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.

For More Weather Information:

Norton, MA Local Forecast Office

7NM ESE Boston MA

Marine Point Forecast

  • This


    WSW 13kt

    High: 91 °F

  • Tonight

    Slight Chc Showers

    W 8ktWinds Decreasing

    Low: 73 °F

  • Tuesday

    Chance Showers

    SSE 10kt

    High: 79 °F

  • Tuesday

    Showers Likely

    S 35ktWinds Decreasing

    Low: 72 °F

  • Wednesday

    Chance Showers

    SW 15kt

    High: 82 °F

  • Wednesday

    Slight Chc Thunderstorms

    WSW 9kt

    Low: 69 °F

  • Thursday


    W 7kt

    High: 78 °F

  • Thursday

    Mostly Clear

    SW 7kt

    Low: 67 °F

  • Friday

    Mostly Sunny

    Winds IncreasingE 6kt

    High: 78 °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

View Nearby Observations

Detailed Forecast


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 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 and follow the Current Hazards link above the map on the left. $$

This Afternoon
WSW wind around 13 kt. Sunny. Seas around 1 ft.
W wind 5 to 8 kt becoming variable and less than 5 kt after midnight. A slight chance of showers after 5am. Seas around 1 ft.
ESE wind 6 to 10 kt becoming SSE in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas around 1 ft.
Tuesday Night
S wind 30 to 35 kt decreasing to 16 to 21 kt. Winds could gust as high as 45 kt. Showers likely, mainly before 3am. Seas around 2 ft.
SW wind 11 to 15 kt, with gusts as high as 21 kt. A chance of showers and thunderstorms, mainly before 2pm. Seas 1 to 2 ft.
Wednesday Night
WSW wind 7 to 9 kt becoming WNW after midnight. A slight chance of showers and thunderstorms before 7pm. Seas around 1 ft.
WNW wind around 7 kt becoming W in the afternoon. Sunny. Seas around 1 ft.
Thursday Night
SW wind 5 to 7 kt becoming W after midnight. Mostly clear. Seas around 1 ft.
Variable winds less than 5 kt becoming E around 6 kt in the morning. Mostly sunny. Seas around 1 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: 42.32°N 70.93°W
Last Update: 1:21 pm EDT Aug 3, 2020
Forecast Valid: 3pm EDT Aug 3, 2020-6pm EDT Aug 9, 2020
  Forecast Discussion
  Get as KML Get as XML


Link to Local Radar Data Link to Satellite Data