Winter storm for Rockies and High Plains
A storm system over the northern Rockies will move eastward towards the High Plains by Christmas Day. The system will produce snow over parts of the Great Basin, Rockies and High Plains on Christmas. Some of the snow will be heavy, with hazardous travel conditions. Winter Storm Warnings and Winter Weather Advisories are in effect in these areas.
Hazardous Weather Conditions
Marine Point Forecast [NOTICE]
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM HST THURSDAY...
- SynopsisA DECAYING FRONT LINGERING NEAR THE CENTRAL ISLANDS WILL WEAKEN
TO A TROUGH AND MOVE NORTH AWAY FROM THE ISLANDS THROUGH
THURSDAY. HIGH PRESSURE WILL SIT NORTHWEST OF THE STATE THROUGH
THE FORECAST PERIOD.
- Overnight Variable winds 5 kt or less. Scattered showers. . Waves 1 ft or less.
- Christmas Day NE wind 6 to 8 kt becoming S in the afternoon. Scattered showers before noon. . Waves 1 ft or less.
- Thursday Night N wind around 12 kt. Isolated showers after midnight. . Waves around 3 ft.
- Friday N wind 12 to 15 kt. Isolated showers before noon. NW swell 3 ft. Waves 5 to 6 ft.
- Friday Night NNW wind around 16 kt. Scattered showers. NW swell 2 to 3 ft. Waves around 6 ft.
- Saturday N wind around 16 kt. Isolated showers before noon. NW swell 4 to 5 ft. Waves 6 to 7 ft.
- Saturday Night NE wind around 12 kt. Mostly clear. NW swell 4 to 5 ft. Waves 5 to 6 ft.
- Sunday NNE wind around 13 kt. Sunny. NW swell 3 to 4 ft. Waves around 5 ft.
- Sunday Night NE wind around 13 kt. Clear. NW swell 3 ft. Waves around 5 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