National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the Pacific Northwest through late Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Hazardous Weather Conditions

Last Update: 930 AM CST SUN DEC 21 2014

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Breton Sound

Marine Zone Forecast

SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE HIGHEST TEN PERCENT OF THE WAVES.


  • SynopsisHIGH PRESSURE CENTERED OVER THE OHIO VALLEY WILL RIDGE INTO THE NORTH GULF TODAY BEFORE DRIFTING EASTWARD MONDAY. A STRONG COLD FRONT WILL MOVE ACROSS THE COASTAL WATERS TUESDAY NIGHT. COLD HIGH PRESSURE WILL THEN BUILD INTO THE GULF OF MEXICO THROUGH WEDNESDAY BEFORE SETTLING OVER THE GULF STATES THURSDAY.
  • Today Northeast winds 10 to 15 knots. Waves 2 to 3 feet dominant period 2 seconds. Slight chance of showers in the afternoon.
  • Tonight Southeast winds 5 to 10 knots. Waves 1 to 2 feet dominant period 2 seconds. Slight chance of showers.
  • Monday South winds 5 to 10 knots. Waves 1 to 2 feet dominant period 2 seconds.
  • Monday Night South winds 10 to 15 knots. Waves 2 to 3 feet dominant period 2 seconds. Chance of showers through the night. Slight chance of thunderstorms after midnight.
  • Tuesday South winds 15 to 20 knots. Waves 3 to 4 feet dominant period 3 seconds. Chance of showers and thunderstorms in the morning...then showers and thunderstorms likely in the afternoon.
  • Tuesday Night Southwest winds 20 to 25 knots. Waves 3 to 5 feet with occasional waves to 6 feet dominant period 3 seconds. Chance of thunderstorms in the evening. Chance of showers through the night.
  • Wednesday Northwest winds 20 to 25 knots. Waves 3 to 5 feet with occasional waves to 6 feet.
  • Wednesday Night Northwest winds 20 to 25 knots. Waves 3 to 5 feet with occasional waves to 6 feet.
  • Thursday Northwest winds 10 to 15 knots becoming west near 5 knots late in the afternoon. Waves 3 to 4 feet subsiding to 1 to 2 feet in the afternoon.
  • Thursday Night West winds near 5 knots becoming south in the late evening. Waves 1 foot or less.



Additional Forecasts and Information

Zone Area Forecast for Breton Sound
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