42.2483’ N, 70.7850’ W

Cohasset Harbor (White Head), MA

79°
H 81°
L 56°
SW
14mph
High tide
4:08 pm

Cohasset Harbor (White Head), MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Oct 2
PM Rain
Close Hourly
81º / 56º 74% SW 14 mph 64%
1pm Partly Cloudy 79º 1% SW 14 mph 61%
2pm Partly Cloudy 80º 1% SW 14 mph 59%
3pm Partly Cloudy 80º 5% SW 14 mph 59%
4pm Mostly Cloudy 78º 12% SW 13 mph 63%
5pm Rain 77º 73% SW 11 mph 66%
6pm Rain 72º 70% W 8 mph 79%
7pm Cloudy 71º 19% WNW 7 mph 84%
8pm Cloudy 69º 24% NW 6 mph 85%
9pm Mostly Cloudy 67º 24% NW 5 mph 86%
10pm Cloudy 66º 18% NW 6 mph 82%
11pm Cloudy 65º 24% NW 6 mph 82%
Sat
Oct 3
Sunny
View Hourly
63º / 51º 5% NNE 8 mph 67%
12am Cloudy 65º 14% NNW 7 mph 78%
1am Cloudy 64º 8% NW 7 mph 79%
2am Cloudy 63º 4% NNW 7 mph 78%
3am Cloudy 61º 5% NNW 7 mph 79%
4am Mostly Cloudy 60º 5% NNW 6 mph 80%
5am Partly Cloudy 59º 5% NNW 6 mph 79%
6am Partly Cloudy 58º 5% NNW 6 mph 79%
7am Sunny 57º 6% NNW 6 mph 81%
8am Sunny 59º 4% NNW 6 mph 76%
9am Sunny 60º 3% NNW 7 mph 72%
10am Sunny 62º 2% N 7 mph 67%
11am Sunny 63º 1% N 8 mph 63%
12pm Sunny 63º 1% NNE 8 mph 62%
1pm Sunny 63º 1% NE 8 mph 62%
2pm Sunny 63º 1% NE 8 mph 63%
3pm Sunny 63º 1% ENE 7 mph 63%
4pm Sunny 62º 2% ENE 7 mph 64%
5pm Sunny 61º 2% E 6 mph 66%
6pm Sunny 60º 4% ESE 4 mph 68%
7pm Clear 58º 5% ESE 4 mph 72%
8pm Clear 56º 5% ESE 3 mph 77%
9pm Clear 55º 6% E 2 mph 82%
10pm Clear 54º 6% ESE 2 mph 85%
11pm Clear 53º 6% E 2 mph 87%
Sun
Oct 4
Mostly Cloudy
View Hourly
63º / 54º 9% E 9 mph 70%
12am Clear 52º 6% E 2 mph 89%
1am Clear 52º 6% ENE 2 mph 90%
2am Clear 52º 6% ENE 2 mph 91%
3am Clear 53º 6% NE 4 mph 88%
4am Clear 54º 6% NE 5 mph 87%
5am Clear 54º 6% NE 6 mph 88%
6am Clear 54º 6% ENE 6 mph 86%
7am Sunny 54º 6% ENE 6 mph 86%
8am Sunny 56º 5% ENE 6 mph 80%
9am Partly Cloudy 58º 3% E 7 mph 75%
10am Partly Cloudy 60º 2% E 8 mph 69%
11am Mostly Cloudy 62º 1% E 9 mph 63%
12pm Mostly Cloudy 62º 1% E 9 mph 62%
Mon
Oct 5
AM Clouds/PM Sun 68º / 46º 24% W 14 mph 70%
Tue
Oct 6
Sunny 61º / 45º 0% WNW 13 mph 47%
Wed
Oct 7
Sunny 63º / 52º 2% SW 8 mph 55%
Thu
Oct 8
Mostly Sunny 68º / 55º 5% SSW 10 mph 67%
Fri
Oct 9
Mostly Sunny 69º / 55º 10% WSW 10 mph 63%

Weather Radar for Cohasset Harbor (White Head), MA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Cohasset Harbor (White Head), MA

Today
High : 73ºF
SW wind 12 to 14 kt, with gusts as high as 20 kt. A slight chance of showers after 5pm. Seas 2 to 3 ft.
Tonight
Low : 59ºF
WNW wind 7 to 9 kt becoming NNW after midnight. A chance of showers, mainly before midnight. Seas around 2 ft.
Saturday
High : 62ºF
N wind 7 to 9 kt becoming NE in the afternoon. Sunny. Seas around 2 ft.
Saturday Night
Low : 55ºF
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Sunday
High : 61ºF
E wind 8 to 10 kt. Mostly sunny. Seas around 2 ft.
Sunday Night
Low : 56ºF
ESE wind around 6 kt becoming variable and less than 5 kt in the evening. A slight chance of showers before 3am. Seas around 2 ft.
Monday
High : 66ºF
WSW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Mostly sunny. Seas around 2 ft.
Monday Night
Low : 48ºF
WNW wind around 14 kt, with gusts as high as 20 kt. Mostly clear. Seas around 3 ft.
Tuesday
High : 57ºF
WNW wind 11 to 14 kt, with gusts as high as 20 kt. Sunny. Seas 2 to 3 ft.

NOAA Buoy Data Near Cohasset Harbor (White Head), MA See Map

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    Wind Speed Forecast for Cohasset Harbor (White Head), MA

    FridaySaturdaySunday
    Wind Speed (MPH) 14115767862267
    5pm9pm1am5am9am1pm5pm9pm1am5am9am1pm
    MPH 14115767862267
    DIR SWSWNWNWNNWNNWNEEEENENEE

    Current Weather Conditions In Cohasset Harbor (White Head), MA

    As Of: 20 minutes ago

    • 79ºF
    • 82ºF
    • 14mph
    • 0º (SW)
    • 24mph
    • Partly Cloudy
    • 10mi
    • 29.81"
    • 61%
    • 0ºF

    The weather right now in Cohasset Harbor (White Head), MA is Partly Cloudy. The current temperature is 79°F, and the expected high and low for today, Friday, October 2, 2026, are 81° high temperature and 56°F low temperature. The wind is currently blowing at 14 miles per hour, and coming from the Southwest. The wind is gusting to 24 mph. With the wind and the atmosphere the temperature feels like 82° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 61 percent, and air pressure at 29.81 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 11:38am Fri Oct 2 2026

    ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

    WHAT: Southwest winds 10 to 15 kt with gusts up to 25 kt near
    shore. Seas 2 to 3 feet.

    WHERE: Massachusetts Bay and Ipswich Bay.

    WHEN: From 11 AM this morning to 8 PM EDT this evening.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

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

    &&