Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Last Update: 821 PM PDT Wed Apr 8 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

Tonight

W wind 5 to 10 kt, becoming SW after midnight. Seas around 3 ft. Wave detail: W 3 ft at 7 seconds and SW 2 ft at 14 seconds. Patchy dense fog late this evening and overnight.

Thu

S wind around 5 kt, rising to 5 to 10 kt in the afternoon. Seas around 3 ft. Wave detail: W 3 ft at 9 seconds and S 2 ft at 14 seconds. Patchy dense fog in the morning. A slight chance of showers.

Thu Night

SW wind 5 to 10 kt. Seas around 3 ft. Wave detail: W 3 ft at 8 seconds and S 2 ft at 14 seconds. A chance of showers in the evening, then showers likely after midnight.

Fri

S wind around 5 kt, rising to around 10 kt in the afternoon. Seas 3 to 4 ft. Wave detail: W 3 ft at 12 seconds and SW 2 ft at 14 seconds. Showers likely. A slight chance of tstms in the afternoon.

Fri Night

SW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: SW 3 ft at 7 seconds and NW 2 ft at 12 seconds. A slight chance of tstms in the evening. Showers likely.

Sat

SW wind 10 to 15 kt, rising to 20 to 25 kt in the afternoon. Seas 3 to 5 ft. Wave detail: SW 4 ft at 6 seconds and W 3 ft at 11 seconds. Showers likely in the morning, then showers in the afternoon.

Sat Night

W wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 5 to 7 ft. Wave detail: W 7 ft at 7 seconds. Rain likely.

Sun

W wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: W 6 ft at 10 seconds and SW 2 ft at 15 seconds. A chance of rain.

Sun Night

NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: W 6 ft at 10 seconds and SW 2 ft at 14 seconds.

Mon

NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: W 5 ft at 10 seconds and S 2 ft at 15 seconds.

Mon Night

NW wind 15 to 20 kt. Seas 3 to 5 ft. Wave detail: W 5 ft at 9 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 13 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 0.6 kt at 10:59 pm wednesday and 1.7 kt at 09:07 am thursday.

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 13 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 0.6 kt at 10:59 PM Wednesday and 1.7 kt at 09:07 AM Thursday.