Portsmouth Harbor Weather

43°5'N 70°45'W
Current Conditions
Few Clouds
79°F
Feels like: 79°F
Wind Chill: 79°F Ceiling: Unl
Heat Index: 79°F Visibility: 10mi
Dew Point: 47°F Wind: 8mph
Humidity: 32% Direction: 250° (WSW)
Pressure: 29.92" Gusts: -
Reported: 17 minutes 6 seconds ago
July 3, 2015 3:00 pm EDT
Location: 42.967N 70.623W or 5 nautical miles SE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: S (180°)
Wind Speed: 13 knots
Wind Gust: 13 knots
Atmospheric Pressure: 29.93 in (1013.4 mb)
Pressure Tendency: +0.00 in (+0.0 mb)
Air Temperature: 70°F (21.1°C)
Dew Point: 44°F (6.6°C)
July 3, 2015 3:04 pm EDT
Location: 43.181N 70.428W or 15 nautical miles NE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: S (170°)
Wind Speed: 8 knots
Wind Gust: 10 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 6 sec
Atmospheric Pressure: 29.91 in (1012.7 mb)
Air Temperature: 65°F (18.2°C)
Water Temperature: 63°F (17.0°C)
Visibility: 1.6 nmi
July 3, 2015 3:48 pm EDT
Location: 43.32N 70.563W or 18 nautical miles NNE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: NNW (330°)
Wind Speed: 4 knots
Wind Gust: 5 knots
Atmospheric Pressure: 29.90 in (1012.5 mb)
Air Temperature: 77°F (25.1°C)
Water Temperature: 56°F (13.5°C)
Friday, July 3
5:08am / 8:25pm 9:28pm / 6:56am
Partly Cloudy
77°
57°
Day:
Night: Partly cloudy. Low 57F. Winds S at 5 to 10 mph.
Saturday, July 4
5:08am / 8:25pm 10:08pm / 8:05am
PM Showers
73°
55°
Day: Cloudy with occasional showers for the afternoon. High 73F. Winds SSE at 5 to 10 mph. Chance of rain 40%.
Night: A shower or two possible early with partly cloudy skies later at night. Low near 55F. Winds light and variable. Chance of rain 30%.
Sunday, July 5
5:09am / 8:24pm 10:46pm / 9:16am
Mostly Sunny
82°
61°
Plenty of sun. Highs in the low 80s and lows in the low 60s.
Monday, July 6
5:10am / 8:24pm 11:21pm / 10:27am
Mostly Sunny
80°
61°
Plenty of sun. Highs in the low 80s and lows in the low 60s.
Tuesday, July 7
5:10am / 8:24pm 11:56pm / 11:38am
Showers
78°
64°
Chance of showers. Highs in the upper 70s and lows in the mid 60s.
Wednesday, July 8
5:11am / 8:23pm 11:59pm / 12:48pm
PM Thunderstorms
79°
63°
Afternoon thunderstorms. Highs in the upper 70s and lows in the low 60s.
Thursday, July 9
5:12am / 8:23pm 12:30am / 1:57pm
Scattered Thunderstorms
77°
63°
Scattered thunderstorms. Highs in the upper 70s and lows in the low 60s.
Friday, July 10
5:13am / 8:23pm 1:06am / 3:05pm
Partly Cloudy
78°
62°
Times of sun and clouds. Highs in the upper 70s and lows in the low 60s.
Saturday, July 11
5:13am / 8:22pm 1:46am / 4:10pm
Partly Cloudy
78°
63°
Partly cloudy. Highs in the upper 70s and lows in the low 60s.
Sunday, July 12
5:14am / 8:21pm 2:28am / 5:12pm
Mostly Sunny
80°
64°
More sun than clouds. Highs in the low 80s and lows in the mid 60s.
Wind Forecast
Day FridaySaturdaySunday
MPH 9 5 2 1 2 8 7 2 1 1 2 6
SSW
S
S
SSW
S
SSE
SSE
SSE
SE
SW
WSW
SSW
Radar
Marine Forecast
Synopsis: HIGH PRESSURE MOVES OFFSHORE TONIGHT AND SATURDAY. LOW PRESSURE PASSES SOUTH OF THE REGION LATE SATURDAY. HIGH PRESSURE BUILDS IN SATURDAY NIGHT THROUGH MONDAY. A WARM MOIST AND UNSTABLE SOUTHERLY FLOW DEVELOPS TOWARD MIDWEEK.
Tonight
S wind 5 to 10 kt. Mostly clear. Seas 1 to 2 ft.
Independence Day
Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.
Saturday Night
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming mostly clear. Seas around 2 ft.
Sunday
W wind 5 to 10 kt becoming SSW in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Sunday Night
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Monday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Monday Night
S wind 5 to 10 kt becoming SSW after midnight. Mostly clear. Seas around 2 ft.
Tuesday
SSE wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Partly sunny. Seas 1 to 2 ft.
Tuesday Night
S wind 5 to 10 kt. Mostly cloudy. Seas around 3 ft.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.

*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.