National Weather Service United States Department of Commerce

Severe weather possible for parts of Midwest, northern Plains, central Oregon

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon & evening for three areas across the central & western U.S.: one are extends from the central Plains east-northeastward into lower Michigan; another across parts of the northern Plains and the third across parts of central Oregon. Damaging wind & large hail will be the main threats for all three areas.
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Last Update: 204 PM PDT TUE JUL 22 2014

View Nearby Observations

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

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH
LATE WEDNESDAY NIGHT........SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST.....



  • SynopsisLIGHT WINDS OVER THE COASTAL WATERS WILL CONTINUE THROUGH TOMORROW MORNING DUE TO A WEAK PRESSURE GRADIENT. TOMORROW AFTERNOON NORTHWEST WINDS INCREASE AS HIGH PRESSURE STRENGTHENS OVER THE EASTERN NORTH PACIFIC.
  • Tonight W winds 10 kt. Wind waves 3 ft in the evening... Becoming 2 ft or less. W swell 2 to 4 ft at 10 seconds. Patchy fog after midnight.
  • Wed NW winds 5 kt...increasing to 5 to 15 kt in the afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. W swell 2 to 4 ft at 10 seconds. Patchy fog in the morning.
  • Wed Night NW winds 15 to 25 kt. Wind waves 3 to 6 ft. NW swell 4 to 6 ft at 7 seconds. Patchy fog after midnight.
  • Thu NW winds 10 to 20 kt. Wind waves 3 to 5 ft. NW swell 5 to 7 ft at 8 seconds. Patchy fog in the morning.
  • Thu Night NW winds 10 to 20 kt. Wind waves 3 to 4 ft. NW swell 5 to 7 ft at 9 seconds. Patchy fog after midnight.
  • Fri W winds 5 to 15 kt. Wind waves 3 to 4 ft. NW swell 4 to 6 ft. Patchy fog.
  • Sat W winds 5 to 15 kt. Wind waves 2 ft or less...becoming 3 ft. NW swell 3 to 5 ft. Patchy fog.
  • Sun W winds 5 to 15 kt. Wind waves 2 ft or less...becoming 3 ft. NW swell 3 to 5 ft. Patchy fog.

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

    in the deep water channel...combined seas 2 to 3 feet with a dominant swell period of 11 seconds.

    across the bar...combined seas 2 to 4 feet with a dominant swell period of 11 seconds. Maximum ebb current of 2.1 knots at 01:41 am wednesday and 1.1 knots at 02:17 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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