Marine Weather Net

Point St. George to Point Arena between 150 and 250 NM Offshore Forecast


15 - 25


20 - 30


25 - 35


15 - 25

The Marine Weather Forecast In Detail:
PZZ920 Forecast Issued: 122 PM PST Thu Dec 01 2022

Tonight...N To Nw Winds 15 To 25 Kt, Becoming W To Nw 10 To 20 Kt. Seas 14 To 18 Ft. Scattered Showers.
Fri...Sw Winds 20 To 30 Kt. Seas 10 To 15 Ft.
Fri Night...Sw Winds 20 To 30 Kt, Becoming S To Sw 25 To 35 Kt. Seas 9 To 15 Ft. Scattered Showers.
Sat...S Winds 25 To 35 Kt, Becoming S To Sw 15 To 25 Kt. Seas 10 To 15 Ft. Rain. Scattered Tstms.
Sat Night...W To Sw Winds 15 To 25 Kt. Seas 10 To 14 Ft.
Sun...N To Nw Winds 10 To 20 Kt, Becoming W To Nw. Seas 8 To 14 Ft.
Sun Night...N Winds 10 To 20 Kt. Seas 6 To 11 Ft.
Mon...W To Nw Winds 10 To 20 Kt, Becoming N 5 To 15 Kt. Seas 5 To 8 Ft.
Mon Night...N Winds 5 To 15 Kt. Seas 4 To 6 Ft.
Tue...N Winds 5 To 15 Kt. Seas 4 To 6 Ft.
Tue Night...N Winds 5 To 15 Kt. Seas 4 To 6 Ft.
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Area Forecast Discussion
National Weather Service Eureka CA
229pm PST Thu Dec 1 2022

Clearing skies will aid in widespread freezing temperatures and frost tonight across Northwest California. Dry weather will then occur through Friday afternoon, followed by the approach of a storm system Saturday and Sunday. Gusty southeast winds will occur across much of the region during Saturday afternoon, while showers, coastal thunderstorms, and mountain snow develop Sunday.

Post frontal showers, some producing small hail, will gradually dissipate over NWRN CA this evening. Skies are then forecast to clear across much of the region tonight. Strong radiational cooling at the surface will subsequently yield cold Friday morning temperatures and widespread frost...including the coast. Thereafter, an upper low will move south across the NERN PAC, and an associated occluded frontal boundary will approach the NWRN CA coast. Southeast winds will strengthen ahead of the front, with peak gusts generally ranging from 20 to 40 mph across exposed terrain during Saturday afternoon.

A wave embedded within the previously mentioned upper low is forecast to rotate east-northeast toward NRN CA Saturday night. Moisture and modest low to midlevel WAA (Warm Air Advection - the movement of warm air) will spread northward across the region in response to the wave, and aid in the development of interior precipitation spreading northward, and frontal precipitation spreading eastward. Freezing levels across Trinity County will generally reside near 2500-3000 feet MSL. That will be sufficient for several inches of snow impacting highway passes and mountain roadways during Sunday. Otherwise, beneficial rainfall will occur across much of the region, and a few thunderstorms with small hail will be possible near the coast.

The upper low is forecast to linger over the region going into Monday, and then drift south away from the area by Tuesday. That process will favor dissipating shower activity and an increased potential for clear skies with additional periods of cold morning temperatures.


A large northwest swell will aid in the occurrence of small craft seas across all marine zones through Friday. Thereafter, a strong low pressure system will yield southerly gale force winds over the northern outer waters during Saturday. Weaker winds and lower seas are then forecast to occur during early to middle portions of next week.


.EKA WATCHES/WARNINGS/ADVISORIES... CA... Freeze Warning from midnight tonight to 9am PST Friday for CAZ101-103-109.

NORTHWEST CALIFORNIA COASTAL WATERS... Small Craft Advisory until 9am PST Friday for PZZ450-455- 475.

Small Craft Advisory until 1am PST Saturday for PZZ470.

Gale Watch from late Friday night through Saturday afternoon for PZZ470.