41.6567’ N, 70.8133’ W

Mattapoisett Harbor, MA

63°
H 68°
L 59°
E
13mph
High tide
8:49 am

Mattapoisett Harbor, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sun
Sep 27
Rain
Close Hourly
68º / 59º 94% ENE 14 mph 97%
8am Showers 63º 57% E 13 mph 100%
9am Showers 65º 53% E 14 mph 99%
10am Showers 65º 56% E 14 mph 99%
11am Rain 67º 89% E 13 mph 97%
12pm Showers 67º 54% E 14 mph 96%
1pm Cloudy 68º 21% E 13 mph 97%
2pm Showers 68º 51% ENE 13 mph 93%
3pm Rain 67º 74% ENE 13 mph 95%
4pm Rain 66º 82% ENE 13 mph 96%
5pm Showers 65º 55% ENE 13 mph 97%
6pm Showers 64º 45% ENE 12 mph 99%
7pm Showers 62º 41% ENE 11 mph 100%
8pm Foggy 62º 24% NE 11 mph 100%
9pm Showers 61º 50% NE 12 mph 100%
10pm Rain 60º 63% NE 11 mph 100%
11pm Rain 60º 85% NE 9 mph 100%
Mon
Sep 28
Showers
View Hourly
65º / 54º 92% NE 8 mph 97%
12am Light Rain 60º 64% NE 9 mph 100%
1am Light Rain 61º 63% NE 8 mph 100%
2am Light Rain 60º 74% NE 8 mph 100%
3am Rain 60º 85% NE 8 mph 100%
4am Rain 60º 92% NE 8 mph 100%
5am Rain 60º 89% NE 7 mph 100%
6am Rain 60º 85% NE 6 mph 100%
7am Rain 61º 93% NE 6 mph 100%
8am Light Rain 61º 78% NE 7 mph 100%
9am Light Rain 62º 67% NE 7 mph 99%
10am Showers 63º 56% ENE 8 mph 98%
11am Rain 65º 61% NE 7 mph 94%
12pm Showers 64º 48% ENE 7 mph 95%
1pm Light Rain 65º 62% ENE 7 mph 94%
2pm Showers 65º 57% ENE 7 mph 94%
3pm Showers 64º 58% NE 8 mph 95%
4pm Light Rain 64º 68% NE 7 mph 96%
5pm Showers 63º 56% NE 6 mph 96%
6pm Showers 62º 53% NNE 6 mph 100%
7pm Showers 61º 54% NNE 5 mph 100%
8pm Showers 59º 56% N 5 mph 100%
9pm Showers 59º 43% N 5 mph 100%
10pm Showers 59º 53% N 5 mph 100%
11pm Showers 58º 37% N 5 mph 100%
Tue
Sep 29
Cloudy
View Hourly
66º / 55º 12% NW 7 mph 85%
12am Showers 58º 38% NNW 5 mph 100%
1am Cloudy 57º 24% NNW 5 mph 100%
2am Cloudy 57º 24% NW 5 mph 100%
3am Cloudy 56º 21% NW 5 mph 100%
4am Cloudy 56º 20% NW 5 mph 100%
5am Cloudy 56º 18% NW 5 mph 100%
6am Cloudy 55º 10% NW 5 mph 100%
7am Cloudy 55º 10% WNW 5 mph 100%
Wed
Sep 30
Mostly Cloudy 69º / 57º 9% WSW 6 mph 81%
Thu
Oct 1
Partly Cloudy 73º / 62º 8% SW 12 mph 83%
Fri
Oct 2
Partly Cloudy 77º / 56º 20% WSW 10 mph 70%
Sat
Oct 3
Partly Cloudy 65º / 50º 16% N 9 mph 58%
Sun
Oct 4
PM Showers 63º / 52º 40% ENE 9 mph 63%

Weather Radar for Mattapoisett Harbor, MA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Mattapoisett Harbor, MA

