Deer Island, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Jun 13 		Mostly Clear -º / 67º 1% W 7 mph 60%
Sun
Jun 14 		Partly Cloudy
View Hourly 		86º / 67º 1% SSW 19 mph 46%
12am Clear 76º 1% W 8 mph 52%
1am Clear 74º 1% W 7 mph 55%
2am Clear 72º 1% W 6 mph 58%
3am Mostly Clear 70º 1% W 7 mph 62%
4am Partly Cloudy 69º 1% W 6 mph 64%
5am Partly Cloudy 68º 1% WSW 6 mph 65%
6am Partly Cloudy 68º 1% WSW 5 mph 64%
7am Partly Cloudy 71º 1% WSW 5 mph 63%
8am Partly Cloudy 73º 1% WSW 6 mph 59%
9am Partly Cloudy 76º 1% SW 7 mph 55%
10am Partly Cloudy 79º 0% SW 9 mph 48%
11am Partly Cloudy 82º 0% SSW 9 mph 43%
12pm Partly Cloudy 84º 0% SSW 11 mph 41%
1pm Mostly Sunny 85º 0% SSW 13 mph 39%
2pm Partly Cloudy 85º 0% SSW 16 mph 39%
3pm Partly Cloudy 84º 0% SSW 18 mph 41%
4pm Mostly Cloudy 83º 0% SSW 19 mph 41%
5pm Mostly Cloudy 83º 0% SSW 19 mph 41%
6pm Cloudy 82º 0% SSW 19 mph 45%
7pm Mostly Cloudy 79º 0% SSW 18 mph 49%
8pm Mostly Cloudy 77º 2% SSW 16 mph 54%
9pm Cloudy 75º 2% SSW 16 mph 57%
10pm Cloudy 74º 2% SSW 16 mph 60%
11pm Cloudy 73º 2% SSW 16 mph 63%
Mon
Jun 15 		Partly Cloudy
View Hourly 		78º / 60º 24% WNW 12 mph 59%
12am Cloudy 72º 3% SSW 15 mph 67%
1am Few Showers 71º 31% SSW 14 mph 74%
2am Showers 70º 57% S 13 mph 78%
3am Thunderstorms 69º 72% S 12 mph 83%
4am Thunderstorms 68º 69% SSW 10 mph 86%
5am Few Showers 68º 33% S 9 mph 89%
6am Showers 69º 42% SSW 9 mph 88%
7am Mostly Cloudy 69º 24% WSW 9 mph 89%
8am Partly Cloudy 70º 23% W 10 mph 83%
9am Partly Cloudy 72º 5% WNW 10 mph 75%
10am Partly Cloudy 73º 1% WNW 10 mph 68%
11am Mostly Sunny 75º 1% NW 10 mph 60%
12pm Mostly Sunny 76º 1% WNW 10 mph 56%
1pm Sunny 77º 1% WNW 10 mph 50%
2pm Sunny 78º 0% WNW 11 mph 47%
3pm Sunny 78º 0% WNW 11 mph 47%
4pm Partly Cloudy 77º 0% WNW 11 mph 46%
5pm Partly Cloudy 77º 0% WNW 12 mph 45%
6pm Partly Cloudy 76º 0% WNW 11 mph 46%
7pm Partly Cloudy 74º 0% WNW 11 mph 47%
8pm Partly Cloudy 72º 1% WNW 11 mph 51%
9pm Clear 71º 1% WNW 11 mph 52%
10pm Mostly Clear 69º 1% WNW 11 mph 56%
11pm Clear 67º 1% WNW 10 mph 59%
Tue
Jun 16 		Mostly Sunny 74º / 60º 2% ESE 10 mph 49%
Wed
Jun 17 		Mostly Cloudy 76º / 62º 21% S 12 mph 54%
Thu
Jun 18 		Showers 78º / 68º 38% S 17 mph 72%
Fri
Jun 19 		Showers 79º / 64º 45% W 14 mph 62%
Sat
Jun 20 		Mostly Sunny 79º / 62º 22% W 13 mph 48%

