Storm Moving Through the Upper Midwest to the Northeast

Heavy rain and the potential for strong thunderstorms along and east of the Appalachians will precede a cold front, while snow showers will fall behind the front in the Ohio Valley, Upper Midwest and Great Lake States. Rain-on-snow flooding is possible in portions of New England and New York State. Rain and high elevation snow will return to the west.
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Last Update: 906 AM PST SAT FEB 25 2017

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13NM W San Francisco CA

Marine Zone Forecast


Synopsis: GREATER FARALLONES...AND CORDELL BANK NATIONAL MARINE SANCTUARIES...

LOW PRESSURE SLIDING DOWN THE CALIFORNIA COAST TODAY WILL BRING MODERATE TO FRESH SOUTHERLY WINDS FOR THE OUTER WATER WITH RESULTANT SEAS. THIS WILL EXIT QUICKLY TONIGHT. ANOTHER SYSTEM WILL CLIP THE AREA SUNDAY NIGHT WITH MODERATE TO FRESH NORTHERLY CONDITIONS. MONDAY ONWARD CONDITIONS LOOK TO REMAIN MODERATE TO FRESH WITH POSSIBLE NEAR GALE CONDITIONS BY LATE IN THE WEEK. NO SIGNIFICANT SWELL TRAINS ARE EXPECTED THROUGH THE WEEK.

Today
SE winds 10 kt. Wind waves 2 ft or less. W swell 4 to 6 ft at 14 seconds. Chance of showers.
Tonight
SW winds 5 to 15 kt...becoming northwest after midnight. Wind waves 3 to 4 ft. W swell 3 to 5 ft at 15 seconds. Showers likely in the evening, then slight chance of showers after midnight.
Sun
NE winds 10 kt...becoming northwest in the afternoon. Wind waves 2 ft or less. W swell 3 to 5 ft at 15 seconds. Slight chance of showers in the afternoon.
Sun Night
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 3 to 5 ft at 17 seconds. Chance of showers.
Mon
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 3 to 5 ft at 15 seconds. Chance of showers in the morning. Slight chance of showers.
Tue
NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 4 to 6 ft.
Wed
NW winds 10 to 20 kt. Wind waves 2 to 4 ft. NW swell 3 to 4 ft. .....san francisco bar/fourfathom bank forecast..... in the deep water channel...combined seas 4 to 6 ft at 15 seconds. across the bar...maximum ebb current of 1.8 knots at 02:54 pm saturday and 1 knots at 03:48 am sunday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 4 TO 6 FT AT 15 SECONDS. ACROSS THE BAR...MAXIMUM EBB CURRENT OF 1.8 KNOTS AT 02:54 PM SATURDAY AND 1 KNOTS AT 03:48 AM SUNDAY.
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ABOUT THIS FORECAST

Last Update: 906 AM PST SAT FEB 25 2017
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