Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Hazardous Weather Conditions

Marine Weather Statement

Last Update: 857 PM PDT Thu Apr 9 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Tonight

S wind around 5 kt. Seas 3 to 4 ft. Wave detail: W 3 ft at 13 seconds and S 2 ft at 14 seconds. A chance of showers late this evening and early morning. A slight chance of tstms after midnight. Showers likely late.

Fri

S wind 10 to 15 kt. Seas 3 to 4 ft. Wave detail: SW 3 ft at 7 seconds and W 3 ft at 12 seconds. Showers likely with a slight chance of tstms.

Fri Night

SW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: SW 4 ft at 6 seconds and NW 2 ft at 13 seconds. A slight chance of tstms in the evening. Showers likely.

Sat

S wind 10 to 15 kt, rising to 20 to 25 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave detail: S 5 ft at 5 seconds and NW 2 ft at 12 seconds. Showers likely in the morning, then showers with a slight chance of tstms in the afternoon.

Sat Night

SW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 5 to 7 ft, building to 7 to 9 ft after midnight. Wave detail: SW 8 ft at 7 seconds and NW 3 ft at 11 seconds. A slight chance of tstms. Showers.

Sun

SW wind 10 to 15 kt. Seas 6 to 8 ft. Wave detail: SW 7 ft at 9 seconds and W 6 ft at 10 seconds. Showers.

Sun Night

W wind 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave detail: W 5 ft at 10 seconds and SW 4 ft at 11 seconds. A chance of rain in the evening.

Mon

N wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave detail: W 5 ft at 10 seconds and SW 3 ft at 12 seconds.

Mon Night

NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 8 seconds and SW 2 ft at 15 seconds.

Tue

NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave detail: W 5 ft at 8 seconds.

Tue Night

NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds.

winds and seas higher in and near tstms.

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

in the deep water channel...mixed seas of 2 to 3 feet at 15 seconds.

across the bar...swell can be more than twice as high across the bar than surrounding waters. Waves are also more prone to break, particularly during strong ebb currents. Maximum ebb current of 0.7 kt at 11:56 pm thursday and 1.4 kt at 10:28 am friday.

Winds and seas higher in and near tstms. .....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 3 feet at 15 seconds. ACROSS THE BAR...Swell can be more than twice as high across the bar than surrounding waters. Waves are also more prone to break, particularly during strong ebb currents. Maximum ebb current of 0.7 kt at 11:56 PM Thursday and 1.4 kt at 10:28 AM Friday.