National Weather Service United States Department of Commerce

Severe Storms and Heavy Rain Possible Later This Afternoon Into Tonight

A few severe storms with damaging winds and large hail are expected later today from parts of Illinois into lower Michigan. A somewhat longer-duration severe storm threat is expected this afternoon into tonight from the Kansas/Oklahoma border region into southern Missouri, where a couple tornadoes will also be possible.
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26NM S San Francisco CA

Marine Point Forecast [NOTICE]

Tonight

Patchy Fog

NW 10ktWinds Decreasing
5ft

Tuesday

Patchy Fog

Winds IncreasingW 6kt
4ft

Tuesday
Night

Patchy Fog

SW 9kt
4ft

Wednesday

Patchy Fog

S 7kt
4ft

Wednesday
Night

Patchy Fog

S 7kt
4-5ft

Thursday

Patchy Fog

S 8kt
3-4ft

Thursday
Night

Patchy Fog

SW 7kt
3ft

Friday

Patchy Fog

Light Wind
4ft

Friday
Night

Patchy Fog

WSW 8ktWinds Decreasing
4ft

Associated Zone Forecast which includes this point

Last Update: 1:07 pm PDT Sep 1, 2014
Forecast Valid: 5pm PDT Sep 1, 2014-6pm PDT Sep 8, 2014

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Detailed Forecast



  • SynopsisNORTHWEST WINDS WILL CONTINUE TONIGHT OVER THE OUTER COASTAL WATERS. THESE WINDS DECREASE TOMORROW AS A THERMAL TROUGH DEVELOPS OVER THE CALIFORNIA COAST.
  • Tonight NW wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Patchy fog after 11pm. Mixed swell...WNW 4 ft at 8 seconds and SW 2 ft at 14 seconds. Wind waves around 1 ft.
  • Tuesday Variable winds less than 5 kt becoming W around 6 kt in the afternoon. Patchy fog before 11am. Mixed swell...WNW 4 ft at 8 seconds and SW 2 ft at 14 seconds. Wind waves around 1 ft.
  • Tuesday Night W wind 5 to 9 kt becoming SSW after midnight. Patchy fog after 11pm. Mixed swell...WNW 4 ft at 9 seconds and SW 2 ft at 14 seconds. Wind waves around 1 ft.
  • Wednesday S wind around 7 kt. Patchy fog before 11am. Mixed swell...WNW 4 ft and SW 2 ft. Wind waves around 1 ft.
  • Wednesday Night S wind 5 to 7 kt. Patchy fog after 11pm. Mixed swell...WNW 4 ft and SW 1 to 2 ft. Wind waves around 1 ft.
  • Thursday S wind around 8 kt. Patchy fog before 11am. Mixed swell...WNW 3 to 4 ft and SW 1 ft. Wind waves around 1 ft.
  • Thursday Night SW wind 5 to 7 kt. Patchy fog after 11pm. Mixed swell...WNW 2 ft and SW 2 ft. Wind waves around 1 ft.
  • Friday Variable winds 5 kt or less. Patchy fog before 11am. Mixed swell...WNW 3 ft and SW 3 ft. Wind waves around 1 ft.
  • Friday Night WSW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Patchy fog after 11pm. Mixed swell...WNW 2 to 3 ft and SW 3 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 4 TO 5 FEET WITH A DOMINANT SWELL PERIOD OF 12 SECONDS. ACROSS THE BAR...COMBINED SEAS 4 TO 6 FEET WITH A DOMINANT SWELL PERIOD OF 12 SECONDS. MAXIMUM EBB CURRENT OF 1.8 KNOTS AT 08:38 PM MONDAY AND 0.9 KNOTS AT 10:38 AM TUESDAY.

*Notices:
  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.