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

Overnight
Low : 68ºF
Variable winds less than 5 kt becoming W around 6 kt after midnight. Mostly clear. Seas 1 ft or less.
Sunday
High : 91ºF
Variable winds less than 5 kt becoming S 9 to 14 kt in the morning. Winds could gust as high as 20 kt. Increasing clouds. Seas 1 ft or less.
Sunday Night
Low : 66ºF
SSW wind 9 to 13 kt, with gusts as high as 22 kt. Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms, mainly between 4am and 5am. Seas 1 ft or less.
Monday
High : 81ºF
WNW wind around 9 kt. A slight chance of showers before 7am. Seas 1 ft or less.
Monday Night
Low : 62ºF
WNW wind 5 to 7 kt. Mostly clear. Seas 1 ft or less.
Tuesday
High : 78ºF
Variable winds less than 5 kt becoming SSE 5 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
Low : 62ºF
SW wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
High : 79ºF
Variable winds less than 5 kt becoming SSE 7 to 12 kt in the morning. Mostly sunny. Seas 1 ft or less.
Wednesday Night
Low : 64ºF
S wind 7 to 11 kt. Partly cloudy. 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.

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    Wind Speed Forecast for Deer Island, MA

    SundayMondayTuesday
    Wind Speed (MPH) 866111916151010101111
    4am8am12pm4pm8pm12am4am8am12pm4pm8pm12am
    MPH 866111916151010101111
    DIR WWWSWSSWSSWSSWSSWSSWWWNWWNWWNW

    Current Weather Conditions In Deer Island, MA

    As Of: 22 seconds ago

    • 76ºF
    • 76ºF
    • 8mph
    • 0º (W)
    • 8mph
    • Clear
    • 10mi
    • 29.84"
    • 52%
    • 0ºF

    The weather right now in Deer Island, MA is Clear. The current temperature is 76°F, and the expected high and low for today, Sunday, June 14, 2026, are -° high temperature and 67°F low temperature. The wind is currently blowing at 8 miles per hour, and coming from the West. The wind is gusting to 8 mph. With the wind and the atmosphere the temperature feels like 76° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 52 percent, and air pressure at 29.84 in. Visibility is 10 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 2:01pm Sat Jun 13 2026

    ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 2 AM EDT MONDAY...

    WHAT: South winds 10 to 20 kt with gusts up to 25 kt and
    waves around 2 feet expected.

    WHERE: Boston Harbor.

    WHEN: From noon Sunday to 2 AM EDT Monday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&

    Coastal Flood Statement - 2:00pm Sat Jun 13 2026

    ...COASTAL FLOOD STATEMENT IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH LATE MONDAY NIGHT...

    WHAT: Up to one foot of inundation above ground level
    expected in low-lying areas near shorelines and tidal
    waterways (2.9 to 13.0 feet Mean Lower Low Water) around the
    evening high tides.

    WHERE: Eastern Essex MA, Suffolk MA, Eastern Norfolk MA,
    Eastern Plymouth MA, Barnstable MA and Dukes MA Counties.

    WHEN: From 9 PM EDT this evening through late Monday night.
    The evening high tide periods tonight, Sunday night and Monday
    night are of the greatest concern.

    IMPACTS: Shallow pockets of flooding less than one foot deep
    affects the lowest lying areas along the coast, including
    Morrissey Boulevard in Boston. Most roads remain passable.
    Flooding up to one foot deep affects coastal roads on the
    North Shore from Salem to Gloucester and Newburyport. Rough
    surf will cause flooding on some coastal roads around the time
    of high tide due to splashover.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Do not drive through flooded roadways.

    &&

    &&

    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
    -------- --------- --------- --------- ------- --------
    13/10 PM 11.2/11.7 1.6/ 2.0 0.5/ 1.0 2 None
    14/11 AM 9.5/10.0 -0.2/ 0.3 0.5/ 1.0 1-2 None
    14/11 PM 11.6/12.1 2.0/ 2.5 0.5/ 1.0 3 Minor
    15/12 PM 9.7/10.2 0.1/ 0.6 0.5/ 1.0 2 None
    16/12 AM 11.8/12.3 2.2/ 2.7 0.5/ 1.0 2 Minor