Sunday
High : 69ºF
E wind 11 to 15 kt, with gusts as high as 29 kt. Showers likely, with thunderstorms also possible after 11am. Seas 1 ft or less.
Sunday Night
Low : 57ºF
ENE wind 6 to 8 kt. Showers. Seas 1 ft or less.
Monday
High : 65ºF
ENE wind around 7 kt. Showers likely, mainly after 1pm. Seas 1 ft or less.
Monday Night
Low : 53ºF
Variable winds 5 kt or less. A chance of showers, mainly before 3am. Seas 1 ft or less.
Tuesday
High : 64ºF
N wind around 7 kt. Mostly cloudy. Seas 1 ft or less.
Tuesday Night
Low : 52ºF
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Wednesday
High : 67ºF
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Wednesday Night
Low : 54ºF
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Thursday
High : 72ºF
Variable winds less than 5 kt becoming SW 5 to 9 kt in the morning. Mostly sunny. Seas 1 ft or less.

NOAA Buoy Data Near Mattapoisett Harbor, MA See Map

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    Wind Speed Forecast for Mattapoisett Harbor, MA

    SundayMondayTuesday
    Wind Speed (MPH) 1314131198777555
    12pm4pm8pm12am4am8am12pm4pm8pm12am4am8am
    MPH 1314131198777555
    DIR EEENENENENENEENENENNNWNW

    Current Weather Conditions In Mattapoisett Harbor, MA

    As Of: 12 seconds ago

    • 63ºF
    • 62ºF
    • 13mph
    • 0º (E)
    • 23mph
    • Showers
    • 2mi
    • 29.68"
    • 100%
    • 0ºF

    The weather right now in Mattapoisett Harbor, MA is Showers. The current temperature is 63°F, and the expected high and low for today, Sunday, September 27, 2026, are 68° high temperature and 59°F low temperature. The wind is currently blowing at 13 miles per hour, and coming from the East. The wind is gusting to 23 mph. With the wind and the atmosphere the temperature feels like 62° Fahrenheit. Expected precipitation is 57 percent, with current humidity at 100 percent, and air pressure at 29.68 in. Visibility is 2.5 nautical miles. There are 3 current weather alert(s).

    Weather Alerts
    Flood Watch - 2:48am Sun Sep 27 2026

    ...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE MONDAY NIGHT...

    WHAT: Flooding caused by excessive rainfall continues to be
    possible.

    WHERE: Portions of Massachusetts, including the following areas,
    Barnstable MA, Central Middlesex MA, Dukes MA, Eastern Essex MA,
    Eastern Norfolk MA, Eastern Plymouth MA, Nantucket MA, Northern
    Bristol MA, Northern Middlesex MA, Northern Worcester MA, Southeast
    Middlesex MA, Southern Bristol MA, Southern Plymouth MA, Southern
    Worcester MA, Suffolk MA, Western Essex MA, Western Norfolk MA and
    Western Plymouth MA and Rhode Island, including the following
    areas, Block Island RI, Bristol RI, Eastern Kent RI, Newport RI,
    Northwest Providence RI, Southeast Providence RI, Washington RI and
    Western Kent RI.

    WHEN: Through late Monday night.

    IMPACTS: Excessive runoff may result in flooding of rivers,
    creeks, streams, and other low-lying and flood-prone locations.
    Creeks and streams may rise out of their banks.

    ADDITIONAL DETAILS: - Periods of rain will continue across the region right through
    Monday. Storm total rainfall amount of 2-4" are expected, but
    localized 5-7" amounts are possible. If these higher amounts are
    realized...the potential for both urban and small river/stream
    flooding would increase. This is particularly true if these
    localized higher amounts occur over a vulnerable urban center.

    - Http://www.weather.gov/safety/flood

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    You should monitor later forecasts and be alert for possible Flood
    Warnings. Those living in areas prone to flooding should be prepared
    to take action should flooding develop.

