Portland Harbor Weather

43°39'N 70°15'W

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Current Conditions
Clear
63°F
Feels like: 63°F
Wind Chill: 63°F Ceiling: Unl
Heat Index: 63°F Visibility: 10mi
Dew Point: 60°F Wind: -
Humidity: 90% Direction: -
Pressure: 30.2" Gusts: -
Reported: 22 minutes 11 seconds ago
August 20, 2018 8:42 pm EST
Location: 43.656N 70.246W or 0 nautical miles NE of search location of 43.653714N 70.248728W.
Atmospheric Pressure: 30.19 in (1022.4 mb)
Air Temperature: 65°F (18.4°C)
Water Temperature: 64°F (18.0°C)
August 20, 2018 8:50 pm EST
Location: 43.525N 70.141W or 9 nautical miles SSE of search location of 43.653714N 70.248728W.
Wind Direction: ENE (70°)
Wind Speed: 2 knots
Wind Gust: 2 knots
Significant Wave Height: 3 ft
Dominant Wave Period: 7 sec
Average Period: 5.3 sec
Mean Wave Direction: SE (138°)
Atmospheric Pressure: 30.19 in (1022.2 mb)
Pressure Tendency: +0.02 in (+0.8 mb)
Air Temperature: 63°F (17.4°C)
Dew Point: 62°F (16.6°C)
Water Temperature: 64°F (17.6°C)
August 20, 2018 8:00 pm EST
Location: 43.337N 70.549W or 23 nautical miles SW of search location of 43.653714N 70.248728W.
Wind Speed: 0 knots
Air Temperature: 61°F (16.1°C)
Dew Point: 59°F (15.2°C)
Monday, August 20
5:51am / 7:37pm 3:49pm / 12:40am
Partly Cloudy
72°
55°
Day:
Night: Some clouds. Low around 55F. Winds light and variable.
Tuesday, August 21
5:52am / 7:35pm 4:41pm / 1:22am
Mostly Sunny
71°
63°
Day: Sunshine along with some cloudy intervals. High 71F. Winds E at 5 to 10 mph.
Night: Partly cloudy. Slight chance of a rain shower. Low 63F. Winds SE at 5 to 10 mph.
Wednesday, August 22
5:53am / 7:34pm 5:28pm / 2:08am
Thunderstorms
76°
60°
Thunderstorms. Highs in the mid 70s and lows in the low 60s.
Thursday, August 23
5:54am / 7:32pm 6:10pm / 2:59am
Mostly Sunny
77°
58°
A few clouds. Highs in the upper 70s and lows in the upper 50s.
Friday, August 24
5:56am / 7:30pm 6:47pm / 3:54am
Sunny
80°
61°
Abundant sunshine. Highs in the low 80s and lows in the low 60s.
Saturday, August 25
5:57am / 7:29pm 7:21pm / 4:52am
Partly Cloudy
79°
61°
Mix of sun and clouds. Highs in the upper 70s and lows in the low 60s.
Sunday, August 26
5:58am / 7:27pm 7:50pm / 5:51am
Partly Cloudy
76°
64°
Partly cloudy. Highs in the mid 70s and lows in the mid 60s.
Monday, August 27
5:59am / 7:25pm 8:18pm / 6:51am
Partly Cloudy
82°
62°
Partly cloudy. Highs in the low 80s and lows in the low 60s.
Tuesday, August 28
6:00am / 7:23pm 8:44pm / 7:53am
Mostly Sunny
78°
64°
Mostly sunny. Highs in the upper 70s and lows in the mid 60s.
Wednesday, August 29
6:01am / 7:22pm 9:11pm / 8:55am
Partly Cloudy
76°
64°
Times of sun and clouds. Highs in the mid 70s and lows in the mid 60s.
Wind Forecast
Day MondayTuesdayWednesday
MPH 2 2 2 5 9 5 4 4 6 9 9 7
N
NNW
NNW
E
ESE
ESE
SE
SE
SE
SSE
SSW
W
Radar

Home Harbor Resources

Marine Forecast
Synopsis: ANZ100-211345- 737 PM EDT Mon Aug 20 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure slowly slips through northern New England and into the Gulf of Maine and Nova Scotia by Tuesday. A cold front will move through from the west on Wednesday. High pressure builds in from the west behind the front through the weekend. $$
Overnight
Variable winds 5 kt or less. Partly cloudy. Seas 1 to 2 ft.
Tuesday
Variable winds 5 kt or less. Mostly sunny. Seas 1 to 2 ft.
Tuesday Night
Variable winds 5 kt or less. A chance of showers after 2am. Seas around 2 ft.
Wednesday
SSE wind around 10 kt becoming SSW in the afternoon. A chance of showers, then showers and thunderstorms likely after 1pm. Seas around 2 ft.
Wednesday Night
Variable winds 5 kt or less. A chance of showers before 7pm. Seas around 2 ft.
Thursday
Variable winds 5 kt or less. Sunny. Seas 1 to 2 ft.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Friday
Variable winds 5 kt or less. Sunny. Seas around 1 ft.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 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.