Excessive Heat Spreads East; Many Areas with Heavy Rain Threats

Hot and muggy conditions are forecast to continue across the Midwest and Northeast, while spreading eastward. A frontal boundary bringing very heavy rains to the Upper Midwest will sag southward bringing cooler temperatures to areas to the north, including the city of Chicago. Heavy rains will also be possible along the Texas Gulf Coast from a tropical disturbance.

For More Weather Information:

Norton, MA Local Forecast Office

19NM ENE Plymouth MA

Marine Point Forecast

  • Today

    Mostly Sunny

    SSW 21kt

    High: 78 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Chance Showers

    SW 18ktWinds Decreasing

    Low: 62 °F

  • Tuesday

    Patchy Fog

    NNW 9kt

    High: 74 °F

  • Tuesday

    Mostly Clear

    Winds IncreasingW 6kt

    Low: 56 °F

  • Wednesday


    Winds IncreasingS 12kt

    High: 72 °F

  • Wednesday

    Partly Cloudy

    SSW 12kt

    Low: 59 °F

  • Thursday


    N 9kt

    High: 68 °F

  • Thursday

    Mostly Clear

    SSE 8kt

    Low: 56 °F

  • Friday


    SSE 9kt

    High: 69 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:04 am EDT Jun 18, 2018
Forecast Valid: 10am EDT Jun 18, 2018-6pm EDT Jun 24, 2018

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Detailed Forecast


Synopsis: ANZ200-190000- 716 AM EDT Mon Jun 18 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front will approach the waters this afternoon into evening, sweeping through overnight ahead of which there is the possibility of showers and thunderstorms, especially over the eastern waters. A weak wave of low pressure and wet weather is possible Wednesday night over the S waters, otherwise cooler and drier conditions beneath high pressure and northwesterly flow for the remainder of the week, while a warm front lifts north across the waters over the weekend. 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. $$

SSW wind 16 to 21 kt, with gusts as high as 27 kt. Mostly sunny.
SW wind 15 to 18 kt decreasing to 11 to 14 kt after midnight. Winds could gust as high as 30 kt. A chance of showers and thunderstorms, mainly after midnight. Patchy fog after 10pm.
NNW wind 7 to 9 kt. Patchy fog before 9am.
Tuesday Night
Variable winds less than 5 kt becoming W around 6 kt after midnight. Mostly clear.
WSW wind 5 to 8 kt becoming S 9 to 12 kt in the afternoon. Sunny.
Wednesday Night
SSW wind 9 to 12 kt becoming W after midnight. Partly cloudy.
N wind around 9 kt becoming ENE in the afternoon. Sunny.
Thursday Night
SSE wind around 8 kt becoming W after midnight. Mostly clear.
N wind 6 to 9 kt becoming SSE in the afternoon. Sunny.

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.
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Point Forecast: 42.05°N 70.25°W
Last Update: 9:04 am EDT Jun 18, 2018
Forecast Valid: 10am EDT Jun 18, 2018-6pm EDT Jun 24, 2018
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