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 West Coast through 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

11NM ESE Boston MA

Marine Point Forecast [NOTICE]

Overnight

Rain/Snow Likely

NNE 13kt
3ft

Low: 33 °F

Sunday

Rain/Snow Likely

NE 12kt
3ft

High: 40 °F

Sunday
Night

Chance Rain/Snow

NE 8kt
2ft

Low: 35 °F

Monday

Mostly Cloudy

NNE 7kt
2ft

High: 42 °F

Monday
Night

Slight Chc Showers

Winds IncreasingENE 6kt
2ft

Low: 40 °F

Tuesday

Chance Showers

E 9kt
2ft

High: 47 °F

Tuesday
Night

Chance Rain

E 11kt
2-3ft

Low: 45 °F

Wednesday

Rain

ESE 16kt
3-4ft

High: 57 °F

Wednesday
Night

Rain

SSE 17kt
3-4ft

Low: 48 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:41 pm EST Dec 20, 2014
Forecast Valid: 11pm EST Dec 20, 2014-6pm EST Dec 27, 2014

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Detailed Forecast



  • SynopsisHIGH PRES WILL REMAIN CENTERED ACROSS QUEBEC SUNDAY AND THEN WILL SHIFT OVER NOVA SCOTIA AND THE CANADIAN MARITIMES MON AND TUE. A RAPIDLY INTENSIFYING LOW PRES SYSTEM WILL THEN PASS WELL TO OUR WEST ACROSS THE GREAT LAKES WED INTO WED NIGHT. THIS WILL BRING A PERIOD OF STRONG WINDS AND HIGH SEAS TO THE WATERS. A FRONT FROM THIS LOW WILL CROSS THE WATERS THURSDAY.

    FOR INFORMATION ON POSSIBLE HAZARDOUS WEATHER BEYOND THE 24-36 HOUR FORECAST PERIOD...PLEASE VISIT WWW.WEATHER.GOV/BOSTON AND FOLLOW THE CURRENT HAZARDS LINK ABOVE THE MAP ON THE LEFT.
  • Overnight NNE wind 11 to 13 kt. Rain showers likely before 1am, then snow showers likely. Seas around 3 ft.
  • Sunday NE wind 8 to 12 kt. Snow showers likely before 11am, then rain showers likely. Seas around 3 ft.
  • Sunday Night NE wind around 8 kt becoming N after midnight. A chance of rain showers before midnight, then a slight chance of snow showers between midnight and 4am. Seas around 2 ft.
  • Monday NNE wind around 7 kt. Mostly cloudy. Seas around 2 ft.
  • Monday Night Variable winds less than 5 kt becoming ENE around 6 kt after midnight. A slight chance of showers. Seas around 2 ft.
  • Tuesday E wind 7 to 9 kt, with gusts as high as 20 kt. A chance of showers, mainly after 11am. Seas around 2 ft.
  • Tuesday Night E wind around 11 kt, with gusts as high as 25 kt. A chance of rain. Seas 2 to 3 ft.
  • Wednesday ESE wind 12 to 16 kt, with gusts as high as 33 kt. Rain. Seas 3 to 4 ft.
  • Wednesday Night SSE wind around 17 kt, with gusts as high as 37 kt. Rain. Seas 3 to 4 ft.

SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

*Notices:
  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.