
Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic
Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >
Last Update: 254 AM PDT Fri Jul 3 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Today
SW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 9 seconds. Areas of fog early this morning, then patchy fog late this morning and afternoon.
Tonight
W wind 5 to 10 kt, easing to around 5 kt after midnight. Seas 3 to 5 ft. Wave detail: W 4 ft at 8 seconds. Patchy fog in the evening, then areas of fog after midnight.
Independence Day
SW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: W 4 ft at 8 seconds. Areas of fog in the morning. Patchy fog in the afternoon.
Sat Night
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 8 seconds. Patchy fog.
Sun
SW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: W 4 ft at 9 seconds. Patchy fog.
Sun Night
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 9 seconds and SW 2 ft at 14 seconds. Patchy fog.
Mon
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 9 seconds and SW 2 ft at 17 seconds. Patchy fog.
Mon Night
NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: W 4 ft at 9 seconds.
Tue
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 8 seconds.
Tue Night
NW wind 15 to 20 kt. Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Wave detail: NW 6 ft at 8 seconds.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 3 to 5 ft 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 3.0 kt at 06:51 am friday and 1.2 kt at 08:12 pm friday.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 3 to 5 ft 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 3.0 kt at 06:51 am friday and 1.2 kt at 08:12 pm friday.
.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 ft 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 3.0 kt at 06:51 AM Friday and 1.2 kt at 08:12 PM Friday.
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