Nearby Harbors
42.3483’ N, 70.9600’ W

Deer Island, MA

57°
H -°
L 54°
NNE
17mph
High tide
1:21 am
Photo Credits

Deer Island, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Sep 28 		Rain
Close Hourly 		-º / 54º 95% NNW 17 mph 95%
7pm Light Rain 57º 69% NNE 17 mph 98%
8pm Cloudy 57º 24% N 14 mph 97%
9pm Cloudy 57º 17% N 14 mph 96%
10pm Cloudy 57º 17% N 13 mph 94%
11pm Cloudy 57º 15% NNW 13 mph 94%
Tue
Sep 29 		Cloudy
View Hourly 		66º / 58º 24% NW 9 mph 82%
12am Cloudy 56º 19% NNW 12 mph 95%
1am Cloudy 56º 22% NW 12 mph 95%
2am Few Showers 55º 31% NW 11 mph 96%
3am Cloudy 55º 21% NW 11 mph 96%
4am Cloudy 55º 18% NW 11 mph 94%
5am Cloudy 55º 16% WNW 8 mph 94%
6am Cloudy 55º 21% WNW 8 mph 94%
7am Cloudy 56º 24% WNW 8 mph 94%
8am Cloudy 57º 23% WNW 8 mph 89%
9am Cloudy 58º 20% WNW 8 mph 88%
10am Mostly Cloudy 60º 6% NW 9 mph 84%
11am Mostly Cloudy 62º 5% NW 9 mph 82%
12pm Mostly Cloudy 63º 5% NW 9 mph 79%
1pm Cloudy 64º 4% NW 8 mph 77%
2pm Cloudy 65º 3% NNW 7 mph 76%
3pm Cloudy 65º 3% NNW 7 mph 76%
4pm Cloudy 65º 4% N 6 mph 77%
5pm Cloudy 64º 5% N 5 mph 78%
6pm Cloudy 63º 6% N 5 mph 81%
7pm Cloudy 63º 6% N 4 mph 83%
8pm Cloudy 63º 8% NW 4 mph 83%
9pm Cloudy 62º 8% WNW 3 mph 84%
10pm Cloudy 62º 10% WNW 4 mph 85%
11pm Cloudy 61º 8% WNW 4 mph 85%
Wed
Sep 30 		Cloudy
View Hourly 		67º / 58º 11% NE 7 mph 81%
12am Cloudy 61º 9% WNW 4 mph 87%
1am Cloudy 60º 9% WNW 4 mph 87%
2am Mostly Cloudy 60º 7% WNW 3 mph 88%
3am Cloudy 60º 7% NW 3 mph 88%
4am Cloudy 59º 15% WNW 3 mph 89%
5am Cloudy 59º 20% WNW 3 mph 89%
6am Cloudy 59º 15% WNW 3 mph 90%
7am Cloudy 59º 7% WNW 3 mph 90%
8am Mostly Cloudy 60º 7% WNW 3 mph 88%
9am Mostly Cloudy 61º 12% NW 4 mph 86%
10am Mostly Cloudy 63º 6% NW 3 mph 82%
11am Mostly Cloudy 64º 5% NW 3 mph 78%
12pm Cloudy 65º 4% NE 4 mph 78%
1pm Mostly Cloudy 65º 4% ENE 4 mph 78%
2pm Mostly Cloudy 66º 4% E 5 mph 77%
3pm Cloudy 66º 5% E 5 mph 78%
4pm Mostly Cloudy 66º 5% ESE 6 mph 77%
5pm Cloudy 65º 5% SE 6 mph 78%
6pm Mostly Cloudy 65º 6% SE 7 mph 77%
Thu
Oct 1 		Partly Cloudy 78º / 65º 8% SW 13 mph 72%
Fri
Oct 2 		Partly Cloudy 81º / 59º 20% WSW 11 mph 64%
Sat
Oct 3 		Partly Cloudy 65º / 54º 22% NE 11 mph 65%
Sun
Oct 4 		Rain 60º / 55º 71% ENE 13 mph 75%
Mon
Oct 5 		Partly Cloudy 62º / 44º 24% NW 14 mph 72%

Weather Radar for Deer Island, MA See Radar

See Radar Map

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Deer Island, MA

Late Afternoon
High : 60ºF
NNE wind around 12 kt. Showers. Patchy fog. Seas 1 ft or less.
Tonight
Low : 57ºF
NNE wind 8 to 10 kt becoming N after midnight. Showers, mainly before 1am. Patchy fog. Seas 1 ft or less.
Tuesday
High : 65ºF
NW wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Patchy fog before 11am. Seas 1 ft or less.
Tuesday Night
Low : 59ºF
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Wednesday
High : 66ºF
Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.
Wednesday Night
Low : 61ºF
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Thursday
High : 74ºF
SW wind 5 to 9 kt. Mostly sunny. Seas 1 ft or less.
Thursday Night
Low : 67ºF
SW wind around 9 kt. Partly cloudy. Seas 1 ft or less.
Friday
High : 74ºF
W wind around 7 kt. Mostly sunny. Seas 1 ft or less.

