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Block Island, RI - (Old Harbor) Marine Weather Forecast

Station MTKN6 - 8510560 - Montauk, NY

May 29, 2025 7:00 pm EDT
Location: 41.048N 71.959W
Atmospheric Pressure: 29.87 in (1011.4 mb)
Pressure Tendency: -0.02 in (-0.7 mb)
Air Temperature: 58.5°F (14.7°C)
Water Temperature: 54.9°F (12.7°C)


Tonight - 58°F
May 29, 2025
9 mph SW
Mostly Cloudy
Mostly cloudy, with a low around 58. Southwest wind around 9 mph.
Friday - 65°F
May 30, 2025
10 mph SW
Slight Chance Rain Showers
A slight chance of rain showers between 8am and 1pm. Mostly cloudy, with a high near 65. Southwest wind around 10 mph. Chance of precipitation is 20%.
Friday Night - 58°F
May 30, 2025
9 mph S
Rain
A chance of rain showers between 8pm and 11pm, then a chance of rain between 11pm and 2am, then rain and a slight chance of thunderstorms. Cloudy, with a low around 58. South wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday - 67°F
May 31, 2025
9 to 16 mph SW
Rain Likely then Chance Rain Showers
Rain likely before 8am, then rain likely and a slight chance of thunderstorms between 8am and noon, then a chance of rain showers. Partly sunny, with a high near 67. Southwest wind 9 to 16 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night - 55°F
May 31, 2025
14 mph W
Chance Showers And Thunderstorms
A chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 55. West wind around 14 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Sunday - 65°F
Jun 01, 2025
16 mph W
Slight Chance Rain Showers then Sunny
A slight chance of rain showers before 8am. Sunny, with a high near 65.
Sunday Night - 55°F
Jun 01, 2025
8 to 15 mph SW
Partly Cloudy
Partly cloudy, with a low around 55.
Monday - 65°F
Jun 02, 2025
9 mph SW
Mostly Sunny
Mostly sunny, with a high near 65.
Monday Night - 56°F
Jun 02, 2025
10 mph W
Partly Cloudy
Partly cloudy, with a low around 56.
Tuesday - 68°F
Jun 03, 2025
5 to 8 mph W
Sunny
Sunny, with a high near 68.
Tuesday Night - 59°F
Jun 03, 2025
8 mph W
Mostly Clear
Mostly clear, with a low around 59.
Wednesday - 71°F
Jun 04, 2025
6 to 12 mph W
Mostly Sunny
Mostly sunny, with a high near 71.
Wednesday Night - 59°F
Jun 04, 2025
10 mph SW
Partly Cloudy
Partly cloudy, with a low around 59.
Thursday - 72°F
Jun 05, 2025
9 to 13 mph SW
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

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