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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Last Update: 227 PM PDT MON SEP 1 2014

View Nearby Observations

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

Marine Zone 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 winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 4 to 6 ft at 8 seconds and SW 3 ft at 14 seconds. Patchy fog after midnight.
  • Tue W winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 4 to 6 ft at 8 seconds and SW 3 ft at 14 seconds. Patchy fog in the morning.
  • Tue Night SW winds 10 kt. Wind waves 2 ft or less. NW swell 4 to 6 ft at 8 seconds and SW 3 ft at 14 seconds. Patchy fog after midnight.
  • Wed S winds 10 kt. Wind waves 2 ft or less. NW swell 4 to 6 ft at 10 seconds and SW 3 ft at 14 seconds. Patchy fog in the morning.
  • Wed Night S winds 10 kt. Wind waves 2 ft or less. NW swell 3 to 5 ft at 10 seconds and SW 3 ft at 14 seconds. Patchy fog after midnight.
  • Thu S winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 3 to 5 ft. SW swell 3 to 4 ft. Patchy fog.
  • Fri W winds 10 kt. Wind waves 2 ft or less. NW swell 3 to 5 ft and SW 3 to 5 ft. Patchy fog.
  • Sat W winds 10 kt. Wind waves 2 ft or less. NW swell 3 to 5 ft and SW 3 to 5 ft. Patchy fog.

    .....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.




.....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.

Additional Forecasts and Information

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