Portsmouth Harbor Weather

43°5'N 70°45'W
Current Conditions
Scattered Clouds
62°F
Feels like: 62°F
Wind Chill: 62°F Ceiling: Unl
Heat Index: 62°F Visibility: 10mi
Dew Point: 55°F Wind: 3mph
Humidity: 78% Direction: 140° (SE)
Pressure: 30.06" Gusts: -
Reported: 56 minutes 33 seconds ago
June 27, 2016 1:00 am EDT
Location: 42.967N 70.623W or 5 nautical miles SE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: SSW (200°)
Wind Speed: 16 knots
Wind Gust: 17 knots
Atmospheric Pressure: 30.07 in (1018.2 mb)
Pressure Tendency: -0.02 in (-0.6 mb)
Air Temperature: 65°F (18.1°C)
Dew Point: 54°F (12.3°C)
June 27, 2016 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: 30.09 in (1019.0 mb)
Air Temperature: 59°F (15.1°C)
Dew Point: 58°F (14.3°C)
June 27, 2016 1:04 am EDT
Location: 43.181N 70.428W or 15 nautical miles NE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: SSW (200°)
Wind Speed: 10 knots
Wind Gust: 12 knots
Significant Wave Height: 3 ft
Dominant Wave Period: 8 sec
Atmospheric Pressure: 30.06 in (1018.0 mb)
Air Temperature: 62°F (16.8°C)
Water Temperature: 60°F (15.4°C)
Visibility: 1.6 nmi
Sunday, June 26
5:05am / 8:26pm 11:59pm / 11:34am
Mostly Clear
79°
60°
Day:
Night: Mainly clear skies. Low near 60F. Winds light and variable.
Monday, June 27
5:05am / 8:26pm 12:22am / 12:42pm
Mostly Sunny
84°
62°
Day: Sunny along with a few clouds. High 84F. Winds S at 15 to 25 mph.
Night: Cloudy. Slight chance of a rain shower. Low 62F. Winds S at 10 to 20 mph.
Tuesday, June 28
5:06am / 8:26pm 12:56am / 1:52pm
AM Showers
78°
61°
Showers ending by midday. Highs in the upper 70s and lows in the low 60s.
Wednesday, June 29
5:06am / 8:26pm 1:31am / 3:03pm
Showers
78°
59°
Showers. Highs in the upper 70s and lows in the upper 50s.
Thursday, June 30
5:07am / 8:25pm 2:08am / 4:13pm
Partly Cloudy
80°
58°
Mix of sun and clouds. Highs in the low 80s and lows in the upper 50s.
Friday, July 1
5:07am / 8:25pm 2:50am / 5:24pm
Mostly Sunny
80°
60°
More sun than clouds. Highs in the low 80s and lows in the low 60s.
Saturday, July 2
5:08am / 8:25pm 3:38am / 6:30pm
Mostly Sunny
82°
57°
More sun than clouds. Highs in the low 80s and lows in the upper 50s.
Sunday, July 3
5:08am / 8:25pm 4:31am / 7:31pm
Mostly Sunny
80°
57°
A few clouds. Highs in the low 80s and lows in the upper 50s.
Monday, July 4
5:09am / 8:25pm 5:30am / 8:25pm
Mostly Sunny
80°
58°
Plenty of sun. Highs in the low 80s and lows in the upper 50s.
Tuesday, July 5
5:10am / 8:24pm 6:32am / 9:12pm
Partly Cloudy
80°
58°
Partly cloudy. Highs in the low 80s and lows in the upper 50s.
Wind Forecast
Day MondayTuesday
MPH 4 5 9 16 16 9 9 6 9 14 12 7
S
S
SSW
S
S
S
S
S
S
SSE
SSE
SSE
Radar
Marine Forecast
Synopsis: HIGH PRESSURE WILL REMAIN IN PLACE OVER OR JUST EAST OF THE GULF OF MAINE THROUGH EARLY NEXT WEEK. A SLOW MOVING COLD FRONT WILL APPROACH FROM THE WEST LATER TUESDAY AND WEDNESDAY WITH INCREASING SOUTHERLY FLOW OVER THE WATERS. A WEAK AREA OF HIGH PRESSURE WILL BUILD IN ON THURSDAY FOLLOWED BY A WEAK WEATHER DISTURBANCE ON FRIDAY.
Overnight
SSW wind around 10 kt. Mostly clear. Seas around 3 ft.
Monday
SSW wind 10 to 13 kt becoming S 12 to 15 kt in the afternoon. Mostly sunny. Seas around 3 ft.
Monday Night
SSW wind 5 to 10 kt. Mostly cloudy. Seas 3 to 4 ft.
Tuesday
S wind around 10 kt. A chance of showers after 11am. Seas around 3 ft.
Tuesday Night
SSW wind 5 to 10 kt. Showers likely, mainly between 10pm and 3am. Seas around 3 ft.
Wednesday
Variable winds 5 kt or less. A chance of showers. Seas 2 to 3 ft.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.
Thursday
Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas around 2 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.