National Weather Service United States Department of Commerce

Rain, thunderstorms possible for parts of Texas and Gulf Coast; additional rain and mountain snow forecast out West

A developing storm system will bring rain and thunderstorms across parts of South Texas and the western Gulf Coast on Thursday. Some of the thunderstorms that develop late Thursday night into Friday have the potential to be severe. Meanwhile, additional rainfall and mountain snow is forecast for northern California and the Pacific Northwest.
Read More...

6NM WNW San Francisco CA

Marine Point Forecast [NOTICE]

Tonight

Chance Rain

Winds IncreasingS 15kt
5ft

Friday

Rain Likely

SW 12kt
5ft

Friday
Night

Chance Showers

NNE 6ktWinds Decreasing
4ft

Saturday

Mostly Cloudy

Light Wind
7-8ft

Saturday
Night

Slight Chc Showers

S 12kt
7ft

Sunday

Partly Sunny

SSW 6kt
6ft

Sunday
Night

Partly Cloudy

WNW 11ktWinds Decreasing
6ft

Monday

Mostly Sunny

Light Wind
6ft

Monday
Night

Partly Cloudy

Light Wind
5-6ft

Associated Zone Forecast which includes this point

Last Update: 2:23 pm PST Dec 18, 2014
Forecast Valid: 9pm PST Dec 18, 2014-6pm PST Dec 25, 2014

View Nearby Observations

Detailed Forecast



  • SynopsisSOUTHERLY WINDS THIS EVENING AHEAD OF AN APPROACHING FRONT THAT WILL SPREAD RAIN OVER THE NORTHERN WATERS TONIGHT. RAIN WILL SPREAD SOUTHWARD FRIDAY MORNING AS A COLD FRONT PASSES THROUGH THE WATERS WITH WINDS TURNING WESTERLY. BEHIND THE FRONT LARGE NW SWELLS WILL BUILD INTO THE WEEKEND. BUILDING HIGH PRESSURE WILL BRING LIGHTER WINDS OVER THE WEEKEND. THE COMBINATION OF LARGE SEAS AND UNUSUALLY HIGH TIDES WILL CREATE HAZARDOUS SEAS OVER THE OCEAN AND NEAR THE COAST FOR MUCH OF THE WEEKEND.
  • Tonight Variable winds less than 5 kt becoming S 10 to 15 kt in the evening. A chance of rain, mainly after 10pm. Mixed swell...WNW 4 ft at 13 seconds and SW 2 ft at 15 seconds. Wind waves 1 to 2 ft.
  • Friday S wind 5 to 12 kt becoming SW in the morning. Rain likely. Mixed swell...W 5 ft at 13 seconds and W 2 ft at 15 seconds. Wind waves around 1 ft.
  • Friday Night NNE wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers. W swell 4 ft at 13 seconds building to at 18 seconds . Wind waves around 1 ft.
  • Saturday Variable winds 5 kt or less. Mostly cloudy. W swell 7 to 8 ft. Wind waves around 1 ft.
  • Saturday Night S wind 8 to 12 kt. A slight chance of showers. W swell 7 ft. Wind waves around 1 ft.
  • Sunday SSW wind around 6 kt. Partly sunny. W swell 6 ft. Wind waves around 1 ft.
  • Sunday Night WNW wind 6 to 11 kt becoming variable and less than 5 kt in the evening. Partly cloudy. W swell 6 ft. Wind waves around 1 ft.
  • Monday Variable winds 5 kt or less. Mostly sunny. W swell 6 ft. Wind waves around 1 ft.
  • Monday Night Variable winds 5 kt or less. Partly cloudy. W swell 5 to 6 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 6 TO 8 FEET WITH A DOMINANT SWELL PERIOD OF 13 SECONDS. ACROSS THE BAR...COMBINED SEAS 7 TO 9 FEET WITH A DOMINANT SWELL PERIOD OF 13 SECONDS. MAXIMUM EBB CURRENT OF 1 KNOT AT 1:10 AM FRIDAY MORNING AND 2.4 KNOTS AT 1:04 PM FRIDAY AFTERNOON.

*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.