Accumulating Snowfall and Hazardous Travel Conditions From the Middle Atlantic to New England

A powerful low pressure system located off the New England coast will continue to bring accumulating snow from the New York City metro area to Boston with blizzard conditions likely over Cape Cod into tonight. In addition, a second storm system is expected to develop and intensify on Tuesday. This system will bring another round of snowfall accumulations from the Middle Atlantic to the northeast.
Read More...

Last Update: 901 AM PST MON FEB 8 2016

View Nearby Observations

13NM WNW San Francisco CA

Marine Zone Forecast


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

A LARGE RIDGE OF HIGH PRESSURE OVER THE WESTERN STATES WILL KEEP LIGHT WINDS ACROSS THE COASTAL WATERS TODAY. OFFSHORE WINDS WILL CONTINUE THROUGH TUESDAY MORNING AS THE SURFACE THERMAL TROUGH SHIFTS TO THE COAST. OFFSHORE WINDS WILL BE GUSTY IN THE VICINITY OF THE COASTAL MOUNTAIN GAPS. ONSHORE FLOW WILL RETURN TUESDAY AS THE HIGH WEAKENS. A LONG PERIOD SWELL WILL ARRIVE IN THE WATERS TODAY.

Today
E winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 3 to 5 ft at 19 seconds and W 3 to 4 ft at 12 seconds.
Tonight
E winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 6 to 8 ft at 15 seconds.
Tue
E winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 5 to 6 ft at 14 seconds.
Tue Night
NW winds 5 kt. Wind waves 2 ft or less. W swell 4 to 5 ft at 13 seconds.
Wed
NW winds 10 kt. Wind waves 2 ft or less. W swell 4 to 6 ft at 13 seconds.
Thu
NW winds 10 kt. Wind waves 2 ft or less. W swell 5 to 6 ft and W 4 to 6 ft.
Fri
NW winds 5 to 15 kt. Wind waves 1 to 3 ft...becoming 3 to 4 ft. Swell W 6 to 8 ft. Slight chance of rain. .....san francisco bar/fourfathom bank forecast..... in the deep water channel...combined seas 3 to 5 feet at 12 seconds...increasing to 4 to 6 feet at 18 seconds. across the bar...combined seas 3 to 5 feet at 12 seconds...increasing to 5 to 7 feet at 18 seconds. Maximum ebb current of 3.3 knots at 3:49 pm monday and 2.4 knots at 4:37 am tuesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 3 TO 5 FEET AT 12 SECONDS...INCREASING TO 4 TO 6 FEET AT 18 SECONDS. ACROSS THE BAR...COMBINED SEAS 3 TO 5 FEET AT 12 SECONDS...INCREASING TO 5 TO 7 FEET AT 18 SECONDS. MAXIMUM EBB CURRENT OF 3.3 KNOTS AT 3:49 PM MONDAY AND 2.4 KNOTS AT 4:37 AM TUESDAY.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 901 AM PST MON FEB 8 2016
  Forecast Discussion
  Get as KML  Get as XML

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data