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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4NM W Portage AK

Marine Point Forecast [NOTICE]

Overnight

Snow

Light Wind
< 1ft

Low: 31 °F

Tuesday

Rain/Snow

Light Wind
< 1ft

High: 41 °F

Tuesday
Night

Isolated Showers

Light Wind
< 1ft

Low: 23 °F

Wednesday

Mostly Sunny

Light Wind
< 1ft

High: 41 °F

Wednesday
Night

Partly Cloudy

Light Wind
< 1ft

Low: 23 °F

Thursday

Sunny

Light Wind
< 1ft

High: 35 °F

Thursday
Night

Mostly Cloudy

Light Wind
< 1ft

Low: 23 °F

Friday

Mostly Cloudy

Light Wind
< 1ft

High: 36 °F

Friday
Night

Chance Snow

Light Wind
< 1ft

Low: 25 °F

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:32 pm AKDT Oct 20, 2014
Forecast Valid: 1am AKDT Oct 21, 2014-6pm AKDT Oct 27, 2014

View Nearby Observations

Detailed Forecast

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

  • SynopsisA 979 MB LOW ABOUT 550 NM SOUTHWEST OF PORT ALEXANDER WILL MOVE TO AROUND 200 NM SOUTH SOUTHWEST OF PORT ALEXANDER AND STRENGTHEN TO 972 MB TUE AFTERNOON. THIS LOW THEN MOVES TO AROUND 325 NM SOUTHWEST OF PORT ALEXANDER WED AFTERNOON AT 975 MB.
  • Overnight Variable winds 5 kt or less. Snow. Seas 1 ft or less.
  • Tuesday Variable winds 5 kt or less. Snow showers before 1pm, then a slight chance of rain showers. Seas 1 ft or less.
  • Tuesday Night Variable winds 5 kt or less. Isolated showers before 7pm. Seas 1 ft or less.
  • Wednesday Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
  • Wednesday Night Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
  • Thursday Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
  • Thursday Night Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
  • Friday Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
  • Friday Night Variable winds 5 kt or less. A chance of snow. Seas 1 ft or less.
*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.