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: 66°F Wind: 7mph
Humidity: 55% Direction: 270° (W)
Pressure: 29.88" Gusts: -
Reported: 2 hours 25 minutes ago
July 28, 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: SSE (150°)
Wind Speed: 12 knots
Wind Gust: 13 knots
Atmospheric Pressure: 29.86 in (1011.3 mb)
Pressure Tendency: -0.02 in (-0.8 mb)
Air Temperature: 76°F (24.3°C)
Dew Point: 62°F (16.6°C)
July 28, 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: 8 knots
Wind Gust: 10 knots
Significant Wave Height: 1 ft
Dominant Wave Period: 6 sec
Atmospheric Pressure: 29.88 in (1012.0 mb)
Air Temperature: 70°F (21.2°C)
Water Temperature: 69°F (20.5°C)
Visibility: 1.6 nmi
July 28, 2016 11:48 am EDT
Location: 43.32N 70.563W or 18 nautical miles NNE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: S (180°)
Wind Speed: 6 knots
Wind Gust: 8 knots
Atmospheric Pressure: 29.85 in (1011.0 mb)
Air Temperature: 74°F (23.1°C)
Water Temperature: 65°F (18.2°C)
Thursday, July 28
5:30am / 8:08pm 12:49am / 3:11pm
Cloudy
87°
67°
Day: Overcast. A stray shower or thunderstorm is possible. High 87F. Winds SSE at 10 to 15 mph.
Night: Overcast. A stray shower or thunderstorm is possible. Low 67F. Winds NNE at 5 to 10 mph.
Friday, July 29
5:31am / 8:07pm 1:33am / 4:17pm
Thunderstorms
73°
62°
Day: Thunderstorms. High 73F. Winds NE at 5 to 10 mph. Chance of rain 80%. Locally heavy rainfall possible.
Night: A few clouds. Low 62F. Winds N at 5 to 10 mph.
Saturday, July 30
5:32am / 8:05pm 2:22am / 5:19pm
Mostly Sunny
77°
63°
A few clouds. Highs in the upper 70s and lows in the low 60s.
Sunday, July 31
5:33am / 8:04pm 3:18am / 6:15pm
Cloudy
73°
63°
Cloudy. Highs in the low 70s and lows in the low 60s.
Monday, August 1
5:34am / 8:03pm 4:17am / 7:04pm
AM Showers
73°
60°
Showers ending by midday. Highs in the low 70s and lows in the low 60s.
Tuesday, August 2
5:35am / 8:02pm 5:20am / 7:47pm
Partly Cloudy
78°
63°
Times of sun and clouds. Highs in the upper 70s and lows in the low 60s.
Wednesday, August 3
5:36am / 8:01pm 6:24am / 8:24pm
Partly Cloudy
82°
65°
Mix of sun and clouds. Highs in the low 80s and lows in the mid 60s.
Thursday, August 4
5:37am / 7:59pm 7:27am / 8:58pm
Partly Cloudy
80°
66°
Mix of sun and clouds. Highs in the low 80s and lows in the mid 60s.
Friday, August 5
5:38am / 7:58pm 8:29am / 9:29pm
Partly Cloudy
81°
65°
Mix of sun and clouds. Highs in the low 80s and lows in the mid 60s.
Saturday, August 6
5:39am / 7:57pm 9:30am / 9:57pm
AM Showers
86°
62°
Showers ending by midday. Highs in the mid 80s and lows in the low 60s.
Wind Forecast
Day ThursdayFridaySaturday
MPH 10 10 4 4 4 5 8 7 6 5 5 7
SSE
SE
N
N
NNE
NE
NE
NNE
NNE
NW
NW
NNW
Radar
Marine Forecast
Synopsis: A WEAK FRONTAL BOUNDARY WILL SETTLE SOUTH FROM CANADA TODAY AND TONIGHT. HIGH PRESSURE BUILDING IN FROM THE NORTH WILL SUPPRESS THE FRONTAL BOUNDARY SOUTH OF NEW ENGLAND EARLY FRIDAY. A WEAK WAVE OF LOW PRESSURE WILL TRACK EAST ALONG THE FRONTAL BOUNDARY FRIDAY BRINGING INCLEMENT WEATHER TO THE REGION. CANADIAN HIGH PRESSURE BUILD OVER THE REGION SATURDAY. ANOTHER WEAK DISTURBANCE WILL BRING SHOWERS TO THE REGION SUNDAY INTO MONDAY.
This Afternoon
SSE wind around 10 kt. Isolated thunderstorms after 5pm. Seas around 1 ft.
Tonight
Variable winds 5 kt or less. A chance of showers after 2am. Patchy fog after 2am. Seas around 2 ft.
Friday
ENE wind 5 to 10 kt. Showers likely, mainly after 9am. The rain could be heavy at times. Patchy fog before 8am. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Showers likely before midnight. The rain could be heavy at times. Seas around 1 ft.
Saturday
NW wind 5 to 10 kt becoming ENE in the afternoon. Mostly sunny. Seas around 2 ft.
Saturday Night
SSE wind 5 to 10 kt becoming NNW after midnight. Partly cloudy. Seas 1 to 2 ft.
Sunday
NNE wind 5 to 10 kt becoming ESE in the afternoon. A chance of showers. Seas around 1 ft.
Sunday Night
Variable winds 5 kt or less. A chance of showers. Seas around 1 ft.
Monday
ENE wind 5 to 10 kt. A chance of showers. Seas around 1 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.