Flash Flood Threat Shifts to Florida; Snowy in the Northern Plains; Fire Danger in the West

Showers and thunderstorms may produce flash flooding in northern and central Florida into Tuesday; and gusty winds and hail are also possible across the area Sunday. A strong cold front will bring below average temperatures and wintry precipitation to the northern High Plains. Elevated fire weather conditions are expected across parts of the Northwest and southern California.

For More Weather Information:

Norton, MA Local Forecast Office

7NM NNE Portsmouth RI

Marine Point Forecast

  • This

    Mostly Cloudy

    W 8kt

    High: 56 °F

  • Tonight

    Mostly Cloudy

    Light Wind

    Low: 43 °F

  • Monday

    Slight Chc Thunderstorms

    Winds IncreasingSW 10kt

    High: 61 °F

  • Monday

    Slight Chc Thunderstorms

    SW 8kt

    Low: 46 °F

  • Tuesday


    WSW 12kt

    High: 65 °F

  • Tuesday

    Partly Cloudy

    SW 9kt

    Low: 49 °F

  • Wednesday

    Showers Likely

    Winds IncreasingS 13kt

    High: 61 °F

  • Wednesday

    Showers Likely

    W 11kt

    Low: 40 °F

  • Thursday

    Mostly Sunny

    W 18kt

    High: 50 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:40 am EDT Apr 18, 2021
Forecast Valid: 1pm EDT Apr 18, 2021-6pm EDT Apr 24, 2021

View Nearby Observations

Detailed Forecast

Synopsis: ANZ200-190300- 1016 AM EDT Sun Apr 18 2021 .Synopsis for Massachusetts and Rhode Island coastal waters... Westerly winds fall below 10 knots today as exiting low pressure continues to make its way over the Atlantic waters. Weak high pressure and drier conditions build into southern New England early next week before another low-pressure system brings the potential for rain and gusty winds by mid-week. For additional information on possible hazardous weather for the week ahead, please visit www.weather.gov/boston/ehwo $$

This Afternoon
W wind around 8 kt. Mostly cloudy. Seas around 1 ft.
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Variable winds less than 5 kt becoming SW 5 to 10 kt in the morning. A slight chance of showers and thunderstorms after 3pm. Seas around 1 ft.
Monday Night
SW wind 5 to 8 kt. A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Seas around 1 ft.
WSW wind 7 to 12 kt. Sunny. Seas around 1 ft.
Tuesday Night
SW wind 5 to 9 kt. Partly cloudy. Seas around 1 ft.
S wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. Showers likely, mainly after 2pm. Seas 1 to 2 ft.
Wednesday Night
S wind 9 to 11 kt becoming W after midnight. Showers likely. Seas around 1 ft.
W wind 15 to 18 kt. Mostly sunny. Seas around 2 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.


  1. 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.
  2. 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.
  Select Another Point


Point Forecast: 41.71°N 71.17°W
Last Update: 9:40 am EDT Apr 18, 2021
Forecast Valid: 1pm EDT Apr 18, 2021-6pm EDT Apr 24, 2021
  Forecast Discussion
  Get as KML Get as XML


Link to Local Radar Data Link to Satellite Data