Boston Harbor Weather

42°21'N 71°3'W

Home Harbor Resources

Current Conditions
Overcast
80°F
Feels like: 81°F
Wind Chill: 80°F Ceiling: 10000ft
Heat Index: 81°F Visibility: 10mi
Dew Point: 59°F Wind: 14mph
Humidity: 48% Direction: 280° (W)
Pressure: 29.82" Gusts: -
Reported: 1 hour 56 seconds ago
July 21, 2017 11:18 pm EST
Location: 42.355N 71.05W or 3 nautical miles WNW of search location of 42.338499N 70.982666W.
Atmospheric Pressure: 29.79 in (1008.8 mb)
Air Temperature: 79°F (26.3°C)
July 21, 2017 10:50 pm EST
Location: 42.346N 70.651W or 15 nautical miles E of search location of 42.338499N 70.982666W.
Wind Direction: W (270°)
Wind Speed: 10 knots
Wind Gust: 12 knots
Significant Wave Height: 1 ft
Dominant Wave Period: 11 sec
Average Period: 4.8 sec
Mean Wave Direction: ENE (57°)
Atmospheric Pressure: 29.79 in (1008.8 mb)
Pressure Tendency: +0.01 in (+0.5 mb)
Air Temperature: 74°F (23.6°C)
Water Temperature: 70°F (21.2°C)
July 21, 2017 10:04 pm EST
Location: 42.523N 70.566W or 22 nautical miles ENE of search location of 42.338499N 70.982666W.
Wind Direction: W (270°)
Wind Speed: 6 knots
Wind Gust: 6 knots
Significant Wave Height: 1 ft
Dominant Wave Period: 6 sec
Atmospheric Pressure: 29.77 in (1008.1 mb)
Air Temperature: 70°F (21.3°C)
Water Temperature: 63°F (17.2°C)
Friday, July 21
5:26am / 8:14pm 3:32am / 6:36pm
Partly Cloudy
89°
72°
Day:
Night: Partly cloudy skies. Low 72F. Winds WNW at 10 to 15 mph.
Saturday, July 22
5:27am / 8:13pm 4:33am / 7:35pm
Partly Cloudy
84°
68°
Day: Partly cloudy skies. High 84F. NNW winds shifting to ESE at 10 to 15 mph.
Night: Overcast. Low 68F. Winds ENE at 10 to 20 mph.
Sunday, July 23
5:28am / 8:12pm 5:40am / 8:25pm
Partly Cloudy
72°
63°
Mix of sun and clouds. Highs in the low 70s and lows in the low 60s.
Monday, July 24
5:29am / 8:11pm 6:50am / 9:09pm
AM Thunderstorms
69°
64°
Thunderstorms early. Highs in the upper 60s and lows in the mid 60s.
Tuesday, July 25
5:30am / 8:10pm 8:00am / 9:46pm
AM Showers
71°
59°
A few morning showers. Highs in the low 70s and lows in the upper 50s.
Wednesday, July 26
5:31am / 8:09pm 9:08am / 10:19pm
Partly Cloudy
78°
65°
Partly cloudy. Highs in the upper 70s and lows in the mid 60s.
Thursday, July 27
5:32am / 8:08pm 10:13am / 10:50pm
Scattered Thunderstorms
74°
67°
A few thunderstorms possible. Highs in the mid 70s and lows in the upper 60s.
Friday, July 28
5:33am / 8:07pm 11:17am / 11:19pm
Mostly Sunny
81°
65°
More sun than clouds. Highs in the low 80s and lows in the mid 60s.
Saturday, July 29
5:34am / 8:06pm 12:17pm / 11:49pm
Sunny
80°
67°
Sunshine. Highs in the low 80s and lows in the upper 60s.
Sunday, July 30
5:35am / 8:05pm 1:17pm / 12:01am
Sunny
79°
66°
Sunny. Highs in the upper 70s and lows in the mid 60s.
Wind Forecast
Day SaturdaySunday
MPH 13 7 7 10 10 7 6 13 13 14 11 8
W
WNW
NW
ESE
E
SSE
NNE
NE
NE
ENE
E
E
Radar
Marine Forecast
Synopsis: ANZ200-221530- 1020 PM EDT Fri Jul 21 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak low pressure along the New England coast this evening will give way to high pressure on Saturday. A warm front approaches on Sunday with a coastal low pressure system moving along the front and over the waters on Monday and Tuesday. High pressure builds in from the west on Wednesday. Another cold front will cross the waters Thursday night and Friday morning. 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
WNW wind around 6 kt. Mostly clear. Seas around 1 ft.
Saturday
Variable winds less than 5 kt becoming ESE around 6 kt in the afternoon. Mostly sunny. Seas around 1 ft.
Saturday Night
ESE wind 5 to 8 kt becoming NE 9 to 12 kt after midnight. A slight chance of showers after 11pm. Seas around 1 ft.
Sunday
NE wind 9 to 12 kt decreasing to 6 to 9 kt in the afternoon. Mostly cloudy. Seas 1 to 2 ft.
Sunday Night
E wind around 6 kt becoming variable and less than 5 kt. A chance of showers, mainly after 10pm. Patchy fog after 2am. Seas around 1 ft.
Monday
ENE wind 6 to 8 kt. Showers likely, with thunderstorms also possible after 2pm. Seas around 1 ft.
Monday Night
NNE wind 5 to 8 kt. A chance of showers. Patchy fog after 2am. Seas around 1 ft.
Tuesday
NNE wind around 7 kt. A chance of showers. Seas around 1 ft.
Tuesday Night
NE wind 5 to 7 kt becoming NNW after midnight. Patchy fog after 2am. Seas around 1 ft.
Winds and seas higher in and near tstms. 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.