    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
    -------- --------- --------- --------- ------- --------
    13/11 PM 10.2/10.7 0.7/ 1.1 0.5/ 1.0 1 None
    14/11 AM 8.5/ 9.0 -1.1/-0.6 0.5/ 1.0 1-2 None
    15/12 AM 10.3/10.8 0.8/ 1.3 0.4/ 0.9 2-3 None
    15/12 PM 8.7/ 9.2 -0.9/-0.4 0.5/ 1.0 1-2 None
    16/12 AM 10.5/11.0 1.0/ 1.5 0.5/ 1.0 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
    -------- --------- --------- --------- ------- --------
    13/10 PM 12.0/12.5 1.7/ 2.2 0.5/ 1.0 1 None
    14/11 AM 10.3/10.8 0.0/ 0.5 0.5/ 1.0 1-2 None
    14/11 PM 12.4/12.9 2.1/ 2.6 0.5/ 1.0 2 Minor
    15/12 PM 10.5/11.0 0.2/ 0.7 0.5/ 1.0 1-2 None
    16/12 AM 12.5/13.0 2.2/ 2.7 0.5/ 1.0 1 Minor

    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
    -------- --------- --------- --------- ------- --------
    13/10 PM 11.7/12.2 1.8/ 2.2 0.5/ 1.0 1 None
    14/11 AM 10.1/10.6 0.2/ 0.7 0.5/ 1.0 1-2 None
    14/11 PM 12.0/12.5 2.1/ 2.6 0.5/ 1.0 2 None
    15/12 PM 10.3/10.8 0.4/ 0.9 0.5/ 1.0 1 None
    16/12 AM 12.2/12.7 2.2/ 2.7 0.5/ 1.0 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
    -------- --------- --------- --------- ------- --------
    13/10 PM 11.3/11.8 1.4/ 1.9 0.5/ 1.0 1 Minor
    14/11 AM 9.7/10.2 -0.2/ 0.2 0.5/ 1.0 1-2 None
    14/11 PM 11.7/12.2 1.8/ 2.2 0.5/ 1.0 3 Minor
    15/12 PM 9.9/10.4 0.0/ 0.5 0.5/ 1.0 1 None
    16/12 AM 12.0/12.5 2.1/ 2.6 0.5/ 1.0 1 Minor

    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
    -------- --------- --------- --------- ------- --------
    13/10 PM 11.1/11.6 1.4/ 1.9 0.5/ 1.0 1 None
    14/11 AM 9.5/10.0 -0.2/ 0.2 0.5/ 1.0 1-2 None
    14/11 PM 11.4/11.9 1.7/ 2.2 0.4/ 0.9 3 Minor
    15/12 PM 9.7/10.2 0.0/ 0.5 0.5/ 1.0 1 None
    16/12 AM 11.8/12.3 2.1/ 2.6 0.5/ 1.0 1-2 Minor

    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
    -------- --------- --------- --------- ------- --------
    13/08 PM 3.5/ 4.0 1.5/ 2.0 0.6/ 1.1 2 None
    14/08 AM 2.2/ 2.7 0.2/ 0.8 0.4/ 0.9 1 None
    14/09 PM 3.7/ 4.2 1.8/ 2.2 0.8/ 1.3 2-3 None
    15/09 AM 2.3/ 2.8 0.4/ 0.9 0.5/ 1.0 2 None
    15/09 PM 3.6/ 4.1 1.6/ 2.0 0.6/ 1.1 2 None
    16/10 AM 2.3/ 2.8 0.4/ 0.9 0.4/ 0.9 2 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
    -------- --------- --------- --------- ------- --------
    13/11 PM 6.8/ 7.3 1.6/ 2.0 0.5/ 1.0 2 None
    14/12 PM 5.2/ 5.7 0.1/ 0.6 0.5/ 1.0 2 None
    15/12 AM 6.9/ 7.4 1.7/ 2.2 0.4/ 0.9 3 None
    15/01 PM 5.4/ 5.9 0.2/ 0.7 0.5/ 1.0 2 None
    16/01 AM 7.1/ 7.6 1.9/ 2.3 0.5/ 1.0 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
    -------- --------- --------- --------- ------- --------
    13/11 PM 5.6/ 6.1 1.1/ 1.6 0.6/ 1.1 2 None
    14/12 PM 4.0/ 4.5 -0.5/ 0.0 0.5/ 1.0 1-2 None
    15/12 AM 5.5/ 6.0 1.0/ 1.5 0.2/ 0.8 2-3 None
    15/01 PM 4.0/ 4.5 -0.5/ 0.0 0.4/ 0.9 2 None
    16/01 AM 5.7/ 6.2 1.2/ 1.7 0.4/ 0.9 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
    -------- --------- --------- --------- ------- --------
    13/11 PM 5.0/ 5.5 1.2/ 1.7 0.5/ 1.0 1 Minor
    14/12 PM 3.6/ 4.1 -0.2/ 0.2 0.5/ 1.0 1-2 None
    15/12 AM 5.0/ 5.5 1.2/ 1.7 0.2/ 0.8 2-3 Minor
    15/01 PM 3.6/ 4.1 -0.2/ 0.2 0.4/ 0.9 1 None
    16/01 AM 5.2/ 5.7 1.4/ 1.9 0.4/ 0.9 1 Minor

