Portsmouth Harbor Weather

43°5'N 70°45'W
Current Conditions
Broken Clouds
72°F
Feels like: 72°F
Wind Chill: 72°F Ceiling: 11000ft
Heat Index: 72°F Visibility: 10mi
Dew Point: 32°F Wind: 14mph
Humidity: 22% Direction: 280° (W)
Pressure: 29.77" Gusts: 29mph
Reported: 36 minutes 50 seconds ago
May 22, 2015 4:00 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: 17 knots
Wind Gust: 18 knots
Atmospheric Pressure: 29.77 in (1008.1 mb)
Pressure Tendency: +0.02 in (+0.6 mb)
Air Temperature: 56°F (13.5°C)
Dew Point: 42°F (5.6°C)
May 22, 2015 3:45 pm EDT
Location: 43.059N 70.83W or 6 nautical miles WNW of search location of 43.03175685184N 70.706634521484W.
Wind Direction: W (270°)
Wind Speed: 7 knots
Atmospheric Pressure: 29.77 in (1008.0 mb)
Air Temperature: 69°F (20.8°C)
Dew Point: 40°F (4.6°C)
May 22, 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: SSE (160°)
Wind Speed: 12 knots
Wind Gust: 16 knots
Significant Wave Height: 3 ft
Dominant Wave Period: 5 sec
Atmospheric Pressure: 29.71 in (1006.1 mb)
Air Temperature: 53°F (11.7°C)
Water Temperature: 49°F (9.4°C)
Visibility: 1.6 nmi
...FREEZING TEMPERATURES AND AREAS OF FROST ARE LIKELY OVERNIGHT AND EARLY SATURDAY MORNING... .A COLD FRONT CROSSED THE AREA TODAY...AND WILL BE FOLLOWED BY A SEASONABLY COLD AIR MASS FOR THE START OF THE MEMORIAL DAY WEEKEND. FREEZING TEMPERATURES AND AREAS OF FROST ARE LIKELY ACROSS MANY INTERIOR SECTIONS OVERNIGHT AND EARLY SATURDAY MORNING. A...
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...FREEZING TEMPERATURES AND AREAS OF FROST ARE LIKELY OVERNIGHT AND EARLY SATURDAY MORNING... .A COLD FRONT CROSSED THE AREA TODAY...AND WILL BE FOLLOWED BY A SEASONABLY COLD AIR MASS FOR THE START OF THE MEMORIAL DAY WEEKEND. FREEZING TEMPERATURES AND AREAS OF FROST ARE LIKELY ACROSS MANY INTERIOR SECTIONS OVERNIGHT AND EARLY SATURDAY MORNING. A...
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...FREEZING TEMPERATURES AND AREAS OF FROST ARE LIKELY OVERNIGHT AND EARLY SATURDAY MORNING... .A COLD FRONT CROSSED THE AREA TODAY...AND WILL BE FOLLOWED BY A SEASONABLY COLD AIR MASS FOR THE START OF THE MEMORIAL DAY WEEKEND. FREEZING TEMPERATURES AND AREAS OF FROST ARE LIKELY ACROSS MANY INTERIOR SECTIONS OVERNIGHT AND EARLY SATURDAY MORNING. A...
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... FIRE WEATHER WATCH SATURDAY FROM NOON UNTIL 8 PM FOR MAINE AND MUCH OF NEW HAMPSHIRE... .HIGH FIRE DANGER WILL PERSIST ACROSS THE AREA AS FUELS REMAIN DRY. GUSTY WESTERLY WINDS AND LOW HUMIDITIES WILL CREATE EXPLOSIVE FIRE GROWTH CONDITIONS. ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH...
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Friday, May 22
5:13am / 8:06pm 9:28am / 11:55pm
Partly Cloudy
70°
39°
Day:
Night: A few clouds. Low 39F. Winds NW at 10 to 20 mph.
Saturday, May 23
5:12am / 8:07pm 10:26am / 12:01am
Sunny
64°
48°
Day: Mainly sunny. High 64F. Winds WNW at 10 to 20 mph.
Night: Clear. Low 48F. Winds SW at 5 to 10 mph.
Sunday, May 24
5:11am / 8:08pm 11:24am / 12:30am
Mostly Sunny
78°
56°
A few clouds. Highs in the upper 70s and lows in the mid 50s.
Monday, May 25
5:10am / 8:09pm 12:21pm / 1:02am
Mostly Cloudy
77°
57°
Considerable cloudiness. Highs in the upper 70s and lows in the upper 50s.
Tuesday, May 26
5:10am / 8:10pm 1:19pm / 1:32am
Partly Cloudy
80°
61°
Mix of sun and clouds. Highs in the low 80s and lows in the low 60s.
Wednesday, May 27
5:09am / 8:11pm 2:16pm / 2:00am
Isolated Thunderstorms
80°
62°
Isolated thunderstorms. Highs in the low 80s and lows in the low 60s.
Thursday, May 28
5:08am / 8:11pm 3:14pm / 2:27am
Partly Cloudy
76°
60°
Times of sun and clouds. Highs in the mid 70s and lows in the low 60s.
Friday, May 29
5:08am / 8:12pm 4:12pm / 2:56am
Partly Cloudy
76°
60°
Partly cloudy. Highs in the mid 70s and lows in the low 60s.
Saturday, May 30
5:07am / 8:13pm 5:12pm / 3:26am
Partly Cloudy
73°
59°
Mix of sun and clouds. Highs in the low 70s and lows in the upper 50s.
Sunday, May 31
5:07am / 8:14pm 6:12pm / 3:59am
Showers
69°
57°
Showers. Highs in the upper 60s and lows in the upper 50s.
Wind Forecast
Day FridaySaturdaySunday
MPH 14 11 11 11 15 15 13 6 8 8 12 14
NW
NW
WNW
WNW
WNW
W
W
WSW
SW
SW
WSW
W
Radar
Marine Forecast
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
Synopsis: A COLD FRONT WILL MOVE ACROSS THE WATERS LATE TODAY FOLLOWED BY GUSTY WNW WINDS. HIGH PRES WILL BUILD IN OVER THE WEEKEND. A WARM FRONT WILL CROSS THE WATERS EARLY NEXT WEEK.
Tonight
WNW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly clear. Seas 1 to 2 ft.
Saturday
WNW wind 10 to 15 kt. Sunny. Seas around 2 ft.
Saturday Night
SW wind around 10 kt. Mostly clear. Seas around 1 ft.
Sunday
WSW wind around 10 kt. Mostly sunny. Seas 1 to 2 ft.
Sunday Night
WSW wind 5 to 10 kt. Mostly clear. Seas 1 to 2 ft.
Memorial Day
SSW wind 5 to 10 kt. Partly sunny. Seas around 1 ft.
Monday Night
SW wind 5 to 10 kt. A chance of showers and thunderstorms. Seas around 2 ft.
Tuesday
SSW wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 2 to 3 ft.
Tuesday Night
SW wind around 10 kt. A chance of showers and thunderstorms. Seas 2 to 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.