National Weather Service United States Department of Commerce

Flash flooding threat continues from the Great Basin across the southern Plains

The wet pattern in place will continue from the Great Basin across the central and southern Rockies into the southern Plains into Wednesday. Ample monsoonal moisture with a frontal boundary in place will allow for shower and thunderstorm development with locally heavy rainfall at times. The heavier showers could lead to flash flooding in some areas, especially urban areas and burn scars.
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Last Update: 249 AM PDT WED JUL 30 2014

View Nearby Observations

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

Marine Zone Forecast

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST.....



  • SynopsisHIGH PRESSURE OVER THE EASTERN PACIFIC WILL MAINTAIN NORTHERLY FLOW ALONG THE CENTRAL COAST. WINDS WILL BE LOCALLY GUSTY NORTH OF POINT REYES TODAY. THE SEA STATE WILL CONTINUE TO BE GENTLE THROUGH THE REMAINDER OF THE WEEK.
  • Today W winds 10 kt. Wind waves 2 ft or less. NW swell 3 to 5 ft at 8 seconds. Patchy fog in the morning. Slight chance of thunderstorms in the morning.
  • Tonight W winds 10 kt. Wind waves 2 ft or less. NW swell 2 to 4 ft at 8 seconds. Patchy fog after midnight.
  • Thu W winds 10 kt. Wind waves 2 ft or less. NW swell 2 to 4 ft at 8 seconds. Patchy fog in the morning.
  • Thu Night W winds 10 kt. Wind waves 2 ft or less. NW swell 3 to 5 ft at 8 seconds. Patchy fog after midnight.
  • Fri W winds 10 to 20 kt. Wind waves 2 to 4 ft. NW swell 4 to 6 ft at 8 seconds. Patchy fog.
  • Sat W winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 4 to 6 ft. Patchy fog.
  • Sun W winds 10 kt. Wind waves 2 ft or less. NW swell 4 to 6 ft. Patchy fog.

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

    in the deep water channel...combined seas 2 to 4 feet with a dominant swell period of 14 seconds.

    across the bar...combined seas 3 to 5 feet with a dominant swell period of 14 seconds. Maximum ebb current of 1.9 knots at 06:39 am wednesday and 1.3 knots at 07:08 pm wednesday.




.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 2 TO 4 FEET WITH A DOMINANT SWELL PERIOD OF 14 SECONDS. ACROSS THE BAR...COMBINED SEAS 3 TO 5 FEET WITH A DOMINANT SWELL PERIOD OF 14 SECONDS. MAXIMUM EBB CURRENT OF 1.9 KNOTS AT 06:39 AM WEDNESDAY AND 1.3 KNOTS AT 07:08 PM WEDNESDAY.

Additional Forecasts and Information

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