Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week.
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For More Weather Information:

Norton, MA Local Forecast Office

15NM E Portsmouth RI

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Sunny

    SW 13kt
    < 1ft

    High: 89 °F

  • Tonight

    Increasing Clouds

    SW 9ktWinds Decreasing
    < 1ft

    Low: 74 °F

  • Tuesday

    Chance Showers

    Winds IncreasingSSE 12kt
    < 1ft

    High: 81 °F

  • Tuesday
    Night

    Showers Likely

    S 27ktWinds Decreasing
    < 1ft

    Low: 73 °F

  • Wednesday

    Chance Showers

    SW 14kt
    < 1ft

    High: 83 °F

  • Wednesday
    Night

    Slight Chc Thunderstorms

    SW 7ktWinds Decreasing
    < 1ft

    Low: 68 °F

  • Thursday

    Sunny

    Light Wind
    < 1ft

    High: 82 °F

  • Thursday
    Night

    Partly Cloudy

    SW 6ktWinds Decreasing
    < 1ft

    Low: 67 °F

  • Friday

    Mostly Sunny

    Light Wind
    < 1ft

    High: 81 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:21 pm EDT Aug 3, 2020
Forecast Valid: 3pm EDT Aug 3, 2020-6pm EDT Aug 9, 2020

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Detailed Forecast

...TROPICAL STORM WARNING IN EFFECT...

Synopsis: ANZ200-040600- 123 PM EDT Mon Aug 3 2020 .Synopsis for Massachusetts and Rhode Island coastal waters... With high pressure sitting east of the waters our main focus will turn to Tropical Storm Isaias as our region remains in the cone of uncertainty Tue into early Wed. Mariners are urged to visit www.nhc.noaa.gov for the latest forecasts regarding this storm. High pres will build back across the waters Wed into Thu. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the Current Hazards link above the map on the left. $$

This Afternoon
SW wind around 13 kt. Sunny. Seas 1 ft or less.
Tonight
SW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Increasing clouds. Seas 1 ft or less.
Tuesday
SSE wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.
Tuesday Night
S wind 22 to 27 kt becoming S 17 to 22 kt. Winds could gust as high as 36 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.
Wednesday
SW wind 10 to 14 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly before 1pm. Seas 1 ft or less.
Wednesday Night
SW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms before 7pm. Seas 1 ft or less.
Thursday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Thursday Night
SW wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

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:

  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.
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ABOUT THIS FORECAST

Point Forecast: 41.63°N 70.92°W
Last Update: 1:21 pm EDT Aug 3, 2020
Forecast Valid: 3pm EDT Aug 3, 2020-6pm EDT Aug 9, 2020
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