Portsmouth Harbor Weather

43°5'N 70°45'W
Current Conditions
Overcast
45°F
Feels like: 41°F
Wind Chill: 41°F Ceiling: 300ft
Heat Index: 45°F Visibility: 2.5mi
Dew Point: 43°F Wind: 7mph
Humidity: 93% Direction: 60° (ENE)
Pressure: 30.07" Gusts: -
Reported: 33 minutes 8 seconds ago
May 2, 2016 6:00 am EDT
Location: 42.967N 70.623W or 5 nautical miles SE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: ENE (60°)
Wind Speed: 14 knots
Wind Gust: 15 knots
Atmospheric Pressure: 30.05 in (1017.7 mb)
Pressure Tendency: -0.02 in (-0.7 mb)
Air Temperature: 43°F (6.3°C)
Dew Point: 43°F (6.0°C)
May 2, 2016 5:45 am EDT
Location: 43.059N 70.83W or 6 nautical miles WNW of search location of 43.03175685184N 70.706634521484W.
Wind Direction: ENE (70°)
Wind Speed: 4 knots
Atmospheric Pressure: 30.09 in (1019.0 mb)
Air Temperature: 44°F (6.9°C)
Dew Point: 44°F (6.9°C)
May 2, 2016 5:04 am EDT
Location: 43.181N 70.428W or 15 nautical miles NE of search location of 43.03175685184N 70.706634521484W.
Wind Direction: ENE (70°)
Wind Speed: 12 knots
Wind Gust: 12 knots
Significant Wave Height: 4 ft
Dominant Wave Period: 11 sec
Atmospheric Pressure: 30.07 in (1018.4 mb)
Air Temperature: 44°F (6.4°C)
Water Temperature: 46°F (7.9°C)
Visibility: 1.6 nmi
Monday, May 2
5:34am / 7:46pm 3:11am / 2:48pm
PM Rain
49°
43°
Day: Cloudy with occasional rain during the afternoon. High 49F. Winds NE at 5 to 10 mph. Chance of rain 90%. Rainfall near a quarter of an inch.
Night: Overcast. Slight chance of a rain shower. Low 43F. Winds NNW at 5 to 10 mph.
Tuesday, May 3
5:33am / 7:47pm 3:46am / 4:01pm
AM Showers
54°
43°
Day: Showers in the morning, then cloudy in the afternoon. High 54F. Winds E at 5 to 10 mph. Chance of rain 40%.
Night: Rain showers early with overcast skies late. Low 43F. Winds light and variable. Chance of rain 40%.
Wednesday, May 4
5:32am / 7:48pm 4:21am / 5:15pm
AM Showers
53°
43°
A few morning showers. Highs in the low 50s and lows in the low 40s.
Thursday, May 5
5:30am / 7:49pm 4:59am / 6:30pm
AM Showers
57°
43°
A few morning showers. Highs in the upper 50s and lows in the low 40s.
Friday, May 6
5:29am / 7:50pm 5:39am / 7:45pm
PM Showers
57°
44°
Afternoon showers. Highs in the upper 50s and lows in the mid 40s.
Saturday, May 7
5:28am / 7:51pm 6:23am / 8:57pm
Showers
60°
45°
Showers. Highs in the low 60s and lows in the mid 40s.
Sunday, May 8
5:27am / 7:52pm 7:12am / 10:04pm
PM Rain
62°
44°
Rain developing during the afternoon. Highs in the low 60s and lows in the mid 40s.
Monday, May 9
5:25am / 7:53pm 8:06am / 11:05pm
Mostly Sunny
63°
46°
Mostly sunny. Highs in the low 60s and lows in the mid 40s.
Tuesday, May 10
5:24am / 7:54pm 9:05am / 11:57pm
Mostly Sunny
65°
49°
Plenty of sun. Highs in the mid 60s and lows in the upper 40s.
Wednesday, May 11
5:23am / 7:55pm 10:06am / 12:01am
PM Showers
62°
49°
Afternoon showers. Highs in the low 60s and lows in the upper 40s.
Wind Forecast
Day MondayTuesday
MPH 7 7 7 7 3 2 1 3 7 4 1 2
NE
NE
NE
NNE
NNW
NW
N
ENE
ESE
ESE
E
ENE
Radar
Marine Forecast
Synopsis: WEAK LOW PRESSURE MOVES THROUGH NORTHERN NEW ENGLAND TODAY AND REORGANIZES NEAR NOVA SCOTIA TONIGHT. ANOTHER AREA OF LOW PRESSURE WILL DEVELOP AND MOVE NORTHEASTWARD TO THE SOUTH OF CAPE COD TUESDAY AND TUESDAY NIGHT. HIGH PRESSURE OVER EASTERN CANADA AND SEVERAL WAVES OF LOW PRESSURE PASSING BY OFFSHORE WILL KEEP AN EASTERLY TO NORTHEASTERLY FLOW OVER THE GULF OF MAINE FOR MUCH OF THE WEEK.
Today
ENE wind 5 to 10 kt. Rain. Areas of fog before 1pm. Seas 2 to 3 ft.
Tonight
Variable winds 5 kt or less. Rain likely before 1am. Areas of fog after 9pm. Seas around 3 ft.
Tuesday
Variable winds 5 kt or less. A chance of rain. Seas around 3 ft.
Tuesday Night
Variable winds 5 kt or less. Patchy fog. Seas around 2 ft.
Wednesday
NE wind 5 to 10 kt becoming E in the afternoon. Mostly cloudy. Seas 2 to 3 ft.
Wednesday Night
E wind 5 to 10 kt becoming NE after midnight. A chance of showers. Seas around 3 ft.
Thursday
NNE wind around 10 kt. A chance of showers. Seas 3 to 4 ft.
Thursday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.
Friday
Variable winds 5 kt or less. A chance of showers. 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.