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
11NM SW College Fjord 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: 8:15 am AKST Dec 20, 2014
Forecast Valid: 4pm AKST Dec 20, 2014-6pm AKST Dec 26, 2014
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 967 MB LOW 300 NM SOUTH OF YAKUTAT WILL MOVE TO 130 NM SOUTHEAST
OF PRINCE WILLIAM SOUND LATE TONIGHT WHILE WEAKENING TO 974 MB
AND THEN MOVE TO 60 NM SOUTHEAST OF CHINIAK AT 995 MB LATE SUNDAY.
- This Afternoon N wind around 10 kt. Partly sunny. Seas 1 ft or less.
- Tonight Variable winds 5 kt or less. Rain and snow before 9pm, then rain between 9pm and midnight, then rain and snow after midnight. Seas 1 ft or less.
- Sunday NE wind 5 to 10 kt becoming E in the afternoon. Rain before 9am, then rain and snow. Seas 1 ft or less.
- Sunday Night Variable winds 5 kt or less. Snow before midnight, then rain and snow. Seas 1 ft or less.
- Monday Variable winds 5 kt or less. Rain and snow, becoming all snow after noon. Seas 1 ft or less.
- Monday Night Variable winds 5 kt or less. Rain and snow likely before 9pm, then snow likely between 9pm and 3am, then rain and snow likely after 3am. Seas 1 ft or less.
- Tuesday Variable winds 5 kt or less. Snow likely. Seas 1 ft or less.
- Tuesday Night Variable winds 5 kt or less. A chance of snow. Seas 1 ft or less.
- Wednesday Variable winds 5 kt or less. A chance of snow. Seas 1 ft or less.
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