National Weather Service United States Department of Commerce

Unsettled weather in store for eastern U.S. into weekend

A complex weather system moving across the eastern U.S. will bring a variety of hazardous weather to the region on Friday and into the weekend. Much colder weather is expected by Saturday, along with numerous showers and accumulating snow in the higher elevations of the Appalachians. Rain and snow will move into northern New England on Sunday.
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26NM S San Francisco CA

Marine Point Forecast [NOTICE]

This
Afternoon

Showers

NW 13kt
4ft

Tonight

Showers Likely

Winds IncreasingWNW 11kt
5ft

Saturday

Chance Showers

WNW 13kt
5-7ft

Saturday
Night

Partly Cloudy

NW 12kt
8ft

Sunday

Sunny

NNW 6kt
7ft

Sunday
Night

Mostly Clear

NW 10kt
6ft

Monday

Mostly Sunny

Light Wind
4-5ft

Monday
Night

Partly Cloudy

NW 8kt
4-5ft

Tuesday

Mostly Sunny

Light Wind
5-6ft

Associated Zone Forecast which includes this point

Last Update: 2:51 am PDT Oct 31, 2014
Forecast Valid: 2pm PDT Oct 31, 2014-6pm PST Nov 6, 2014

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Detailed Forecast



  • SynopsisA COLD FRONT WILL GO ACROSS OUR WATERS TODAY LEADING TO SHOWERS AND POSSIBLE THUNDERSTORMS. WIND WILL BRIEFLY INCREASE WITH THE PASSAGE OF THE FRONT AS IT MOVES NORTHWEST TO SOUTHEAST. BEHIND THE FRONT LIGHTER NW WINDS ARE FORECAST BY THE EVENING. ON SATURDAY STRONGER NW WINDS AND BUILDING SEAS TO AROUND 10 FEET WILL DEVELOP CREATING SOME HAZARDOUS SEAS FOR THE START OF CRAB SEASON.
  • This Afternoon NW wind around 13 kt. Showers and possibly a thunderstorm. Mixed swell...W 4 ft at 15 seconds and SW 1 ft at 16 seconds. Wind waves around 2 ft.
  • Tonight Variable winds less than 5 kt becoming WNW 6 to 11 kt in the evening. Showers likely and possibly a thunderstorm. Some of the storms could produce small hail. Mixed swell...W 5 ft at 14 seconds and SW 1 ft at 15 seconds. Wind waves around 1 ft.
  • Saturday WNW wind 7 to 13 kt. A chance of showers. Mixed swell...W 7 ft at 12 seconds and SSW 1 ft at 14 seconds. Wind waves 1 to 2 ft.
  • Saturday Night NW wind 9 to 12 kt. Partly cloudy. Mixed swell...WNW 8 ft and SW 1 ft. Wind waves around 1 ft.
  • Sunday NNW wind around 6 kt. Sunny. Mixed swell...WNW 7 ft and SW 1 ft. Wind waves around 1 ft.
  • Sunday Night NW wind 7 to 10 kt. Mostly clear. Mixed swell...WNW 6 ft and SW 1 ft. Wind waves around 1 ft.
  • Monday Variable winds 5 kt or less. Mostly sunny. Mixed swell...WNW 4 to 5 ft and SW 1 ft. Wind waves around 1 ft.
  • Monday Night NW wind around 8 kt. Partly cloudy. Mixed swell...WNW 5 ft and SW 1 ft. Wind waves around 1 ft.
  • Tuesday Variable winds 5 kt or less. Mostly sunny. Mixed swell...WNW 6 ft and SW 1 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 2 TO 4 FEET WITH A DOMINANT SWELL PERIOD OF 12 SECONDS. ACROSS THE BAR...COMBINED SEAS 3 TO 5 FEET WITH A DOMINANT SWELL PERIOD OF 10 SECONDS. MAXIMUM EBB CURRENT OF 1.3 KNOTS AT 10:58 AM FRIDAY AND 1.6 KNOTS AT 10:08 PM FRIDAY.

*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.