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.
Hazardous Weather Conditions
18NM SE Passage Canal AK
Marine Point Forecast [NOTICE]
High and low forecast temperature values represent air temperature.
Water temperature forecast is experimental.
Associated Zone Forecast which includes this point
Last Update: 4:31 pm AKST Dec 20, 2014
Forecast Valid: 1am AKST Dec 21, 2014-6pm AKST Dec 27, 2014
COASTAL WATERS FORECAST FOR THE NORTHERN GULF
OF ALASKA COAST UP TO 100 NM OUT INCLUDING KODIAK ISLAND AND COOK
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 969 MB LOW 90 NM SOUTH OF CORDOVA WILL MOVE INLAND ACROSS THE
KENAI PENINSULA TONIGHT. A 985 MB COMPLEX LOW WITH MULTIPLE WEAK
LOW CENTERS WILL DEVELOP OVER THE WESTERN GULF AND SLOWLY WEAKEN
IN PLACE THROUGH MON AFTERNOON.
- Overnight Variable winds 5 kt or less. Rain. Seas around 2 ft.
- Sunday Variable winds 5 kt or less. Rain before noon, then showers after noon. Seas around 2 ft.
- Sunday Night Variable winds 5 kt or less. Showers. Seas around 2 ft.
- Monday Variable winds 5 kt or less. Showers. Seas around 2 ft.
- Monday Night Variable winds 5 kt or less. Showers likely. Seas around 2 ft.
- Tuesday Variable winds 5 kt or less. Rain showers likely before noon, then rain and snow showers likely. Seas around 2 ft.
- Tuesday Night Variable winds 5 kt or less. A chance of showers. Seas around 2 ft.
- Wednesday ENE wind 5 to 10 kt. A chance of showers. Seas around 2 ft.
- Wednesday Night Variable winds 5 kt or less. A chance of showers. Seas around 2 ft.
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