    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
    -------- --------- --------- --------- ------- --------
    13/10 PM 11.8/12.3 1.7/ 2.2 0.5/ 1.0 1 None
    14/11 AM 10.0/10.5 -0.2/ 0.3 0.4/ 0.9 1-2 None
    14/11 PM 12.0/12.5 1.9/ 2.3 0.5/ 1.0 3 None
    15/12 PM 10.2/10.7 0.1/ 0.6 0.5/ 1.0 1-2 None
    16/12 AM 12.1/12.6 2.0/ 2.5 0.5/ 1.0 1-2 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
    -------- --------- --------- --------- ------- --------
    13/10 PM 12.1/12.6 1.6/ 2.0 0.5/ 1.0 1 None
    14/11 AM 10.5/11.0 0.0/ 0.5 0.4/ 0.9 1-2 None
    14/11 PM 12.5/13.0 2.0/ 2.5 0.4/ 0.9 2-3 None
    15/12 PM 10.9/11.4 0.4/ 0.9 0.6/ 1.1 1 None
    16/12 AM 12.8/13.3 2.2/ 2.7 0.5/ 1.0 1 Minor

    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
    -------- --------- --------- --------- ------- --------
    13/10 PM 10.5/11.0 0.2/ 0.7 0.5/ 1.0 1 None
    14/11 AM 8.9/ 9.4 -1.5/-1.0 0.5/ 1.0 1-2 None
    14/11 PM 10.8/11.3 0.5/ 1.0 0.4/ 0.9 3 None
    15/12 PM 9.2/ 9.7 -1.1/-0.7 0.6/ 1.1 1 None
    16/12 AM 11.1/11.6 0.8/ 1.3 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
    -------- --------- --------- --------- ------- --------
    13/07 PM 5.7/ 6.2 1.4/ 1.9 0.8/ 1.3 1 None
    14/08 AM 4.6/ 5.1 0.2/ 0.7 0.5/ 1.0 1 None
    14/09 PM 6.2/ 6.7 1.8/ 2.2 1.1/ 1.6 3 None
    15/09 AM 4.7/ 5.2 0.4/ 0.9 0.6/ 1.1 1-2 None
    15/09 PM 5.7/ 6.2 1.3/ 1.8 0.6/ 1.1 1 None
    16/10 AM 4.7/ 5.2 0.2/ 0.8 0.5/ 1.0 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
    -------- --------- --------- --------- ------- --------
    13/09 PM 3.5/ 4.0 0.8/ 1.3 0.5/ 1.0 2 None
    14/11 AM 2.1/ 2.6 -0.7/-0.2 0.4/ 0.9 1-2 None
    14/10 PM 3.5/ 4.0 0.8/ 1.3 0.5/ 1.0 2-3 None
    15/11 AM 2.2/ 2.7 -0.6/-0.1 0.6/ 1.1 2 None
    16/12 AM 3.5/ 4.0 0.8/ 1.3 0.4/ 0.9 3 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
    -------- --------- --------- --------- ------- --------
    13/10 PM 2.7/ 3.2 0.7/ 1.1 0.5/ 1.0 2 None
    14/12 PM 2.1/ 2.6 0.1/ 0.6 0.5/ 1.0 1-2 None
    14/11 PM 2.7/ 3.2 0.7/ 1.1 0.4/ 0.9 2-3 None
    15/01 PM 2.1/ 2.6 0.1/ 0.6 0.4/ 0.9 2 None
    16/12 AM 2.7/ 3.2 0.7/ 1.1 0.4/ 0.9 2 None

    &&