San Diego...Western Riverside and Southwestern San Bernardino Counties
Skies were partly to mostly cloudy west of the mountains with sunny skies elsewhere across the region. Chilly weather again prevailed with mostly upper 50s to lower 60s in coastal/valley areas at early afternoon. Skies will generally be partly cloudy in coastal and some valley areas the rest of this afternoon.

A trough of low pressure associated with an upper low currently off the British Columbia coast will dig south and move through California mainly Thursday night. We will be at the south end of this trough, but with somewhat limited moisture as precipitable water will be around or a little over 0.50" albeit with good onshore flow trajectories. Ensembles show a few solutions with heavier rain Thu night/Fri (such as over 1/2" in the Inland Empire, mainly ENS, not GEFS) but most of the solutions have light amounts. Given that the moisture does not really increase much until after that first trough passage, amounts will likely stay below 1/2" at lower elevations (probably less than 1/10" in San Diego County coast/valleys) with local amounts over 1" in the orographic south/southwest slopes of San Bernardino County. The snow level could start at as low as 5000-6000 feet Thu (when minimal precipitation will occur), but warmer air will move into the region after the trough passage late Thu night/early Fri and lift the snow level to 7000+ feet.

With occasional waves moving around the base of the long-wave trough this weekend into early next week, it is difficult to time any precipitation then. Saturday most likely looks dry, but around 20% of ensemble solutions show light precip, mainly north of San Diego County. Ensembles generally agree with another period of mostly light precipitation Sunday/Sunday night with amounts similar to the Thu night/Fri wave, or possibly even a bit more given that we will have more precipitable water then, probably 0.75"-1.00". We will likely remain under a troughing pattern Mon-Wednesday next week, so more precipitation chances look rather low after early Mon, though there is a hint of another wave or possibly even a closed low in our area around Thu of next week.

Marine
No hazardous marine weather conditions are expected through Sunday.

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

NOAA San Diego CA Office: Watches - Warnings - Advisories
CA...None. PZ...None.