Severe Thunderstorms Possible for the Central Gulf Coast; More Storms Move into the West

Strong to severe thunderstorms will be possible over the next several days along the central Gulf Coast and portions of the southeast. Storms may contain damaging winds, large hail and isolated tornadoes. Meanwhile, more storms will bring heavy rain, with heavy snow in the mountains to California and the southern Rockies through the weekend.
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Last Update: 922 AM PST FRI JAN 20 2017

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66NM SSW Point Arena CA

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

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

STRONG SOUTHERLY GALE FORCE WINDS WILL CONTINUE ACROSS THE COASTAL WATERS THROUGH THIS MORNING AHEAD OF AN APPROACHING COLD FRONT. AS A RESULT ROUGH AND HAZARDOUS SEAS WILL CONTINUE THROUGH TODAY. AFTER THE FRONT PASSES THIS MORNING WINDS WILL SHIFT TO THE WEST BUT REMAIN MODERATE AND GUSTY. WINDS WILL INCREASE AGAIN SATURDAY NIGHT AS ANOTHER FRONTAL SYSTEM APPROACHES. VERY LARGE SWELLS ARRIVE FRIDAY AFTERNOON WITH SWELL HEIGHTS BUILDING TO 25 TO 30 FEET FRIDAY NIGHT AND SATURDAY. ROGUE WAVES OF 30 FEET OR GREATER ARE POSSIBLE DURING THIS TIMEFRAME.

Today
W winds 15 to 25 kt. Wind waves 4 to 6 ft. W swell 16 to 19 ft at 17 seconds. Showers late in the morning. Slight chance of thunderstorms through the day. Chance of showers in the afternoon.
Tonight
W winds 15 to 25 kt. Wind waves 4 to 6 ft. W swell 22 to 25 ft at 17 seconds. Chance of showers and slight chance of thunderstorms.
Sat
W winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 26 to 28 ft at 18 seconds. Chance of showers in the morning...then slight chance of showers in the afternoon.
Sat Night
S winds 20 to 30 kt. Wind waves 5 to 7 ft. W swell 18 to 21 ft at 18 seconds. Rain.
Sun
SW winds 20 to 30 kt. Gusts up to 45 kt. Wind waves 6 to 8 ft...decreasing to 3 to 4 ft. W swell 14 to 16 ft at 17 seconds. Chance of rain in the morning...then rain likely in the afternoon. Chance of showers.
Mon
W winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 16 to 19 ft...increasing to 20 to 22 ft. Chance of showers.
Tue
NE winds 10 to 20 kt. Wind waves 2 to 4 ft. NW swell 17 to 20 ft...decreasing to 11 to 14 ft. Slight chance of showers.
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ABOUT THIS FORECAST

Last Update: 922 AM PST FRI JAN 20 2017
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