Flash Flood Watches in Southeast and Tennessee Valley; Critical Fire Weather in California; Severe Weather in Upper Midwest

Flash flood watches are in effect today in parts of the Southeast and Tennessee Valley from organized areas of heavy to excessive rainfall. Meanwhile, critical fire weather conditions are likely across northern California with offshore winds and dry conditions. Finally, a strong cold front will produce severe thunderstorms across the Upper to Mid Mississippi Valley.
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Norton, MA Local Forecast Office

12NM ESE Hyannis MA

Marine Point Forecast

[NOTICE]

This
Afternoon
E 16km/h
< 1m
High: 20 °C
Tonight

E 18km/h
< 1m
Low: 16 °C
Tuesday

ESE 21km/h
< 1m
High: 21 °C
Tuesday
Night
SE 23km/h
< 1m
Low: 19 °C
Wednesday

SSE 24km/h
1m
High: 22 °C
Wednesday
Night
SSE 26km/h
1m
Low: 21 °C
Thursday

SSE 26km/h
1m
High: 22 °C
Thursday
Night
SSE 24km/h
1m
Low: 19 °C
Friday

SSE 24km/h
1m
High: 22 °C

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:52 pm EDT Sep 20, 2021
Forecast Valid: 2pm EDT Sep 20, 2021-6pm EDT Sep 26, 2021

View Nearby Observations

Detailed Forecast

Synopsis: ANZ200-210300- 1027 AM EDT Mon Sep 20 2021 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure remains anchored from the Maritimes to New England through mid week, providing tranquil boating conditions. By late this week, a cold front approaches New England from the west, and will be accompanied by scattered showers, with locally heavy rain possible and isolated thunderstorms. For additional information on possible hazardous weather for the week ahead, please visit www.weather.gov/boston/ehwo $$

This Afternoon

E wind 14 to 16 km/h. Sunny. Seas 1 m or less.

Tonight

E wind 16 to 18 km/h. Clear. Seas 1 m or less.

Tuesday

ESE wind 16 to 21 km/h. Mostly sunny. Seas 1 m or less.

Tuesday Night

SE wind around 23 km/h, with gusts as high as 32 km/h. Partly cloudy. Seas 1 m or less.

Wednesday

SSE wind around 24 km/h, with gusts as high as 32 km/h. Mostly sunny. Seas around 1 m.

Wednesday Night

SSE wind around 26 km/h, with gusts as high as 32 km/h. Mostly cloudy. Seas around 1 m.

Thursday

SSE wind 24 to 26 km/h, with gusts as high as 32 km/h. Partly sunny. Seas around 1 m.

Thursday Night

SSE wind around 24 km/h, with gusts as high as 34 km/h. Mostly cloudy. Seas around 1 m.

Friday

SSE wind around 24 km/h, with gusts as high as 34 km/h. Mostly sunny. Seas around 1 m.

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.

*Notices:

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.