    &&

    Gale Warning - 2:21am Sun Sep 27 2026

    ...GALE WARNING IN EFFECT UNTIL NOON EDT TODAY... ...STORM WARNING IS CANCELLED...

    WHAT: East winds 20 to 30 kt with gusts up to 45 kt and seas
    6 to 9 feet.

    WHERE: In Massachusetts coastal waters, Nantucket Sound,
    Vineyard Sound and Buzzards Bay. In Rhode Island coastal
    waters, Rhode Island Sound and Block Island Sound.

    WHEN: Until noon EDT today.

    IMPACTS: Strong winds will cause hazardous seas which could
    capsize or damage vessels and reduce visibility.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Mariners should alter plans to avoid these hazardous conditions.
    Remain in port, seek safe harbor, alter course, and/or secure the
    vessel for hazardous conditions.

    &&

    Coastal Flood Advisory - 3:19am Sun Sep 27 2026

    ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

    WHAT: Up to one half foot of inundation above ground level in
    low-lying areas near shorelines and tidal waterways (4.9 to
    7.1 feet Mean Lower Low Water).

    WHERE: Washington, Southern Bristol MA, Southern Plymouth MA,
    Southeast Providence RI, Eastern Kent RI, Bristol RI, and
    Newport RI Counties.

    WHEN: Until 8 PM EDT Sunday.

    IMPACTS: Splashover and Minor coastal flooding is expected in
    the lowest lying areas along the south coast of Rhode Island
    and Massachusetts over multiple high tide cycles late today
    through this weekend. A few immediate coastal roads may
    briefly flood due to wave action. In addition...minor beach
    erosion is also possible.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    If travel is required, allow extra time as some roads may be
    closed. Do not drive around barricades or through water of
    unknown depth. Take the necessary actions to protect flood-prone
    property.

    &&

    &&

    Time of high total tides are approximate to the nearest hour.

    Narragansett Bay at Fox Point
    MLLW Categories - Minor 7.0 ft, Moderate 9.0 ft, Major 10.5 ft
    MHHW Categories - Minor 2.2 ft, Moderate 4.2 ft, Major 5.7 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/09 PM 6.1/ 6.6 1.3/ 1.8 1.2/ 1.7 3 None
    27/09 AM 6.9/ 7.4 2.1/ 2.6 1.5/ 2.0 3 Minor
    27/09 PM 5.7/ 6.2 0.9/ 1.4 0.8/ 1.3 2 None
    28/10 AM 6.4/ 6.9 1.6/ 2.0 1.0/ 1.5 2 None
    28/10 PM 5.6/ 6.1 0.8/ 1.3 0.7/ 1.1 1 None
    29/10 AM 6.1/ 6.6 1.3/ 1.8 0.7/ 1.1 1 None

    Narragansett Bay at Conimicut Point
    MLLW Categories - Minor 7.0 ft, Moderate 8.5 ft, Major 10.0 ft
    MHHW Categories - Minor 2.4 ft, Moderate 3.9 ft, Major 5.4 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/08 PM 5.7/ 6.2 1.2/ 1.7 1.2/ 1.7 3 None
    27/09 AM 6.5/ 7.0 1.9/ 2.3 1.4/ 1.9 3 None
    27/09 PM 5.5/ 6.0 0.9/ 1.4 0.8/ 1.3 2 None
    28/09 AM 6.1/ 6.6 1.5/ 2.0 1.0/ 1.5 1-2 None
    28/10 PM 5.2/ 5.7 0.7/ 1.1 0.7/ 1.1 1 None
    29/10 AM 5.7/ 6.2 1.2/ 1.7 0.7/ 1.1 1 None

