National Weather Service United States Department of Commerce

Much needed precipitation continues across the Southwest; central and eastern U.S. prepare for more winter weather

Widespread and much-needed precipitation across the Southwest will begin to spread into the Plains through Saturday. As the moisture encounters an Arctic airmass dropping down through the north-central U.S., moderate to heavy snow is expected to develop across the Midwest Saturday and then move into portions of the Mid-Atlantic and Northeast on Sunday.
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Last Update: 300 PM CHST SAT JAN 31 2015

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Guam Coastal Waters

Marine Zone Forecast





  • SynopsisMODERATE TO FRESH NORTHEAST WINDS WILL PERSIST THE NEXT FEW DAYS. COMBINED SEAS OF 5 TO 7 FEET ARE EXPECTED TO BUILD TO 7 TO 9 FEET ON MONDAY.
  • Tonight Northeast wind 15 to 20 kt. Wind waves 3 to 4 ft. East swell 4 to 6 ft.
  • Sunday Northeast wind 15 to 20 kt. Wind waves 3 to 4 ft. East swell 4 to 6 ft and north 3 ft.
  • Sunday Night Northeast wind 15 to 20 kt. Wind waves 3 to 5 ft. East swell 3 to 5 ft and north 4 ft.
  • Monday Northeast wind 15 to 20 kt. Wind waves 3 to 5 ft. East swell 5 to 7 ft and north 4 ft.
  • Monday Night And Tuesday Northeast wind 20 kt. Wind waves 4 to 6 ft. East swell 4 to 6 ft and north 5 ft.
  • Wednesday Northeast wind 15 to 20 kt. Wind waves 4 to 5 ft. Mixed swell east 4 to 6 ft and north 5 to 6 ft.
  • Thursday Northeast wind 20 kt. Wind waves 4 to 6 ft. Mixed swell east 6 ft and north 6 ft.



Additional Forecasts and Information

Zone Area Forecast for Guam Coastal Waters
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