National Weather Service United States Department of Commerce

Major nor'easter to affect northeastern U.S.

The stage is being set for a major nor'easter to affect parts of the Northeast Monday through Wednesday. This system will be responsible for heavy snowfall and strong winds, with blizzard conditions possible along coastal areas from New Jersey to Massachusetts. Blizzard Warnings are in effect along the coast from central New Jersey to the Canadian border.
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Last Update: 123 PM PST SUN JAN 25 2015

View Nearby Observations

Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island

Marine Zone Forecast





  • SynopsisAT 100 PM...A 1030 MB HIGH WAS OVER THE GREAT SALT LAKE AND A 1016 MB LOW WAS OVER ENSENADA MEXICO. MODERATE OFFSHORE FLOW GRADUALLY WEAKENING THROUGH MONDAY. A NORTHWEST SWELL OF 4 TO 7 FEET WITH A PERIOD OF 15 SECONDS WILL PERSIST OVER THE COASTAL WATERS THROUGH MONDAY.
  • Tonight Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 4 to 6 ft at 15 seconds.
  • Mon Wind SE 10 kt with gusts to 15 kt in the morning... Becoming variable less than 10 kt. Wind waves 2 ft or less. Swell W 4 to 6 ft at 15 seconds. Slight chance of showers in the morning...then chance of showers in the afternoon.
  • Mon Night Wind W 10 kt with gusts to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Swell W 4 to 6 ft at 15 seconds. Chance of showers in the evening... Then slight chance of showers after midnight.
  • Tue Wind SE 10 kt. Wind waves 2 ft or less. Swell W 4 to 6 ft at 14 seconds.
  • Tue Night Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 3 to 5 ft at 14 seconds.
  • Wed Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 3 to 5 ft.
  • Wed Night Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 3 to 4 ft.
  • Thu Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 2 to 3 ft.
  • Thu Night Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 2 to 4 ft.
  • Fri Wind variable less than 10 kt...becoming SE 10 kt in the afternoon. Wind waves 2 ft or less. Swell W 3 to 5 ft.
  • Fri Night Wind variable less than 10 kt. Wind waves 2 ft or less. Swell W 3 to 5 ft.



Additional Forecasts and Information

Zone Area Forecast for Waters from San Mateo point to the Mexican Border Extending 30 to 60 nm out including San Clemente Island
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