    Mount Hope Bay near Bristol Point RI
    MLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ft
    MHHW Categories - Minor 2.5 ft, Moderate 5.0 ft, Major 7.5 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/08 PM 5.9/ 6.4 1.4/ 1.9 1.3/ 1.8 3 None
    27/09 AM 6.2/ 6.8 1.8/ 2.2 1.4/ 1.9 3 None
    27/09 PM 5.4/ 5.9 0.9/ 1.4 0.8/ 1.3 2 None
    28/09 AM 5.9/ 6.4 1.4/ 1.9 1.0/ 1.5 1-2 None
    28/10 PM 5.2/ 5.7 0.7/ 1.1 0.7/ 1.1 1 None
    29/10 AM 5.6/ 6.1 1.1/ 1.6 0.7/ 1.1 1 None

    Narragansett Bay at Quonset Point
    MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 ft
    MHHW Categories - Minor 1.9 ft, Moderate 3.4 ft, Major 5.4 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/08 PM 5.6/ 6.1 1.5/ 2.0 1.4/ 1.9 3 None
    27/09 AM 6.1/ 6.6 2.0/ 2.5 1.5/ 2.0 3 Minor
    27/09 PM 5.1/ 5.6 1.0/ 1.5 0.9/ 1.4 2 None
    28/09 AM 5.7/ 6.2 1.6/ 2.0 1.0/ 1.5 1-2 None
    28/10 PM 4.9/ 5.4 0.8/ 1.3 0.7/ 1.1 1 None
    29/10 AM 5.4/ 5.9 1.3/ 1.8 0.7/ 1.1 1 None

    Westerly RI at Watch Hill
    MLLW Categories - Minor 5.0 ft, Moderate 8.0 ft, Major 9.5 ft
    MHHW Categories - Minor 2.0 ft, Moderate 5.0 ft, Major 6.5 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/09 PM 4.5/ 5.0 1.5/ 2.0 1.7/ 2.2 7 None
    27/09 AM 4.7/ 5.2 1.7/ 2.2 1.7/ 2.2 6 None
    27/10 PM 3.7/ 4.2 0.8/ 1.3 1.0/ 1.5 4-5 None
    28/10 AM 4.2/ 4.7 1.2/ 1.7 1.0/ 1.5 3 None
    28/11 PM 3.4/ 3.9 0.4/ 0.9 0.7/ 1.1 3 None
    29/11 AM 4.0/ 4.5 1.0/ 1.5 0.7/ 1.1 2 None

    Newport Harbor
    MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft
    MHHW Categories - Minor 2.1 ft, Moderate 3.6 ft, Major 5.1 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/08 PM 5.2/ 5.7 1.4/ 1.9 1.4/ 1.9 3 None
    27/08 AM 5.7/ 6.2 1.8/ 2.2 1.5/ 2.0 3 None
    27/09 PM 4.9/ 5.4 1.0/ 1.5 0.9/ 1.4 3 None
    28/09 AM 5.4/ 5.9 1.5/ 2.0 1.0/ 1.5 2 None
    28/10 PM 4.6/ 5.1 0.7/ 1.1 0.7/ 1.1 2 None
    29/10 AM 5.1/ 5.6 1.2/ 1.7 0.7/ 1.1 2 None

    Newport South Coast Beaches
    MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft
    MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.5 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/08 PM 5.0/ 5.5 1.5/ 2.0 1.4/ 1.9 7 None
    27/09 AM 5.2/ 5.7 1.8/ 2.2 1.3/ 1.8 6 None
    27/09 PM 4.5/ 5.0 1.0/ 1.5 0.8/ 1.3 4 None
    28/09 AM 5.0/ 5.5 1.5/ 2.0 0.9/ 1.4 3 None
    28/10 PM 4.2/ 4.7 0.8/ 1.3 0.7/ 1.1 3 None
    29/10 AM 4.7/ 5.2 1.3/ 1.8 0.7/ 1.1 2-3 None

