Heavy rain across the eastern U.S.

Low pressure will weaken some as it heads to the Northeast U.S. tomorrow, but still will be capable of producing areas of heavy rain from the Mid-Atlantic to New England. Severe thunderstorms are possible in the central Plains and Lower Mississippi Valley over the next couple of days. More widespread severe storms are possible in the southern Plains by the end of the week.
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Last Update: 227 PM PDT MON APR 24 2017

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17NM SW San Francisco CA

Marine Zone Forecast


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

WEST AND NORTHWEST FLOW WILL PREVAIL OVER THE COASTAL WATERS AS HIGH PRESSURE REMAINS OFF THE COAST. WINDS WILL BE LOCALLY STRONG MAINLY SOUTH OF MONTEREY BAY NEAR THE COAST. WINDS AND SEAS WILL INCREASE WEDNESDAY NIGHT INTO THURSDAY AS HIGH PRESSURE STRENGTHENS OVER THE EASTERN PACIFIC RESULTING IN A TIGHTER PRESSURE GRADIENT ACROSS THE COASTAL WATERS.

Tonight
NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 7 to 9 ft at 11 seconds. Slight chance of rain in the evening.
Tue
NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 6 to 8 ft at 10 seconds.
Tue Night
NW winds 10 to 20 kt...decreasing to 5 to 15 kt after midnight. Wind waves 3 to 5 ft. W swell 5 to 7 ft at 10 seconds.
Wed
W winds 10 kt. Wind waves 2 ft or less. W swell 5 to 6 ft at 12 seconds. Slight chance of rain in the morning.
Wed Night
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 6 to 8 ft at 16 seconds and southwest 3 ft at 16 seconds.
Thu
NW winds 20 to 30 kt. Wind waves 4 to 6 ft. W swell 8 to 10 ft...shifting to the northwest 10 to 13 ft.
Fri
NW winds 20 to 30 kt. Wind waves 4 to 6 ft. NW swell 9 to 12 ft.
Sat
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 6 to 8 ft. .....san francisco bar/fourfathom bank forecast..... in the deep water channel...combined seas 5 to 7 ft with a dominant period of 11 seconds. across the bar...combined seas 5 to 7 ft with a dominant period of 11 seconds. Maximum ebb current of 1.6 knots at 02:42 am tuesday and 1.4 knots at 03:06 pm tuesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 5 TO 7 FT WITH A DOMINANT PERIOD OF 11 SECONDS. ACROSS THE BAR...COMBINED SEAS 5 TO 7 FT WITH A DOMINANT PERIOD OF 11 SECONDS. MAXIMUM EBB CURRENT OF 1.6 KNOTS AT 02:42 AM TUESDAY AND 1.4 KNOTS AT 03:06 PM TUESDAY.
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ABOUT THIS FORECAST

Last Update: 227 PM PDT MON APR 24 2017
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