Portsmouth Harbor Weather

43°5'N 70°45'W
Current Conditions
Broken Clouds
84°F
Feels like: 86°F
Wind Chill: 84°F Ceiling: 25000ft
Heat Index: 86°F Visibility: 10mi
Dew Point: 65°F Wind: 10mph
Humidity: 53% Direction: 220° (SW)
Pressure: 30" Gusts: -
Reported: 37 minutes 50 seconds ago
August 25, 2016 12:00 pm EDT
Location: 42.967N 70.623W or 5 nautical miles SE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: S (170°)
Wind Speed: 15 knots
Wind Gust: 16 knots
Atmospheric Pressure: 30.01 in (1016.4 mb)
Pressure Tendency: -0.04 in (-1.3 mb)
Air Temperature: 72°F (22.3°C)
Dew Point: 64°F (17.6°C)
August 25, 2016 11:04 am EDT
Location: 43.181N 70.428W or 15 nautical miles NE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: S (190°)
Wind Speed: 14 knots
Wind Gust: 16 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 4 sec
Atmospheric Pressure: 30.03 in (1016.9 mb)
Air Temperature: 67°F (19.4°C)
Water Temperature: 66°F (18.9°C)
Visibility: 1.6 nmi
August 25, 2016 12:00 pm EDT
Location: 43.32N 70.563W or 18 nautical miles NNE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: S (190°)
Wind Speed: 15 knots
Wind Gust: 17 knots
Atmospheric Pressure: 30.00 in (1016.0 mb)
Pressure Tendency: -0.04 in (-1.3 mb)
Air Temperature: 71°F (21.7°C)
Water Temperature: 67°F (19.4°C)
Thursday, August 25
6:00am / 7:28pm 11:59pm / 2:10pm
Partly Cloudy
83°
69°
Day: Partly cloudy. High 83F. Winds S at 10 to 20 mph.
Night: Rain showers this evening with clearing overnight. Low 69F. Winds SSW at 10 to 15 mph. Chance of rain 50%.
Friday, August 26
6:01am / 7:27pm 12:20am / 3:12pm
PM Thunderstorms
86°
64°
Day: Partial cloudiness early, with scattered showers and thunderstorms in the afternoon. High 86F. Winds WSW at 5 to 10 mph. Chance of rain 40%.
Night: Clear skies. Low 64F. Winds NW at 5 to 10 mph.
Saturday, August 27
6:02am / 7:25pm 1:12am / 4:09pm
Sunny
78°
60°
Sunny. Highs in the upper 70s and lows in the low 60s.
Sunday, August 28
6:03am / 7:23pm 2:09am / 4:59pm
Mostly Sunny
74°
64°
A few clouds. Highs in the mid 70s and lows in the mid 60s.
Monday, August 29
6:04am / 7:22pm 3:09am / 5:44pm
Partly Cloudy
85°
63°
Partly cloudy. Highs in the mid 80s and lows in the low 60s.
Tuesday, August 30
6:05am / 7:20pm 4:11am / 6:22pm
Partly Cloudy
78°
63°
Times of sun and clouds. Highs in the upper 70s and lows in the low 60s.
Wednesday, August 31
6:06am / 7:18pm 5:14am / 6:57pm
Sunny
79°
63°
Abundant sunshine. Highs in the upper 70s and lows in the low 60s.
Thursday, September 1
6:07am / 7:17pm 6:16am / 7:29pm
Partly Cloudy
80°
60°
Partly cloudy. Highs in the low 80s and lows in the low 60s.
Friday, September 2
6:08am / 7:15pm 7:17am / 7:58pm
Partly Cloudy
75°
55°
Mix of sun and clouds. Highs in the mid 70s and lows in the mid 50s.
Saturday, September 3
6:09am / 7:13pm 8:16am / 8:26pm
AM Showers
73°
58°
Showers ending by midday. Highs in the low 70s and lows in the upper 50s.
Wind Forecast
Day ThursdayFridaySaturday
MPH 13 12 9 9 7 8 10 9 6 5 5 6
SSW
S
SSW
SSW
SSW
SW
W
WNW
NW
NW
NW
N
Radar
Marine Forecast
Synopsis: HIGH PRESSURE WILL HOLD OFF THE EAST COAST TODAY AS A COLD FRONT APPPROACHES FROM THE WEST. THE COLD FRONT WILL CROSS THE REGION FRIDAY. HIGH PRESSURE WILL BUILD IN FROM THE WEST FRIDAY NIGHT AND SATURDAY. HIGH PRESSURE WILL SHIFT OFF TO THE EAST ON SUNDAY AS A COLD FRONT MOVES IN FROM THE WEST. THE FRONT WILL CROSS THE REGION SUNDAY NIGHT OR MONDAY FOLLOWED BY HIGH PRESSURE.
This Afternoon
S wind 10 to 15 kt. Mostly sunny. Seas 2 to 3 ft.
Tonight
SSW wind 10 to 15 kt. Patchy fog after 2am. Seas around 3 ft.
Friday
SW wind 5 to 10 kt. A chance of showers and thunderstorms, mainly between 1pm and 3pm. Seas around 2 ft.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Saturday
Variable winds 5 kt or less. Sunny. Seas 1 to 2 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 ft.
Sunday
ENE wind 5 to 10 kt becoming SE in the afternoon. Mostly sunny. Seas around 2 ft.
Sunday Night
SSE wind around 10 kt becoming SSW after midnight. A chance of showers. Seas around 3 ft.
Monday
Variable winds 5 kt or less. Mostly sunny. 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.