Portsmouth Harbor Weather

43°5'N 70°45'W
Current Conditions
Overcast
48°F
Feels like: 43°F
Wind Chill: 43°F Ceiling: 1200ft
Heat Index: 48°F Visibility: 3mi
Dew Point: 46°F Wind: 12mph
Humidity: 93% Direction: 340° (NNW)
Pressure: 29.67" Gusts: -
Reported: 8 minutes 45 seconds ago
October 24, 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: N (350°)
Wind Speed: 21 knots
Wind Gust: 24 knots
Atmospheric Pressure: 29.63 in (1003.4 mb)
Pressure Tendency: +0.00 in (-0.0 mb)
Air Temperature: 49°F (9.5°C)
Dew Point: 47°F (8.2°C)
October 24, 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: NNW (330°)
Wind Speed: 3 knots
Atmospheric Pressure: 29.62 in (1003.0 mb)
Air Temperature: 48°F (9.1°C)
Dew Point: 48°F (8.8°C)
October 24, 2014 4:04 am EDT
Location: 43.181N 70.428W or 15 nautical miles NE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: N (360°)
Wind Speed: 21 knots
Wind Gust: 27 knots
Significant Wave Height: 11 ft
Dominant Wave Period: 11 sec
Atmospheric Pressure: 29.60 in (1002.5 mb)
Air Temperature: 50°F (10.0°C)
Water Temperature: 54°F (12.3°C)
Visibility: 1.5 nmi
Friday, October 24
7:07am / 5:46pm 7:44am / 6:22pm
AM Showers
54°
44°
Day: Rain showers this morning with overcast skies during the afternoon hours. High 54F. Winds NNW at 10 to 20 mph. Chance of rain 40%.
Night: Cloudy skies early, followed by partial clearing. Low 44F. Winds WNW at 5 to 10 mph.
Saturday, October 25
7:08am / 5:44pm 8:46am / 7:03pm
Sunny
63°
47°
Day: Sunny skies. High 63F. Winds W at 5 to 10 mph.
Night: Partly cloudy. Low 47F. Winds WSW at 10 to 15 mph.
Sunday, October 26
7:10am / 5:43pm 9:48am / 7:49pm
Partly Cloudy
56°
43°
Times of sun and clouds. Highs in the mid 50s and lows in the low 40s.
Monday, October 27
7:11am / 5:41pm 10:46am / 8:41pm
Sunny
58°
45°
Sunny. Highs in the upper 50s and lows in the mid 40s.
Tuesday, October 28
7:12am / 5:40pm 11:42am / 9:40pm
Partly Cloudy
61°
54°
Partly cloudy. Highs in the low 60s and lows in the mid 50s.
Wednesday, October 29
7:13am / 5:39pm 12:31pm / 10:43pm
PM Showers
64°
46°
Afternoon showers. Highs in the mid 60s and lows in the mid 40s.
Thursday, October 30
7:15am / 5:37pm 1:17pm / 11:50pm
Sunny
57°
46°
Sunny. Highs in the upper 50s and lows in the mid 40s.
Friday, October 31
7:16am / 5:36pm 1:57pm / 12:01am
Showers
54°
40°
Showers possible. Highs in the mid 50s and lows in the low 40s.
Saturday, November 1
7:17am / 5:35pm 2:34pm / 12:59am
Partly Cloudy
48°
37°
Times of sun and clouds. Highs in the upper 40s and lows in the upper 30s.
Sunday, November 2
6:19am / 4:33pm 2:09pm / 1:09am
Mostly Sunny
47°
41°
Plenty of sun. Highs in the upper 40s and lows in the low 40s.
Wind Forecast
Day FridaySaturday
MPH 13 13 12 8 8 7 6 7 7 6 7 9
NNW
NNW
NNW
NW
NW
WNW
WNW
WNW
W
WSW
WSW
SW
Radar
Marine Forecast
  • SynopsisLOW PRESSURE MOVES NORTHEAST INTO THE CANADIAN MARITIMES TODAY. HIGH PRESSURE CRESTS OVER THE AREA ON SATURDAY BEFORE A COLD FRONT ARRIVES SATURDAY NIGHT. A WEST TO NORTHWEST FLOW CONTINUES BEHIND THE FRONT FOR SUNDAY AND MONDAY WITH HIGH PRESSURE CRESTING OVER THE WATERS ON TUESDAY.
  • Today NNW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers, mainly before 2pm. Seas 7 ft subsiding to 5 ft.
  • Tonight WNW wind around 10 kt. Mostly cloudy. Seas 3 to 4 ft.
  • Saturday W wind 5 to 10 kt. Mostly sunny. Seas around 2 ft.
  • Saturday Night SW wind around 10 kt. Partly cloudy. Seas around 2 ft.
  • Sunday W wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 2 ft.
  • Sunday Night WNW wind 10 to 15 kt. Partly cloudy. Seas around 2 ft.
  • Monday WNW wind 10 to 15 kt. Sunny. Seas 1 to 2 ft.
  • Monday Night WNW wind 5 to 10 kt. Mostly clear. Seas around 1 ft.
  • Tuesday Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.