National Weather Service United States Department of Commerce

Active pattern for the Pacific Northwest this week while a coastal low takes aim on the Northeast later this week

Thunderstorms with heavy rainfall is forecast to bring 5 to 7 inches of rainfall, with localized heavier amounts, to the Pacific Northwest throughout the week. Across the higher mountain elevations, measurable snow is likely. The Northeast will also be the focus of showers and thunderstorms beginning mid-week as a coastal low meanders of the Mid-Atlantic coast.
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6NM NE Nantucket MA

Marine Point Forecast [NOTICE]

Today

Showers

SSE 14kt
2-3ft

High: 63 °F

Tonight

Chance Showers

ESE 6ktWinds Decreasing
2ft

Low: 56 °F

Wednesday

Heavy Rain

NE 10kt
2ft

High: 62 °F

Wednesday
Night

Showers

ENE 11kt
3ft

Low: 58 °F

Thursday

Showers Likely

E 6ktWinds Decreasing
3ft

High: 62 °F

Thursday
Night

Chance Showers

Winds IncreasingW 7kt
3ft

Low: 55 °F

Friday

Chance Showers

Winds IncreasingNW 14kt
3ft

High: 59 °F

Friday
Night

Mostly Cloudy

NW 12kt
2ft

Low: 53 °F

Saturday

Mostly Sunny

WNW 11kt
2ft

High: 59 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:15 am EDT Oct 21, 2014
Forecast Valid: 9am EDT Oct 21, 2014-6pm EDT Oct 27, 2014

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Detailed Forecast



  • SynopsisLOW PRES OVER LAKE ONTARIO WEAKENS AND GIVES WAY TO A NEW AREA OF LOW PRES OFF THE DELAWARE COAST. THIS LOW MAY BECOME A GALE CENTER SOUTH OF NEW ENGLAND WED INTO THU. BY FRI THE LOW WEAKENS AND BEGINS TO MOVE OFFSHORE. BY SAT THE LOW IS IN THE MARITIMES WITH WESTERLY FLOW ACROSS NEW ENGLAND.

    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.
  • Today SSE wind 9 to 14 kt, with gusts as high as 24 kt. Showers, mainly before 1pm. Patchy fog after 5pm. Seas 2 to 3 ft.
  • Tonight ESE wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers, mainly before midnight. Patchy fog after midnight. Seas around 2 ft.
  • Wednesday NE wind 6 to 10 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rain. Patchy fog after 2pm. Seas around 2 ft.
  • Wednesday Night ENE wind 7 to 11 kt. Showers and possibly a thunderstorm. Patchy fog before 8pm. Seas around 3 ft.
  • Thursday E wind around 6 kt becoming variable and less than 5 kt in the afternoon. Showers likely and possibly a thunderstorm. Seas around 3 ft.
  • Thursday Night Variable winds less than 5 kt becoming W 5 to 7 kt in the evening. A chance of showers. Seas around 3 ft.
  • Friday NW wind 8 to 11 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 22 kt. A chance of showers before 2pm. Seas around 3 ft.
  • Friday Night NW wind around 12 kt. Mostly cloudy. Seas around 2 ft.
  • Saturday WNW wind around 11 kt. Mostly sunny. 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.