NOAA Buoy Data Near Deer Island, MA See Map

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    Featured Local Businesses

    Constitution Marina with downtown Boston in the background.

    Constitution Marina
    Boston Yacht Sales Sabre 43

    Boston Yacht Sales

    Wind Speed Forecast for Deer Island, MA

    MondayTuesdayWednesday
    Wind Speed (MPH) 171311897443335
    11pm3am7am11am3pm7pm11pm3am7am11am3pm7pm
    MPH 171311897443335
    DIR NNENNWNWWNWNWNNWNWNWNWWNWNWE

    Current Weather Conditions In Deer Island, MA

    As Of: 25 minutes ago

    • 57ºF
    • 53ºF
    • 17mph
    • 0º (NNE)
    • 28mph
    • Light Rain
    • 1mi
    • 29.84"
    • 98%
    • 0ºF

    The weather right now in Deer Island, MA is Light Rain. The current temperature is 57°F, and the expected high and low for today, Monday, September 28, 2026, are -° high temperature and 54°F low temperature. The wind is currently blowing at 17 miles per hour, and coming from the North Northeast. The wind is gusting to 28 mph. With the wind and the atmosphere the temperature feels like 53° Fahrenheit. Expected precipitation is 69 percent, with current humidity at 98 percent, and air pressure at 29.84 in. Visibility is 1.5 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Coastal Flood Advisory - 2:08pm Mon Sep 28 2026

    ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

    WHAT: Up to one half foot of inundation above ground level in
    low-lying areas near shorelines and tidal waterways.

    WHERE: Eastern Massachusetts coast, including Cape Cod, Nantucket and
    Martha's Vineyard

    WHEN: Until midnight EDT tonight.

    IMPACTS: Roads remain passable. Low lying areas and roads
    near Nantucket Harbor, including Easy Street, may experience
    pockets of shallow flooding less than one foot deep.

    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.

    Gloucester Harbor
    MLLW Categories - Minor 11.5 ft, Moderate 13.0 ft, Major 15.0 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
    -------- --------- --------- --------- ------- --------
    29/01 AM 10.0/10.5 0.4/ 0.9 0.6/ 1.1 5 None
    29/01 PM 10.8/11.3 1.2/ 1.7 0.6/ 1.1 4 None
    30/02 AM 9.9/10.4 0.2/ 0.8 0.6/ 1.1 3 None

    Merrimack River near Newburyport MA
    MLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.5 ft
    MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 4.0 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/02 AM 9.2/ 9.7 -0.3/ 0.2 0.8/ 1.3 4 None
    29/02 PM 9.9/10.4 0.4/ 0.9 0.6/ 1.1 3 None
    30/02 AM 8.9/ 9.4 -0.7/-0.2 0.6/ 1.1 2 None

    Boston Harbor
    MLLW Categories - Minor 12.5 ft, Moderate 14.0 ft, Major 15.0 ft
    MHHW Categories - Minor 2.2 ft, Moderate 3.7 ft, Major 4.7 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 11.0/11.5 0.7/ 1.1 0.8/ 1.3 1-2 None
    29/02 PM 11.6/12.1 1.3/ 1.8 0.6/ 1.1 1 None
    30/02 AM 10.6/11.1 0.2/ 0.8 0.6/ 1.1 1 None

    Revere
    MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft
    MHHW Categories - Minor 2.6 ft, Moderate 4.6 ft, Major 6.1 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 10.6/11.1 0.7/ 1.1 0.7/ 1.1 1 None
    29/02 PM 11.3/11.8 1.4/ 1.9 0.6/ 1.1 1 None
    30/02 AM 10.4/10.9 0.5/ 1.0 0.6/ 1.1 1 None

    Green Harbor
    MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft
    MHHW Categories - Minor 1.6 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
    -------- --------- --------- --------- ------- --------
    29/01 AM 10.2/10.7 0.2/ 0.8 0.7/ 1.1 3-4 None
    29/02 PM 11.0/11.5 1.1/ 1.6 0.6/ 1.1 3 None
    30/02 AM 10.0/10.5 0.1/ 0.6 0.6/ 1.1 2 None

    Scituate MA
    MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft
    MHHW Categories - Minor 1.8 ft, Moderate 3.8 ft, Major 5.8 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 10.2/10.7 0.5/ 1.0 0.8/ 1.3 4-5 None
    29/02 PM 10.8/11.3 1.1/ 1.6 0.6/ 1.1 3-4 None
    30/02 AM 9.9/10.4 0.2/ 0.7 0.6/ 1.1 3 None

    Buzzards Bay at Woods Hole
    MLLW Categories - Minor 5.5 ft, Moderate 7.0 ft, Major 8.5 ft
    MHHW Categories - Minor 3.5 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
    -------- --------- --------- --------- ------- --------
    28/10 PM 2.6/ 3.1 0.6/ 1.1 0.6/ 1.1 2-3 None
    29/11 AM 3.2/ 3.7 1.2/ 1.7 0.5/ 1.0 2 None
    29/11 PM 2.5/ 3.0 0.5/ 1.0 0.6/ 1.1 1 None
    30/11 AM 3.2/ 3.7 1.2/ 1.7 0.6/ 1.1 1 None

