National Weather Service United States Department of Commerce

Winter weather forecast for Rockies and southern Plains

A developing storm system will bring snow to parts of the Rockies and southern Plains on Friday, which will move into the central U.S. on Saturday. Freezing rain is also forecast from Texas to the mid-Mississippi Valley and into the Carolinas. Meanwhile, temperatures will be 20-40 degrees below normal across parts of the central and southern U.S. on Friday.
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Last Update: 240 AM PST FRI FEB 27 2015

View Nearby Observations

Coastal Waters from Point Reyes to Pigeon Point California out to 10 nm

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...



  • SynopsisGUSTY NORTHWESTERLY WINDS WILL PERSIST TODAY AHEAD OF AN APPROACHING PACIFIC STORM SYSTEM...RESULTING IN POOR SEA CONDITIONS. THE STORM SYSTEM WILL BRING A POSSIBILITY OF SHOWERS AND THUNDERSTORMS TO THE COASTAL WATERS BEGINNING THIS AFTERNOON LASTING INTO SATURDAY EVENING. WINDS WILL DECREASE AND SEA CONDITIONS WILL IMPROVE FOR A MAJORITY OF THE WATERS BY SATURDAY AFTERNOON AS THE CENTER OF THE STORM SYSTEM PASSES ALONG THE CALIFORNIA COAST.
  • Today NW winds 15 to 25 kt. Wind waves 3 to 6 ft. NW swell 6 to 8 ft at 9 seconds. Slight chance of showers through the day.
  • Tonight NW winds 15 to 25 kt. Wind waves 3 to 6 ft. NW swell 7 to 9 ft at 9 seconds. Chance of showers.
  • Sat NW winds 10 to 20 kt...decreasing to 10 kt in the afternoon. Wind waves 2 to 4 ft. NW swell 6 to 8 ft at 9 seconds. Chance of showers through the day. Slight chance of thunderstorms in the afternoon.
  • Sat Night N winds 10 kt. Wind waves 2 ft or less. NW swell 5 to 7 ft at 10 seconds. Slight chance of thunderstorms in the evening...then slight chance of showers after midnight.
  • Sun W winds 10 kt. Wind waves 2 ft or less. NW swell 5 to 7 ft at 10 seconds.
  • Mon NW winds 15 to 25 kt. Wind waves 3 to 6 ft. NW swell 5 to 7 ft. Slight chance of showers.
  • Tue NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 5 to 7 ft. SW swell 3 ft. Slight chance of showers.

    .....san francisco bar/fourfathom bank forecast.....

    in the deep water channel...combined seas 6 to 8 feet with a dominant swell period of 9 seconds.

    across the bar...combined seas 7 to 9 feet with a dominant swell period of 9 seconds. Maximum ebb current of 1.6 knots at 10:47 am this morning and 1.2 knots at 11:48 pm this evening.




.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 6 TO 8 FEET WITH A DOMINANT SWELL PERIOD OF 9 SECONDS. ACROSS THE BAR...COMBINED SEAS 7 TO 9 FEET WITH A DOMINANT SWELL PERIOD OF 9 SECONDS. MAXIMUM EBB CURRENT OF 1.6 KNOTS AT 10:47 AM THIS MORNING AND 1.2 KNOTS AT 11:48 PM THIS EVENING.

Additional Forecasts and Information

Zone Area Forecast for Coastal Waters from Point Reyes to Pigeon Point California out to 10 nm
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