Portsmouth Harbor Weather

43°5'N 70°45'W
Current Conditions
Broken Clouds
68°F
Feels like: 68°F
Wind Chill: 68°F Ceiling: 8000ft
Heat Index: 68°F Visibility: 2mi
Dew Point: 68°F Wind: -
Humidity: 100% Direction: -
Pressure: 29.89" Gusts: -
Reported: 12 minutes 9 seconds ago
September 2, 2014 7:00 am EDT
Location: 42.967N 70.623W or 5 nautical miles SE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: S (180°)
Wind Speed: 7 knots
Wind Gust: 7 knots
Atmospheric Pressure: 29.88 in (1011.9 mb)
Pressure Tendency: +0.01 in (+0.4 mb)
Air Temperature: 71°F (21.4°C)
Dew Point: 69°F (20.7°C)
September 2, 2014 7:17 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: 7 sec
Average Period: 5.9 sec
Mean Wave Direction: SE (140°)
Water Temperature: 65°F (18.6°C)
September 2, 2014 6:04 am EDT
Location: 43.181N 70.428W or 15 nautical miles NE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: NNW (330°)
Wind Speed: 4 knots
Wind Gust: 6 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 11 sec
Atmospheric Pressure: 29.85 in (1010.7 mb)
Air Temperature: 64°F (17.5°C)
Water Temperature: 64°F (17.5°C)
Visibility: 0.6 nmi
Tuesday, September 2
6:08am / 7:16pm 2:00pm / 11:55pm
Partly Cloudy
81°
68°
Day: Sunshine and clouds mixed. A stray afternoon thunderstorm is possible. High 81F. Winds SSE at 5 to 10 mph.
Night: Variable clouds with scattered thunderstorms. Low 68F. Winds SW at 5 to 10 mph. Chance of rain 40%.
Wednesday, September 3
6:09am / 7:14pm 2:57pm / 12:01am
Sunny
81°
61°
Day: Sunny skies. High 81F. Winds WNW at 10 to 15 mph.
Night: Clear. Low 61F. Winds WNW at 5 to 10 mph.
Thursday, September 4
6:10am / 7:12pm 3:51pm / 12:53am
Sunny
80°
63°
Abundant sunshine. Highs in the low 80s and lows in the low 60s.
Friday, September 5
6:11am / 7:10pm 4:40pm / 1:57am
Sunny
85°
67°
Sunshine. Highs in the mid 80s and lows in the upper 60s.
Saturday, September 6
6:12am / 7:09pm 5:24pm / 3:08am
Scattered Thunderstorms
80°
58°
A few thunderstorms possible. Highs in the low 80s and lows in the upper 50s.
Sunday, September 7
6:13am / 7:07pm 6:04pm / 4:21am
Sunny
72°
53°
Sunny. Highs in the low 70s and lows in the low 50s.
Monday, September 8
6:14am / 7:05pm 6:42pm / 5:37am
Sunny
69°
55°
Sunny. Highs in the upper 60s and lows in the mid 50s.
Tuesday, September 9
6:15am / 7:03pm 7:18pm / 6:51am
Mostly Sunny
70°
56°
More sun than clouds. Highs in the low 70s and lows in the mid 50s.
Wednesday, September 10
6:16am / 7:01pm 7:54pm / 8:05am
PM Showers
70°
58°
Afternoon showers. Highs in the low 70s and lows in the upper 50s.
Thursday, September 11
6:17am / 7:00pm 8:31pm / 9:18am
Showers
73°
60°
Chance of showers. Highs in the low 70s and lows in the low 60s.
Wind Forecast
Day TuesdayWednesdayThursday
MPH 3 7 9 6 5 6 9 10 11 6 4 4
SSE
SSE
S
S
SSW
WSW
WNW
WNW
WNW
NW
WNW
WNW
Radar
Marine Forecast
  • SynopsisA COLD FRONT WILL APPROACH FROM THE WEST TODAY AND WILL CROSS THE AREA TONIGHT. HIGH PRESSURE WILL BUILD IN FROM THE WEST WEDNESDAY THROUGH THURSDAY AND WILL SHIFT OFFSHORE THURSDAY NIGHT. HIGH PRESSURE WILL HOLD OFF THE EAST COAST ON FRIDAY AS A COLD FRONT APPROACHES FROM THE WEST. THE FRONT WILL STALL NEAR THE COAST ON SATURDAY.
  • Today Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 4pm. Patchy fog before 11am. Seas around 1 ft.
  • Tonight Variable winds 5 kt or less. Showers and thunderstorms likely, mainly between 2am and 3am. Seas around 2 ft.
  • Wednesday WNW wind 10 to 15 kt. Sunny. Seas around 1 ft.
  • Wednesday Night Variable winds 5 kt or less. Clear. Seas around 1 ft.
  • Thursday Variable winds 5 kt or less. Sunny. Seas around 1 ft.
  • Thursday Night Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
  • Friday SSW wind 5 to 10 kt. Sunny. Seas 1 to 2 ft.
  • Friday Night SW wind around 10 kt. Partly cloudy. Seas around 3 ft.
  • Saturday WSW wind 5 to 10 kt. A chance of showers and thunderstorms. Seas around 2 ft.