Charlestown, Charles River Weather

42°22'N 71°3'W

Home Harbor Resources

Current Conditions
Overcast
76°F
Feels like: 76°F
Wind Chill: 76°F Ceiling: 1400ft
Heat Index: 76°F Visibility: 0.75mi
Dew Point: 73°F Wind: 32mph
Humidity: 91% Direction: 290° (WNW)
Pressure: 29.72" Gusts: 48mph
Reported: 3 minutes 31 seconds ago
September 18, 2018 8:50 am EST
Location: 42.346N 70.651W or 9 nautical miles E of search location of 42.329108295476N 70.852203369141W.
Wind Direction: SSE (160°)
Wind Speed: 14 knots
Wind Gust: 16 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 12 sec
Average Period: 4.0 sec
Mean Wave Direction: E (92°)
Atmospheric Pressure: 29.72 in (1006.3 mb)
Pressure Tendency: -0.09 in (-3.2 mb)
Air Temperature: 72°F (22.1°C)
Dew Point: 71°F (21.9°C)
Water Temperature: 68°F (20.0°C)
September 18, 2018 9:30 am EST
Location: 42.355N 71.05W or 9 nautical miles W of search location of 42.329108295476N 70.852203369141W.
Atmospheric Pressure: 29.70 in (1005.9 mb)
Air Temperature: 76°F (24.3°C)
September 18, 2018 7:50 am EST
Location: 42.206N 70.143W or 32 nautical miles ESE of search location of 42.329108295476N 70.852203369141W.
Wind Direction: S (170°)
Wind Speed: 14 knots
Wind Gust: 16 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 8 sec
Average Period: 6.3 sec
Mean Wave Direction: E (96°)
Atmospheric Pressure: 29.80 in (1009.2 mb)
Pressure Tendency: -0.07 in (-2.4 mb)
Air Temperature: 71°F (21.4°C)
Dew Point: 71°F (21.4°C)
Tuesday, September 18
6:27am / 6:48pm 3:24pm / 12:09am
Thunderstorms
77°
63°
Day: Thunderstorms likely. High 77F. Winds WNW at 10 to 20 mph. Chance of rain 100%. Localized flooding is possible.
Night: Partly cloudy this evening followed by increasing clouds with showers developing after midnight. Low 63F. Winds NNW at 10 to 15 mph. Chance of rain 60%.
Wednesday, September 19
6:28am / 6:46pm 4:07pm / 12:59am
AM Showers
67°
58°
Day: Showers in the morning, then cloudy in the afternoon. High 67F. Winds NNE at 10 to 20 mph. Chance of rain 40%.
Night: Mostly clear skies. Low 58F. Winds NE at 10 to 15 mph.
Thursday, September 20
6:29am / 6:44pm 4:47pm / 1:53am
Partly Cloudy
65°
59°
Times of sun and clouds. Highs in the mid 60s and lows in the upper 50s.
Friday, September 21
6:30am / 6:43pm 5:22pm / 2:49am
Cloudy/Wind
75°
67°
Windy, and mainly cloudy. Highs in the mid 70s and lows in the upper 60s.
Saturday, September 22
6:31am / 6:41pm 5:53pm / 3:48am
Partly Cloudy
70°
55°
Mix of sun and clouds. Highs in the low 70s and lows in the mid 50s.
Sunday, September 23
6:32am / 6:39pm 6:22pm / 4:47am
Partly Cloudy
66°
56°
Partly cloudy. Highs in the mid 60s and lows in the mid 50s.
Monday, September 24
6:33am / 6:37pm 6:50pm / 5:48am
Mostly Sunny
68°
57°
More sun than clouds. Highs in the upper 60s and lows in the upper 50s.
Tuesday, September 25
6:34am / 6:35pm 7:18pm / 6:50am
Partly Cloudy
69°
62°
Mix of sun and clouds. Highs in the upper 60s and lows in the low 60s.
Wednesday, September 26
6:35am / 6:34pm 7:46pm / 7:53am
Partly Cloudy
71°
63°
Mix of sun and clouds. Highs in the low 70s and lows in the low 60s.
Thursday, September 27
6:36am / 6:32pm 8:15pm / 8:57am
Partly Cloudy
71°
62°
Mix of sun and clouds. Highs in the low 70s and lows in the low 60s.
Wind Forecast
Day TuesdayWednesdayThursday
MPH 15 10 5 7 12 12 14 13 10 11 10 10
SSW
NW
NNW
N
NNE
NNE
NNE
NE
NE
NE
NNE
N
Radar

Home Harbor Resources

Marine Forecast
Synopsis: ANZ200-190315- 1017 AM EDT Tue Sep 18 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... Remnants of Florence will sweep across the waters today. Winds may approach gale force with the passage of the system. High pressure will bring north to northeast winds Wed and Thu. A warm front will push N of the waters Thu night, with S-SW winds possibly approach gale force Fri. A cold front will push across the waters early Sat. 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. $$
This Afternoon
S wind 8 to 10 kt becoming WSW. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas around 2 ft.
Tonight
WNW wind 6 to 10 kt becoming NE after midnight. Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 4am, then a chance of drizzle after 4am. Patchy fog. Seas 1 to 2 ft.
Wednesday
NNE wind 11 to 16 kt. A chance of drizzle before 9am. Patchy fog before 9am. Seas 2 to 3 ft.
Wednesday Night
NE wind around 11 kt. Mostly cloudy. Seas around 2 ft.
Thursday
NE wind around 8 kt. Mostly sunny. Seas around 2 ft.
Thursday Night
ESE wind around 8 kt becoming SSE after midnight. Mostly cloudy. Seas around 2 ft.
Friday
S wind 9 to 14 kt. Partly sunny. Seas around 2 ft.
Friday Night
SW wind 10 to 13 kt, with gusts as high as 20 kt. Mostly cloudy. Seas around 2 ft.
Saturday
NW wind 7 to 11 kt becoming N in the afternoon. Mostly sunny. Seas 1 to 2 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.