Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Last Update: 200 AM PST Thu Jan 22 2026

View Nearby Observations

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Today

NW wind around 5 kt, rising to 5 to 10 kt late. Seas 3 to 4 ft. Wave detail: SW 2 ft at 11 seconds and W 4 ft at 12 seconds.

Tonight

NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: W 5 ft at 10 seconds and SW 2 ft at 15 seconds. Patchy dense fog.

Fri

N wind around 5 kt, backing to NW in the afternoon. Seas 4 to 6 ft. Wave detail: W 5 ft at 9 seconds.

Fri Night

N wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: W 5 ft at 10 seconds.

Sat

N wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: W 5 ft at 13 seconds.

Sat Night

N wind 5 to 10 kt, veering to NE after midnight. Seas 3 to 5 ft. Wave detail: W 4 ft at 14 seconds.

Sun

E wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 13 seconds.

Sun Night

E wind around 5 kt. Seas around 3 ft. Wave detail: W 3 ft at 12 seconds.

Mon

E wind 5 to 10 kt. Seas around 3 ft. Wave detail: W 3 ft at 11 seconds.

Mon Night

E wind around 5 kt, rising to 5 to 10 kt after midnight. Seas around 3 ft. Wave detail: W 3 ft at 13 seconds.

.....san francisco bar/fourfathom bank forecast.....

in the deep water channel...mixed seas of 3 to 4 feet at 14 seconds.

across the bar...mixed seas of 4 to 5 feet at 14 seconds. Maximum ebb current of 2.0 kt at 06:41 am thursday and 3.0 kt at 06:32 pm thursday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 4 feet at 14 seconds. ACROSS THE BAR...Mixed seas of 4 to 5 feet at 14 seconds. Maximum ebb current of 2.0 kt at 06:41 AM Thursday and 3.0 kt at 06:32 PM Thursday.