Mattapoisett Harbor, MA Weather Forecast and Current Conditions

Day	Sky	High / Low	Precip	Wind	Humidity
Sun Sep 27	Rain Close Hourly	67º / 59º	89%	ENE 15 mph	97%
9am	Rain	64º	88%	E 12 mph	99%
10am	Showers	65º	36%	E 13 mph	99%
11am	Rain	66º	87%	E 12 mph	98%
12pm	Showers	67º	54%	E 14 mph	97%
1pm	Cloudy	67º	20%	E 13 mph	97%
2pm	Cloudy	68º	22%	ENE 13 mph	94%
3pm	Showers	67º	42%	ENE 14 mph	95%
4pm	Rain	66º	78%	ENE 15 mph	95%
5pm	Showers	65º	49%	ENE 14 mph	96%
6pm	Showers	64º	47%	ENE 13 mph	99%
7pm	Showers	63º	39%	ENE 12 mph	100%
8pm	Cloudy	61º	24%	NE 12 mph	100%
9pm	Showers	61º	52%	NE 13 mph	100%
10pm	Showers	60º	56%	NE 12 mph	100%
11pm	Rain	60º	81%	NE 11 mph	100%
Mon Sep 28	Rain View Hourly	65º / 53º	86%	NE 9 mph	96%
12am	Rain	60º	62%	NE 11 mph	100%
1am	Rain	60º	65%	NE 9 mph	100%
2am	Rain	60º	84%	NE 9 mph	100%
3am	Rain	60º	92%	NE 9 mph	100%
4am	Rain	61º	93%	NE 8 mph	99%
5am	Rain	60º	90%	NE 8 mph	100%
6am	Rain	60º	80%	NE 7 mph	100%
7am	Rain	60º	87%	NE 7 mph	100%
8am	Rain	61º	78%	NE 7 mph	100%
9am	Showers	62º	59%	ENE 8 mph	98%
10am	Showers	63º	49%	ENE 8 mph	96%
11am	Showers	65º	53%	ENE 8 mph	94%
12pm	Showers	65º	44%	ENE 8 mph	93%
1pm	Light Rain	65º	60%	ENE 8 mph	93%
2pm	Showers	65º	58%	ENE 8 mph	94%
3pm	Showers	65º	58%	NE 9 mph	94%
4pm	Light Rain	64º	64%	NE 7 mph	96%
5pm	Light Rain	64º	60%	NE 6 mph	97%
6pm	Light Rain	62º	63%	NNE 6 mph	100%
7pm	Showers	61º	56%	NNE 6 mph	100%
8pm	Light Rain	60º	60%	NNE 5 mph	100%
9pm	Showers	60º	47%	N 6 mph	100%
10pm	Light Rain	59º	61%	N 6 mph	100%
11pm	Showers	58º	51%	N 6 mph	100%
Tue Sep 29	Cloudy View Hourly	65º / 56º	12%	NW 8 mph	85%
12am	Showers	58º	39%	NNW 6 mph	100%
1am	Few Showers	57º	31%	NW 7 mph	100%
2am	Cloudy	56º	24%	NW 7 mph	100%
3am	Cloudy	55º	18%	NW 6 mph	100%
4am	Cloudy	54º	16%	NW 6 mph	100%
5am	Cloudy	55º	19%	NW 6 mph	100%
6am	Cloudy	54º	11%	WNW 5 mph	100%
7am	Cloudy	54º	10%	WNW 5 mph	100%
8am	Cloudy	57º	10%	WNW 5 mph	98%
Wed Sep 30	Partly Cloudy	68º / 57º	10%	WSW 6 mph	82%
Thu Oct 1	Partly Cloudy	73º / 62º	8%	SW 12 mph	84%
Fri Oct 2	Partly Cloudy	76º / 56º	20%	WSW 10 mph	71%
Sat Oct 3	Partly Cloudy	65º / 51º	24%	N 9 mph	59%
Sun Oct 4	PM Showers	63º / 51º	40%	ENE 10 mph	63%

Buoy Data
For Mattapoisett Harbor, MA
Wind Forecast
In Mattapoisett Harbor, MA
Radar
In Mattapoisett Harbor, MA
Marine Forecast
In Mattapoisett Harbor, MA

Weather Radar for Mattapoisett Harbor, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Mattapoisett Harbor, MA

Today

High : 69ºF
E wind 11 to 14 kt, with gusts as high as 27 kt. Showers likely, with thunderstorms also possible after 11am. Seas 1 ft or less.

Tonight

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.

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Wind Speed Forecast for Mattapoisett Harbor, MA

	Sunday			Monday						Tuesday
Wind Speed (MPH)	12	13	14	13	9	8	8	8	6	6	7	6
	1pm	5pm	9pm	1am	5am	9am	1pm	5pm	9pm	1am	5am	9am
MPH	12	13	14	13	9	8	8	8	6	6	7	6

DIR	E	E	ENE	NE	NE	NE	ENE	ENE	NE	N	NW	NW

Current Weather Conditions In Mattapoisett Harbor, MA

As Of: 8 seconds ago

Temperature: 64ºF
Feels Like: 64ºF

Wind Speed: 12mph
Direction: 0º (E)
Gusts: 23mph

Cloud Cover: Rain
Visibility: 2mi

Pressure: 29.70"
Humidity: 99%
Dew Point: 0ºF

The weather right now in Mattapoisett Harbor, MA is Rain. The current temperature is 64°F, and the expected high and low for today, Sunday, September 27, 2026, are 67° high temperature and 59°F low temperature. The wind is currently blowing at 12 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 64° Fahrenheit. Expected precipitation is 88 percent, with current humidity at 99 percent, and air pressure at 29.7 in. Visibility is 2.6 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