Charlestown, Charles River Weather

42°22'N 71°3'W

Home Harbor Resources

Current Conditions
Scattered Clouds
82°F
Feels like: 82°F
Wind Chill: 82°F Ceiling: Unl
Heat Index: 82°F Visibility: 10mi
Dew Point: 53°F Wind: 15mph
Humidity: 37% Direction: 290° (WNW)
Pressure: 30" Gusts: 21mph
Reported: 1 hour 1 minute ago
August 20, 2017 4:50 pm EST
Location: 42.346N 70.651W or 9 nautical miles E of search location of 42.329108295476N 70.852203369141W.
Wind Direction: NNW (330°)
Wind Speed: 10 knots
Wind Gust: 12 knots
Significant Wave Height: 1 ft
Dominant Wave Period: 7 sec
Average Period: 4.4 sec
Mean Wave Direction: ESE (102°)
Atmospheric Pressure: 29.98 in (1015.2 mb)
Pressure Tendency: +0.02 in (+0.6 mb)
Air Temperature: 74°F (23.6°C)
Water Temperature: 68°F (19.9°C)
August 20, 2017 5:04 pm EST
Location: 42.523N 70.566W or 17 nautical miles NE of search location of 42.329108295476N 70.852203369141W.
Wind Direction: NNW (330°)
Wind Speed: 8 knots
Wind Gust: 10 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 6 sec
Atmospheric Pressure: 29.97 in (1015.0 mb)
Air Temperature: 73°F (23.0°C)
Water Temperature: 67°F (19.5°C)
August 20, 2017 5:34 pm EST
Location: 41.84N 70.329W or 37 nautical miles SE of search location of 42.329108295476N 70.852203369141W.
Significant Wave Height: 1 ft
Average Period: 3.0 sec
Water Temperature: 73°F (22.5°C)
Sunday, August 20
5:57am / 7:37pm 4:28am / 7:00pm
Partly Cloudy
83°
66°
Day:
Night: Partly cloudy skies. Low 66F. Winds W at 10 to 20 mph.
Monday, August 21
5:58am / 7:36pm 5:38am / 7:41pm
Partly Cloudy
86°
71°
Day: Sunshine and clouds mixed. High 86F. Winds W at 10 to 15 mph.
Night: Mostly clear. Low 71F. Winds SW at 10 to 15 mph.
Tuesday, August 22
5:59am / 7:34pm 6:47am / 8:16pm
Partly Cloudy
87°
74°
Mix of sun and clouds. Highs in the upper 80s and lows in the mid 70s.
Wednesday, August 23
6:00am / 7:32pm 7:55am / 8:48pm
AM Thunderstorms
81°
63°
Thunderstorms early. Highs in the low 80s and lows in the low 60s.
Thursday, August 24
6:01am / 7:31pm 9:00am / 9:18pm
Partly Cloudy
78°
60°
Mix of sun and clouds. Highs in the upper 70s and lows in the low 60s.
Friday, August 25
6:02am / 7:29pm 10:03am / 9:48pm
Sunny
75°
59°
Abundant sunshine. Highs in the mid 70s and lows in the upper 50s.
Saturday, August 26
6:03am / 7:28pm 11:04am / 10:18pm
Sunny
74°
59°
Sunny. Highs in the mid 70s and lows in the upper 50s.
Sunday, August 27
6:04am / 7:26pm 12:04pm / 10:50pm
Mostly Sunny
73°
60°
Mostly sunny. Highs in the low 70s and lows in the low 60s.
Monday, August 28
6:05am / 7:24pm 1:02pm / 11:24pm
Mostly Sunny
72°
60°
Plenty of sun. Highs in the low 70s and lows in the low 60s.
Tuesday, August 29
6:06am / 7:23pm 1:58pm / 12:01am
Partly Cloudy
72°
61°
Partly cloudy. Highs in the low 70s and lows in the low 60s.
Wind Forecast
Day SundayMondayTuesday
MPH 12 6 7 7 7 11 11 10 7 7 12 18
WNW
W
W
W
W
WSW
WSW
SW
SW
SW
SSW
SSW
Radar
Marine Forecast
Synopsis: ANZ200-210815- 324 PM EDT Sun Aug 20 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will build over the waters today through Mon. The high will move offshore Tue, allowing a cold front to approach Wed. Large high pres will begin to build over the region Thu. 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. $$
Tonight
W wind around 6 kt. Clear. Seas around 1 ft.
Monday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Monday Night
SW wind around 6 kt. Mostly clear. Seas around 1 ft.
Tuesday
SSW wind 6 to 10 kt. Mostly sunny. Seas around 1 ft.
Tuesday Night
SSW wind around 12 kt. A chance of showers, with thunderstorms also possible after 1am. Seas around 1 ft.
Wednesday
WSW wind 6 to 11 kt. Showers and thunderstorms likely before noon, then a chance of showers. Seas around 1 ft.
Wednesday Night
W wind around 7 kt becoming NW after midnight. Mostly clear. Seas around 1 ft.
Thursday
NW wind around 6 kt becoming SE in the afternoon. Sunny. Seas around 1 ft.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Winds and waves 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.