    Block Island at Old Harbor
    MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ft
    MHHW Categories - Minor 2.8 ft, Moderate 4.3 ft, Major 5.8 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/08 PM 4.9/ 5.4 1.7/ 2.2 1.6/ 2.0 11 None
    27/08 AM 5.2/ 5.7 2.0/ 2.5 1.5/ 2.0 9-10 None
    27/09 PM 4.0/ 4.5 0.9/ 1.4 0.8/ 1.3 5-6 None
    28/09 AM 4.7/ 5.2 1.5/ 2.0 0.9/ 1.4 4 None
    28/10 PM 3.9/ 4.4 0.7/ 1.1 0.7/ 1.1 4-5 None
    29/10 AM 4.4/ 4.9 1.2/ 1.7 0.6/ 1.1 3-4 None

    Mount Hope Bay near Fall River MA
    MLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ft
    MHHW Categories - Minor 2.3 ft, Moderate 4.8 ft, Major 7.3 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/08 PM 6.0/ 6.5 1.3/ 1.8 1.2/ 1.7 3 None
    27/09 AM 6.7/ 7.2 2.0/ 2.5 1.4/ 1.9 3 None
    27/09 PM 5.7/ 6.2 1.0/ 1.5 0.8/ 1.3 2 None
    28/10 AM 6.2/ 6.8 1.6/ 2.0 0.9/ 1.4 1-2 None
    28/10 PM 5.5/ 6.0 0.8/ 1.3 0.7/ 1.1 1 None
    29/10 AM 6.0/ 6.5 1.3/ 1.8 0.7/ 1.1 1 None

    New Bedford Hurricane Barrier
    MLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 ft
    MHHW Categories - Minor 2.1 ft, Moderate 3.6 ft, Major 5.6 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/08 PM 4.9/ 5.4 1.0/ 1.5 1.0/ 1.5 6 None
    27/09 AM 5.7/ 6.2 1.8/ 2.2 1.2/ 1.7 5-6 None
    27/09 PM 4.7/ 5.2 0.8/ 1.3 0.7/ 1.1 2 None
    28/09 AM 5.4/ 5.9 1.5/ 2.0 0.9/ 1.4 1-2 None
    28/10 PM 4.6/ 5.1 0.7/ 1.1 0.7/ 1.1 2 None
    29/10 AM 5.2/ 5.7 1.3/ 1.8 0.7/ 1.1 1-2 None

    Westport
    MLLW Categories - Minor 6.0 ft, Moderate 8.0 ft, Major 10.0 ft
    MHHW Categories - Minor 2.5 ft, Moderate 4.5 ft, Major 6.5 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/08 PM 4.7/ 5.2 1.3/ 1.8 1.2/ 1.7 6 None
    27/09 AM 5.2/ 5.7 1.7/ 2.2 1.2/ 1.7 6 None
    27/09 PM 4.4/ 4.9 0.9/ 1.4 0.8/ 1.3 3-4 None
    28/09 AM 4.9/ 5.4 1.4/ 1.9 0.9/ 1.4 2 None
    28/10 PM 4.2/ 4.7 0.7/ 1.1 0.7/ 1.1 3 None
    29/10 AM 4.7/ 5.2 1.2/ 1.7 0.7/ 1.1 2-3 None

    Buzzards Bay at Mattapoisett
    MLLW Categories - Minor 8.5 ft, Moderate 10.0 ft, Major 12.0 ft
    MHHW Categories - Minor 4.4 ft, Moderate 5.9 ft, Major 7.9 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    26/08 PM 5.0/ 5.5 0.9/ 1.4 1.0/ 1.5 6 None
    27/09 AM 5.7/ 6.2 1.6/ 2.0 1.2/ 1.7 5-6 None
    27/09 PM 4.7/ 5.2 0.7/ 1.1 0.7/ 1.1 3 None
    28/10 AM 5.5/ 6.0 1.4/ 1.9 0.9/ 1.4 2 None
    28/10 PM 4.6/ 5.1 0.5/ 1.0 0.6/ 1.1 1-2 None
    29/10 AM 5.2/ 5.7 1.2/ 1.7 0.7/ 1.1 1 None

    &&