Wintry Weather Across the Northern Tier of the U.S.; Fire Weather Concerns in California
Wintry weather is expected from the Northern Plains to Upper Great Lakes with periods of snow and freezing rain. Another system will bring more snow to the Northern Rockies and Northern Plains Wednesday night into Thursday. Meanwhile, fire weather and air quality concerns persist for portions of the Western U.S., including California. Temperatures will run above normal over much of the East.
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Hazardous Weather Conditions
Last Update: 416 AM EDT Wed Oct 21 2020
For More Weather Information:
26NM NE Nantucket MA
Marine Zone Forecast
Synopsis: ANZ200-212100-
416 AM EDT Wed Oct 21 2020
.Synopsis for Massachusetts and Rhode Island coastal waters...
A ridge of high pres will remain anchored well to the south, as a
frontal system passes through northern New England tonight. High
pres then builds into the waters thru the rest of the workweek. A
weak cold front passes thru the waters on Saturday.
For additional information on possible hazardous weather for the
week ahead, please visit www.weather.gov/boston/ehwo.
$$
Today
S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 3 to 4 ft. Areas of fog. Patchy drizzle this morning. Vsby 1 nm or less.
Tonight
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Patchy fog. Vsby 1 nm or less.
Thu
W winds 5 to 10 kt, becoming N in the afternoon. Seas 3 to 5 ft. Patchy fog. Vsby 1 to 3 nm.
Thu Night
NE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 4 to 7 ft.
Fri And Fri Night
E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft.
Sat Through Sun
N winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to 9 ft.
Sun Night
E winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 8 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.
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.
Additional Forecasts and Information
ABOUT THIS FORECAST
| Last Update: | 416 AM EDT Wed Oct 21 2020 |
| Forecast Discussion | |
RADAR & SATELLITE IMAGES
