Cohasset Harbor (White Head) Weather

42°15'N 70°47'W

Home Harbor Resources

Current Conditions
Clear
28°F
Feels like: 28°F
Wind Chill: 28°F Ceiling: Unl
Heat Index: 28°F Visibility: 10mi
Dew Point: 25°F Wind: 3mph
Humidity: 86% Direction: 260° (W)
Pressure: 30.4" Gusts: -
Reported: 12 minutes 36 seconds ago
March 19, 2019 9:50 pm EST
Location: 42.346N 70.651W or 7 nautical miles NE of search location of 42.267147008152N 70.764312744141W.
Wind Direction: SSE (150°)
Wind Speed: 8 knots
Wind Gust: 8 knots
Significant Wave Height: 1 ft
Dominant Wave Period: 11 sec
Average Period: 3.3 sec
Mean Wave Direction: ENE (59°)
Atmospheric Pressure: 30.39 in (1029.0 mb)
Pressure Tendency: +0.03 in (+0.9 mb)
Air Temperature: 37°F (3.0°C)
Dew Point: 30°F (-1.1°C)
Water Temperature: 39°F (3.8°C)
March 19, 2019 9:42 pm EST
Location: 42.355N 71.05W or 14 nautical miles WNW of search location of 42.267147008152N 70.764312744141W.
Atmospheric Pressure: 30.40 in (1029.5 mb)
Air Temperature: 38°F (3.2°C)
March 19, 2019 9:04 pm EST
Location: 42.523N 70.566W or 18 nautical miles NNE of search location of 42.267147008152N 70.764312744141W.
Wind Direction: S (190°)
Wind Speed: 6 knots
Wind Gust: 8 knots
Significant Wave Height: 1 ft
Dominant Wave Period: 3 sec
Atmospheric Pressure: 30.37 in (1028.3 mb)
Air Temperature: 37°F (2.7°C)
Water Temperature: 38°F (3.5°C)
Visibility: 1.6 nmi
Tuesday, March 19
6:48am / 6:53pm 5:17pm / 6:16am
Clear
42°
28°
Day:
Night: Clear skies. Low 28F. Winds light and variable.
Wednesday, March 20
6:46am / 6:55pm 6:33pm / 6:52am
Partly Cloudy
50°
35°
Day: Sunshine in the morning followed by cloudy skies during the afternoon. High around 50F. Winds SSW at 5 to 10 mph.
Night: Partly cloudy. Low around 35F. Winds S at 5 to 10 mph.
Thursday, March 21
6:44am / 6:56pm 7:49pm / 7:25am
Cloudy
49°
41°
Cloudy. Highs in the upper 40s and lows in the low 40s.
Friday, March 22
6:43am / 6:57pm 9:02pm / 7:56am
AM Showers
48°
33°
Showers ending by midday. Highs in the upper 40s and lows in the low 30s.
Saturday, March 23
6:41am / 6:58pm 10:13pm / 8:28am
Partly Cloudy/Wind
41°
31°
Windy with times of sun and clouds. Highs in the low 40s and lows in the low 30s.
Sunday, March 24
6:39am / 6:59pm 11:22pm / 9:01am
Sunny
54°
38°
Sunshine. Highs in the mid 50s and lows in the upper 30s.
Monday, March 25
6:37am / 7:00pm 11:59pm / 9:38am
Showers
48°
30°
Chance of showers. Highs in the upper 40s and lows in the low 30s.
Tuesday, March 26
6:36am / 7:01pm 12:27am / 10:17am
Partly Cloudy
40°
30°
Partly cloudy. Highs in the low 40s and lows in the low 30s.
Wednesday, March 27
6:34am / 7:03pm 1:28am / 11:01am
Partly Cloudy
41°
36°
Partly cloudy. Highs in the low 40s and lows in the mid 30s.
Thursday, March 28
6:32am / 7:04pm 2:23am / 11:50am
Rain/Snow Showers
46°
37°
Mix of rain and snow showers. Highs in the mid 40s and lows in the upper 30s.
Wind Forecast
Day WednesdayThursday
MPH 2 2 2 5 9 8 6 5 7 12 11 12
S
WSW
SW
SSE
SSW
S
SSW
S
SSE
SE
SE
ESE
Radar

Home Harbor Resources

Marine Forecast
Synopsis: ANZ200-201515- 1021 PM EDT Tue Mar 19 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will build east over the coastal waters through Wed. Low pres develops and tracks up the eastern seaboard Thu and Fri while intensifying into a Gale Center. NW gales develop later Fri into Sat. High pres builds across the Mid Atlc states Sun. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the Current Hazards link above the map on the left. $$
Overnight
ENE wind around 6 kt becoming variable and less than 5 kt. Clear. Seas around 1 ft.
Wednesday
WSW wind 5 to 10 kt becoming SE in the afternoon. Sunny. Seas around 1 ft.
Wednesday Night
S wind 10 to 12 kt. Mostly clear. Seas 1 to 2 ft.
Thursday
SSE wind 10 to 12 kt. A slight chance of rain after 4pm. Seas around 2 ft.
Thursday Night
E wind 9 to 12 kt, with gusts as high as 20 kt. Rain, with thunderstorms also possible after 5am. Seas 2 to 3 ft.
Friday
WSW wind 6 to 9 kt becoming W 12 to 15 kt in the afternoon. Winds could gust as high as 21 kt. A chance of rain, mainly before 1pm. Seas 3 to 4 ft.
Friday Night
W wind 15 to 19 kt, with gusts as high as 28 kt. A chance of rain between 10pm and 3am, then a chance of snow after 3am. Seas around 4 ft.
Saturday
WNW wind 19 to 21 kt, with gusts as high as 33 kt. A chance of snow showers. Seas around 4 ft.
Saturday Night
WNW wind 16 to 19 kt, with gusts as high as 28 kt. Mostly clear. Seas around 3 ft.
Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.