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Colder temperatures for the central and eastern U.S.

A strong cold front has ushered below-normal temperatures to the eastern half of the country for the weekend. Freeze Warnings and Hard Freeze Warnings are in effect for the mid-South and mid-Atlantic.
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Hazardous Weather Conditions

Last Update: 246 AM PDT SAT MAR 28 2015

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17NM SW San Francisco CA

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

Synopsis: A STRONG NORTHERLY SURFACE PRESSURE GRADIENT WILL MAINTAIN MODERATE NORTHWESTERLY WINDS ACROSS A MAJORITY OF THE COASTAL WATERS THROUGH MID WEEK. THESE GUSTY NORTHWESTERLY WINDS WILL GENERATE STEEP FRESH SWELL. A MODERATE PERIOD WESTERLY SWELL WILL BEGIN TO BUILD INTO THE WATERS SUNDAY NIGHT.

Today
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 6 to 8 ft at 10 seconds and SW 3 ft at 19 seconds. Patchy fog in the morning.
Tonight
NW winds 15 to 25 kt. Wind waves 3 to 6 ft. W swell 7 to 9 ft at 9 seconds and SW 3 ft at 18 seconds.
Sun
NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 8 to 10 ft at 9 seconds and SW 3 ft at 17 seconds.
Sun Night
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 7 to 9 ft at 13 seconds and SW 3 ft at 17 seconds.
Mon
NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 8 to 10 ft at 13 seconds and SW 3 ft at 15 seconds.
Tue
NW winds 20 to 30 kt. Wind waves 4 to 7 ft. W swell 9 to 11 ft. SW swell 3 ft.
Wed
NW winds 20 to 30 kt. Wind waves 4 to 7 ft. W swell 8 to 10 ft. .....san francisco bar/fourfathom bank forecast..... in the deep water channel...combined seas 6 to 8 feet with a dominant swell period of 10 seconds. across the bar...combined seas 7 to 9 feet with a dominant swell period of 10 seconds. Maximum ebb current of 1.3 knots at 11:14 am saturday morning and 1.2 knots at 12:31 am sunday morning.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 6 TO 8 FEET WITH A DOMINANT SWELL PERIOD OF 10 SECONDS. ACROSS THE BAR...COMBINED SEAS 7 TO 9 FEET WITH A DOMINANT SWELL PERIOD OF 10 SECONDS. MAXIMUM EBB CURRENT OF 1.3 KNOTS AT 11:14 AM SATURDAY MORNING AND 1.2 KNOTS AT 12:31 AM SUNDAY MORNING.

ABOUT THIS FORECAST

Last Update: 246 AM PDT SAT MAR 28 2015
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