Heavy Rainfall Threat to the South from Possible Tropical/Subtropical System Over the Weekend

A tropical disturbance over the Yucatan Peninsula has a High chance of developing into a tropical or subtropical depression in the Gulf over the Memorial Day Weekend. This system has the potential to bring heavy rainfall to portions of the Gulf Coast over the next 5-7 days. The threat of rip currents will also steadily increase along the Gulf from FL to LA over the holiday weekend.

For More Weather Information:

Norton, MA Local Forecast Office

8NM ESE Nantucket MA

Marine Point Forecast

  • This


    SW 17kt

    High: 59 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tonight

    Mostly Clear

    SW 18kt

    Low: 55 °F

    Small Craft Advisory
    Small Craft Advisory

  • Saturday

    Slight Chc Thunderstorms

    WSW 15kt

    High: 63 °F

    Small Craft Advisory
    Small Craft Advisory

  • Saturday

    Thunderstorms Likely

    SSW 9kt

    Low: 51 °F

  • Sunday

    Showers Likely

    E 13kt

    High: 55 °F

  • Sunday

    Chance Showers

    NE 12kt

    Low: 51 °F

  • Memorial


    NE 8kt

    High: 56 °F

  • Monday

    Patchy Fog

    Winds IncreasingSW 7kt

    Low: 52 °F

  • Tuesday

    Mostly Sunny

    W 9kt

    High: 61 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:36 am EDT May 25, 2018
Forecast Valid: 12pm EDT May 25, 2018-6pm EDT May 31, 2018

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Detailed Forecast

Synopsis: ANZ200-260315- 1001 AM EDT Fri May 25 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure will allow for breezy return S flow today into Saturday. This ahead of a back door cold front late Saturday behind which winds back out of the NE. Stall S of the waters Sunday into Monday, looking at wet weather chances to prevail before clearing out Tuesday with a brief period of high pressure settling back in before more unsettled weather late week. 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 13 to 17 kt. Sunny. Seas around 5 ft.
SW wind 16 to 18 kt. Mostly clear. Seas around 5 ft.
WSW wind 12 to 15 kt. A slight chance of showers and thunderstorms after 4pm. Areas of fog after 3pm. Seas 4 to 5 ft.
Saturday Night
SSW wind 6 to 9 kt becoming ESE after midnight. Showers and thunderstorms likely. Areas of fog before 9pm. Seas 3 to 4 ft.
E wind 11 to 13 kt, with gusts as high as 21 kt. Showers likely, with thunderstorms also possible after 7am. Seas 2 to 3 ft.
Sunday Night
NE wind 8 to 12 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Seas around 5 ft.
Memorial Day
NE wind around 8 kt. Cloudy. Seas around 4 ft.
Monday Night
Variable winds less than 5 kt becoming SW 5 to 7 kt in the evening. Patchy fog before 11pm. Seas around 3 ft.
W wind 7 to 9 kt becoming N in the afternoon. Mostly sunny. Seas around 3 ft.

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.


  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: 41.21°N 69.95°W
Last Update: 10:36 am EDT May 25, 2018
Forecast Valid: 12pm EDT May 25, 2018-6pm EDT May 31, 2018
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