National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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17NM SW Newport RI

Marine Point Forecast [NOTICE]

Overnight

Clear

NW 9kt
1-2ft

Low: 26 °F

Saturday

Increasing Clouds

NW 7ktWinds Decreasing
1ft

High: 40 °F

Saturday
Night

Slight Chc Showers

SSW 13kt
2-3ft

Low: 38 °F

Sunday

Partly Sunny

SW 16kt
4ft

High: 53 °F

Sunday
Night

Mostly Cloudy

SW 15kt
4ft

Low: 49 °F

Monday

Mostly Cloudy

WSW 13kt
3-4ft

High: 54 °F

Monday
Night

Mostly Cloudy

NW 13kt
2-3ft

Low: 32 °F

Tuesday

Mostly Sunny

N 13kt
2ft

High: 37 °F

Tuesday
Night

Mostly Cloudy

ENE 12kt
2ft

Low: 34 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:02 pm EST Nov 28, 2014
Forecast Valid: 2am EST Nov 29, 2014-6pm EST Dec 5, 2014

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Detailed Forecast



  • SynopsisHIGH PRES WILL BUILD ACROSS THE WATERS SAT...THEN E OF THE WATERS SUNDAY. A COLD FRONT WILL DROP DOWN ACROSS THE WATERS ON MON...THEN HIGH PRES RETURNS ON TUE AND MOVES EAST OF THE WATERS ON WEDNESDAY.

    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 NW wind around 9 kt. Clear. Seas 1 to 2 ft.
  • Saturday NW wind 5 to 7 kt becoming variable and less than 5 kt. Increasing clouds. Seas around 1 ft.
  • Saturday Night SSW wind 9 to 13 kt. A slight chance of showers after midnight. Seas 2 to 3 ft.
  • Sunday SW wind 13 to 16 kt, with gusts as high as 22 kt. Partly sunny. Seas around 4 ft.
  • Sunday Night SW wind around 15 kt. Mostly cloudy. Seas around 4 ft.
  • Monday WSW wind 11 to 13 kt becoming W in the afternoon. Mostly cloudy. Seas 3 to 4 ft.
  • Monday Night WNW wind 11 to 13 kt becoming NNW after midnight. Mostly cloudy. Seas 2 to 3 ft.
  • Tuesday N wind around 13 kt becoming NE in the afternoon. Mostly sunny. Seas around 2 ft.
  • Tuesday Night ENE wind 10 to 12 kt becoming SE after midnight. Mostly cloudy. Seas around 2 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.