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

16NM W Hyannis MA

Marine Point Forecast

[NOTICE]
  • Tonight

    Increasing Clouds

    SW 12ktWinds Decreasing
    < 1ft

    Low: 74 °F

  • Tuesday

    Chance Showers

    Winds IncreasingSSE 13kt
    < 1ft

    High: 81 °F

  • Tuesday
    Night

    Showers Likely

    S 28ktWinds Decreasing
    < 1ft

    Low: 73 °F

  • Wednesday

    Chance Showers

    SW 14kt
    < 1ft

    High: 83 °F

  • Wednesday
    Night

    Slight Chc Showers

    SW 10kt
    < 1ft

    Low: 68 °F

  • Thursday

    Mostly Sunny

    WSW 6kt
    < 1ft

    High: 80 °F

  • Thursday
    Night

    Partly Cloudy

    SSW 6ktWinds Decreasing
    < 1ft

    Low: 67 °F

  • Friday

    Partly Sunny

    Winds IncreasingE 7kt
    < 1ft

    High: 80 °F

  • Friday
    Night

    Chance Showers

    ESE 6ktWinds Decreasing
    < 1ft

    Low: 67 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:59 pm EDT Aug 3, 2020
Forecast Valid: 7pm EDT Aug 3, 2020-6pm EDT Aug 10, 2020

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Detailed Forecast

...TROPICAL STORM WARNING IN EFFECT...

Synopsis: ANZ200-041000- 500 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. $$

Tonight
SW wind 9 to 12 kt decreasing to 5 to 8 kt after midnight. Winds could gust as high as 20 kt. Increasing clouds. Seas 1 ft or less.
Tuesday
SSE wind 5 to 8 kt increasing to 10 to 13 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.
Tuesday Night
S wind 23 to 28 kt becoming SSW 18 to 23 kt. Winds could gust as high as 37 kt. Showers likely, mainly between 8pm and 11pm. Seas 1 ft or less.
Wednesday
SW wind around 14 kt, with gusts as high as 20 kt. A chance of showers, mainly before 11am. Seas 1 ft or less.
Wednesday Night
SW wind 5 to 10 kt becoming WNW after midnight. A slight chance of showers between 10pm and midnight. Seas 1 ft or less.
Thursday
N wind around 6 kt becoming SSW in the afternoon. Mostly sunny. Seas 1 ft or less.
Thursday Night
SSW wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming E 5 to 7 kt in the morning. Partly sunny. Seas 1 ft or less.
Friday Night
ESE wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers. Patchy fog after 10pm. Seas 1 ft or less.

Winds and seas higher in and near tstms. 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: 41.64°N 70.65°W
Last Update: 4:59 pm EDT Aug 3, 2020
Forecast Valid: 7pm EDT Aug 3, 2020-6pm EDT Aug 10, 2020
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