Portsmouth Harbor Weather

43°5'N 70°45'W
Current Conditions
Few Clouds
62°F
Feels like: 62°F
Wind Chill: 62°F Ceiling: Unl
Heat Index: 62°F Visibility: 10mi
Dew Point: 62°F Wind: 8mph
Humidity: 97% Direction: 250° (WSW)
Pressure: 29.55" Gusts: -
Reported: 12 minutes 58 seconds ago
September 22, 2014 5:00 am EDT
Location: 42.967N 70.623W or 5 nautical miles SE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: WSW (250°)
Wind Speed: 17 knots
Wind Gust: 18 knots
Atmospheric Pressure: 29.50 in (999.1 mb)
Pressure Tendency: +0.00 in (-0.0 mb)
Air Temperature: 67°F (19.4°C)
Dew Point: 67°F (19.3°C)
September 22, 2014 5:17 am EDT
Location: 42.942N 70.632W or 6 nautical miles SSE of search location of 43.03175685184N 70.706634521484W.
Significant Wave Height: 2 ft
Dominant Wave Period: 10 sec
Average Period: 5.5 sec
Mean Wave Direction: E (100°)
Water Temperature: 61°F (16.3°C)
September 22, 2014 4:45 am EDT
Location: 43.059N 70.83W or 6 nautical miles WNW of search location of 43.03175685184N 70.706634521484W.
Wind Direction: WSW (250°)
Wind Speed: 5 knots
Atmospheric Pressure: 29.50 in (999.0 mb)
Air Temperature: 65°F (18.5°C)
Dew Point: 65°F (18.5°C)
Monday, September 22
6:29am / 6:40pm 4:54am / 5:47pm
Partly Cloudy
69°
45°
Day: A few sprinkles possible early. Some clouds this morning will give way to generally sunny skies for the afternoon. High 69F. Winds W at 15 to 25 mph.
Night: A clear sky. Low near 45F. Winds WNW at 10 to 15 mph.
Tuesday, September 23
6:30am / 6:38pm 5:52am / 6:14pm
Sunny
68°
48°
Day: Mainly sunny. High 68F. Winds WSW at 5 to 10 mph.
Night: Clear. Low 48F. Winds NNW at 5 to 10 mph.
Wednesday, September 24
6:32am / 6:36pm 6:51am / 6:43pm
Sunny
62°
45°
Mainly sunny. Highs in the low 60s and lows in the mid 40s.
Thursday, September 25
6:33am / 6:34pm 7:51am / 7:13pm
Partly Cloudy
68°
50°
Mix of sun and clouds. Highs in the upper 60s and lows in the low 50s.
Friday, September 26
6:34am / 6:32pm 8:51am / 7:46pm
Sunny
71°
56°
Sunshine. Highs in the low 70s and lows in the mid 50s.
Saturday, September 27
6:35am / 6:31pm 9:52am / 8:22pm
Sunny
74°
56°
Sunshine. Highs in the mid 70s and lows in the mid 50s.
Sunday, September 28
6:36am / 6:29pm 10:53am / 9:04pm
Sunny
72°
57°
Mainly sunny. Highs in the low 70s and lows in the upper 50s.
Monday, September 29
6:37am / 6:27pm 11:53am / 9:51pm
Mostly Sunny
73°
57°
More sun than clouds. Highs in the low 70s and lows in the upper 50s.
Tuesday, September 30
6:38am / 6:25pm 12:50pm / 10:45pm
Showers
67°
52°
Showers. Highs in the upper 60s and lows in the low 50s.
Wednesday, October 1
6:39am / 6:23pm 1:44pm / 11:46pm
AM Showers
64°
50°
A few morning showers. Highs in the mid 60s and lows in the low 50s.
Wind Forecast
Day MondayTuesday
MPH 9 14 17 12 9 7 5 6 8 5 5 5
WSW
W
WNW
WNW
WNW
W
W
W
WSW
W
NNW
NNE
Radar
Marine Forecast
  • SynopsisA COLD FRONT WILL CROSS THE WATERS EARLY TODAY PRECEDED BY A MOIST SOUTHERLY FLOW. HIGH PRES WILL BUILD IN BEHIND THE FRONT TONIGHT AND WILL REMAIN OVER THE WATERS THROUGH THE END OF THE WEEK.
  • Today W wind 10 to 15 kt, with gusts as high as 20 kt. Areas of fog before 8am. Seas 3 to 4 ft.
  • Tonight WNW wind 10 to 15 kt. Mostly clear. Seas around 2 ft.
  • Tuesday W wind 5 to 10 kt becoming SW in the afternoon. Sunny. Seas around 2 ft.
  • Tuesday Night Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 ft.
  • Wednesday Variable winds 5 kt or less. Sunny. Seas around 2 ft.
  • Wednesday Night Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
  • Thursday Variable winds 5 kt or less. Sunny. Seas 1 to 2 ft.
  • Thursday Night Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
  • Friday Variable winds 5 kt or less. Sunny. Seas 2 to 3 ft.