Portsmouth Harbor Weather

43°5'N 70°45'W
Current Conditions
Broken Clouds
56°F
Feels like: 56°F
Wind Chill: 56°F Ceiling: 25000ft
Heat Index: 56°F Visibility: 10mi
Dew Point: 55°F Wind: 2mph
Humidity: 95% Direction: 300° (WNW)
Pressure: 30.06" Gusts: -
Reported: 18 minutes 25 seconds ago
August 21, 2014 1:00 am EDT
Location: 42.967N 70.623W or 5 nautical miles SE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: NNW (340°)
Wind Speed: 4 knots
Wind Gust: 4 knots
Atmospheric Pressure: 30.05 in (1017.7 mb)
Pressure Tendency: +0.01 in (+0.4 mb)
Air Temperature: 63°F (17.2°C)
Dew Point: 62°F (16.6°C)
August 21, 2014 1:47 am EDT
Location: 42.942N 70.632W or 6 nautical miles SSE of search location of 43.03175685184N 70.706634521484W.
Significant Wave Height: 1 ft
Dominant Wave Period: 9 sec
Average Period: 6.6 sec
Mean Wave Direction: ESE (123°)
Water Temperature: 65°F (18.6°C)
August 21, 2014 12:45 am EDT
Location: 43.059N 70.83W or 6 nautical miles WNW of search location of 43.03175685184N 70.706634521484W.
Wind Direction: E (80°)
Wind Speed: 2 knots
Atmospheric Pressure: 30.03 in (1017.0 mb)
Air Temperature: 51°F (10.7°C)
Dew Point: 51°F (10.7°C)
Wednesday, August 20
5:54am / 7:37pm 1:29am / 4:22pm
Partly Cloudy
71°
56°
Day:
Night: Partly cloudy skies. Low 56F. Winds light and variable.
Thursday, August 21
5:55am / 7:36pm 2:20am / 5:04pm
Cloudy
71°
59°
Day: Cloudy skies. High 71F. Winds ENE at 5 to 10 mph.
Night: Cloudy. Low 59F. Winds light and variable.
Friday, August 22
5:56am / 7:34pm 3:14am / 5:42pm
Cloudy
67°
57°
Mostly cloudy. Highs in the upper 60s and lows in the upper 50s.
Saturday, August 23
5:57am / 7:33pm 4:09am / 6:15pm
Partly Cloudy
68°
57°
Mix of sun and clouds. Highs in the upper 60s and lows in the upper 50s.
Sunday, August 24
5:58am / 7:31pm 5:06am / 6:46pm
Mostly Sunny
71°
56°
Plenty of sun. Highs in the low 70s and lows in the mid 50s.
Monday, August 25
5:59am / 7:29pm 6:03am / 7:16pm
Sunny
75°
59°
Sunny. Highs in the mid 70s and lows in the upper 50s.
Tuesday, August 26
6:00am / 7:28pm 7:01am / 7:44pm
Sunny
79°
61°
Sunny. Highs in the upper 70s and lows in the low 60s.
Wednesday, August 27
6:01am / 7:26pm 7:59am / 8:11pm
Sunny
79°
61°
Abundant sunshine. Highs in the upper 70s and lows in the low 60s.
Thursday, August 28
6:02am / 7:24pm 8:58am / 8:40pm
Mostly Sunny
78°
60°
Plenty of sun. Highs in the upper 70s and lows in the low 60s.
Friday, August 29
6:03am / 7:23pm 9:57am / 9:10pm
Mostly Sunny
75°
59°
A few clouds. Highs in the mid 70s and lows in the upper 50s.
Wind Forecast
Day ThursdayFriday
MPH 1 2 5 6 4 3 4 6 9 10 8 4
NNW
NE
ENE
E
E
ENE
NE
NE
NE
NE
ENE
NNE
Radar
Marine Forecast
  • SynopsisHIGH PRESSURE BRINGS LIGHT WINDS AND NEARLY CALM SEAS THROUGH THE WEEKEND.
  • Overnight Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
  • Thursday Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.
  • Thursday Night Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
  • Friday ENE wind 5 to 10 kt. Mostly cloudy. Seas 1 ft or less.
  • Friday Night Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
  • Saturday NE wind around 10 kt. Partly sunny. Seas 1 ft or less.
  • Saturday Night Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
  • Sunday NNE wind 5 to 10 kt becoming ENE in the afternoon. Mostly sunny. Seas 1 ft or less.
  • Sunday Night Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.