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.
Hazardous Weather Conditions
21NM SE Gloucester MA
Marine Point Forecast [NOTICE]
- SynopsisHIGH PRES WILL REMAIN CENTERED ACROSS QUEBEC THIS AFTERNOON 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 LATE WED INTO WED NIGHT. THIS WILL BRING
A PERIOD OF STRONG WINDS AND HIGH SEAS TO THE WATERS. A COLD FRONT
WILL THEN CROSS THE WATERS ON THU.
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.
- This Afternoon NNE wind around 12 kt. A slight chance of showers. Seas around 4 ft.
- Tonight NNE wind around 12 kt. A slight chance of showers before 1am. Seas around 4 ft.
- Monday NNE wind 7 to 10 kt becoming E in the afternoon. Cloudy. Seas 3 to 4 ft.
- Monday Night ESE wind 10 to 13 kt. A slight chance of showers after 11pm. Seas 4 to 5 ft.
- Tuesday E wind 14 to 17 kt. A chance of showers, mainly after 11am. Seas 4 to 5 ft.
- Tuesday Night ESE wind 17 to 22 kt. Rain likely, mainly after 4am. Seas 4 ft building to 6 ft.
- Wednesday SE wind 19 to 22 kt, with gusts as high as 35 kt. Rain. Seas 7 to 8 ft.
- Wednesday Night SE wind 23 to 25 kt becoming S after midnight. Winds could gust as high as 40 kt. Rain. Seas 7 to 8 ft.
- Christmas Day SSW wind 19 to 22 kt becoming WSW in the afternoon. Winds could gust as high as 35 kt. Rain likely. Seas around 5 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.
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.
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.
HOURLY WEATHER GRAPH
NATIONAL DIGITAL FORECAST DATABASE