Portsmouth Harbor Weather

43°5'N 70°45'W
Current Conditions
Few Clouds
48°F
Feels like: 43°F
Wind Chill: 43°F Ceiling: Unl
Heat Index: 48°F Visibility: 10mi
Dew Point: 43°F Wind: 13mph
Humidity: 82% Direction: 10° (N)
Pressure: 30.45" Gusts: -
Reported: 59 minutes 31 seconds ago
September 29, 2016 7:00 am EDT
Location: 42.967N 70.623W or 5 nautical miles SE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: N (10°)
Wind Speed: 19 knots
Wind Gust: 22 knots
Atmospheric Pressure: 30.43 in (1030.5 mb)
Pressure Tendency: +0.06 in (+1.9 mb)
Air Temperature: 53°F (11.5°C)
Dew Point: 48°F (8.7°C)
September 29, 2016 7:04 am EDT
Location: 43.181N 70.428W or 15 nautical miles NE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: NNE (30°)
Wind Speed: 19 knots
Wind Gust: 23 knots
Significant Wave Height: 8 ft
Dominant Wave Period: 8 sec
Atmospheric Pressure: 30.44 in (1030.9 mb)
Air Temperature: 54°F (12.2°C)
Water Temperature: 59°F (14.8°C)
Visibility: 1.5 nmi
September 29, 2016 7:18 am EDT
Location: 43.32N 70.563W or 18 nautical miles NNE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: N (10°)
Wind Speed: 12 knots
Wind Gust: 15 knots
Atmospheric Pressure: 30.47 in (1031.7 mb)
Air Temperature: 48°F (9.0°C)
Water Temperature: 57°F (14.0°C)
Thursday, September 29
6:38am / 6:26pm 5:08am / 6:00pm
Partly Cloudy
61°
51°
Day: Partly cloudy skies. High 61F. Winds NE at 15 to 25 mph.
Night: Partly cloudy this evening with more clouds for overnight. Low 51F. Winds NE at 10 to 15 mph.
Friday, September 30
6:39am / 6:24pm 6:07am / 6:28pm
Cloudy
59°
51°
Day: Cloudy. Slight chance of a rain shower. High 59F. Winds ENE at 10 to 20 mph.
Night: Overcast with rain showers at times. Low 51F. Winds NE at 10 to 15 mph. Chance of rain 50%.
Saturday, October 1
6:40am / 6:22pm 7:06am / 6:57pm
Showers
59°
53°
Chance of showers. Highs in the upper 50s and lows in the low 50s.
Sunday, October 2
6:41am / 6:21pm 8:04am / 7:26pm
Cloudy
60°
53°
Cloudy. Highs in the low 60s and lows in the low 50s.
Monday, October 3
6:42am / 6:19pm 9:02am / 7:56pm
AM Showers
64°
53°
A few morning showers. Highs in the mid 60s and lows in the low 50s.
Tuesday, October 4
6:43am / 6:17pm 9:58am / 8:29pm
Cloudy
61°
50°
Mostly cloudy. Highs in the low 60s and lows in the low 50s.
Wednesday, October 5
6:45am / 6:15pm 10:54am / 9:06pm
Mostly Sunny
60°
49°
Mostly sunny. Highs in the low 60s and lows in the upper 40s.
Thursday, October 6
6:46am / 6:14pm 11:48am / 9:47pm
Few Showers
63°
52°
Few showers. Highs in the low 60s and lows in the low 50s.
Friday, October 7
6:47am / 6:12pm 12:40pm / 10:32pm
Showers
64°
54°
Showers possible. Highs in the mid 60s and lows in the mid 50s.
Saturday, October 8
6:48am / 6:10pm 1:30pm / 11:24pm
Mostly Sunny
69°
50°
More sun than clouds. Highs in the upper 60s and lows in the low 50s.
Wind Forecast
Day ThursdayFridaySaturday
MPH 11 17 17 11 12 11 12 15 14 10 9 10
NNE
NE
ENE
ENE
NE
NE
NE
ENE
ENE
NE
NE
NE
Radar
Marine Forecast
Synopsis: HIGH PRESSURE OVER EASTERN CANADA WILL PRODUCE A NORTHEAST FLOW ACROSS THE WATERS INTO THE UPCOMING WEEKEND. LOW PRESSURE WILL APPROACH FROM THE WEST ON SUNDAY AND CROSS THE WATERS MONDAY.
Today
NE wind around 15 kt, with gusts as high as 20 kt. Sunny. Seas around 5 ft.
Tonight
NE wind around 15 kt. Partly cloudy. Seas 4 to 5 ft.
Friday
ENE wind around 15 kt. Mostly cloudy. Seas 4 to 5 ft.
Friday Night
ENE wind around 10 kt. A chance of showers. Patchy fog after 2am. Seas 4 to 5 ft.
Saturday
ENE wind 10 to 15 kt. A chance of showers. Patchy fog before 8am. Seas 3 to 4 ft.
Saturday Night
NE wind around 10 kt. A chance of showers. Seas around 4 ft.
Sunday
NE wind around 10 kt. A chance of showers. Seas around 4 ft.
Sunday Night
Variable winds 5 kt or less. A chance of showers. Seas 3 to 4 ft.
Monday
Variable winds 5 kt or less. A chance of showers. Seas around 3 ft.

*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.