    Chatham MA - East Coast
    MLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ft
    MHHW Categories - Minor 3.8 ft, Moderate 6.3 ft, Major 7.8 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    28/02 PM 6.8/ 7.3 1.6/ 2.0 0.9/ 1.4 4 None
    29/02 AM 5.9/ 6.4 0.7/ 1.1 0.6/ 1.1 4 None
    29/02 PM 6.6/ 7.1 1.4/ 1.9 0.5/ 1.0 3 None
    30/03 AM 5.7/ 6.2 0.5/ 1.0 0.6/ 1.1 3 None

    Chatham - South side
    MLLW Categories - Minor 9.0 ft, Moderate 10.5 ft, Major 11.5 ft
    MHHW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/02 AM 4.5/ 5.0 0.0/ 0.5 0.6/ 1.1 3 None
    29/03 PM 5.2/ 5.7 0.7/ 1.1 0.6/ 1.1 3 None
    30/03 AM 4.5/ 5.0 0.0/ 0.5 0.6/ 1.1 2 None

    Hyannis Harbor
    MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.5 ft
    MHHW Categories - Minor 1.2 ft, Moderate 2.7 ft, Major 4.7 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    28/02 PM 4.9/ 5.4 1.1/ 1.6 1.0/ 1.5 2 Minor
    29/02 AM 3.9/ 4.4 0.1/ 0.6 0.6/ 1.1 2 None
    29/03 PM 4.6/ 5.1 0.8/ 1.3 0.6/ 1.1 2 None
    30/03 AM 3.7/ 4.2 0.0/ 0.5 0.6/ 1.1 1 None

    Provincetown Harbor
    MLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft
    MHHW Categories - Minor 2.9 ft, Moderate 3.9 ft, Major 4.9 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 10.7/11.2 0.6/ 1.1 0.7/ 1.1 4 None
    29/02 PM 11.4/11.9 1.3/ 1.8 0.6/ 1.1 3 None
    30/02 AM 10.5/11.0 0.4/ 0.9 0.6/ 1.1 3 None

    Dennis - Sesuit Harbor
    MLLW Categories - Minor 13.0 ft, Moderate 14.5 ft, Major 16.0 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
    -------- --------- --------- --------- ------- --------
    29/01 AM 11.2/11.7 0.7/ 1.1 0.8/ 1.3 2 None
    29/02 PM 11.9/12.4 1.4/ 1.9 0.6/ 1.1 2 None
    30/02 AM 10.9/11.4 0.4/ 0.9 0.6/ 1.1 2 None

    Sandwich Harbor
    MLLW Categories - Minor 12.0 ft, Moderate 14.0 ft, Major 15.0 ft
    MHHW Categories - Minor 1.7 ft, Moderate 3.7 ft, Major 4.7 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 9.4/ 9.9 -1.0/-0.5 0.8/ 1.3 2 None
    29/02 PM 10.0/10.5 -0.3/ 0.2 0.6/ 1.1 2 None
    30/02 AM 9.1/ 9.6 -1.3/-0.8 0.6/ 1.1 1 None

    Wings Neck
    MLLW Categories - Minor 6.5 ft, Moderate 9.0 ft, Major 11.5 ft
    MHHW Categories - Minor 2.1 ft, Moderate 4.6 ft, Major 7.1 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    28/10 PM 4.7/ 5.2 0.2/ 0.8 0.6/ 1.1 1-2 None
    29/11 AM 5.2/ 5.7 0.9/ 1.4 0.6/ 1.1 1 None
    29/11 PM 4.5/ 5.0 0.1/ 0.6 0.6/ 1.1 1 None
    30/11 AM 5.2/ 5.7 0.8/ 1.3 0.6/ 1.1 1 None

    Edgartown
    MLLW Categories - Minor 4.0 ft, Moderate 5.0 ft, Major 7.0 ft
    MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 4.3 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    28/11 PM 2.5/ 3.0 -0.2/ 0.2 0.8/ 1.3 3 None
    29/12 PM 3.1/ 3.6 0.4/ 0.9 0.5/ 1.0 2 None
    30/03 AM 2.3/ 2.8 -0.3/ 0.2 0.6/ 1.1 1-2 None

    Vineyard Haven
    MLLW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ft
    MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.0 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/01 AM 2.1/ 2.6 0.1/ 0.6 0.6/ 1.1 2 None
    29/01 PM 2.5/ 3.0 0.5/ 1.0 0.5/ 1.0 2 None
    30/03 AM 2.2/ 2.7 0.2/ 0.7 0.6/ 1.1 1 None

    Nantucket Harbor
    MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.0 ft
    MHHW Categories - Minor 1.4 ft, Moderate 2.9 ft, Major 4.4 ft

    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    29/02 AM 3.6/ 4.1 0.0/ 0.5 0.5/ 1.0 4 None
    29/03 PM 4.5/ 5.0 0.9/ 1.4 0.6/ 1.1 3 None
    30/03 AM 3.7/ 4.2 0.1/ 0.6 0.6/ 1.1 2 None

    &&

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