Portland Harbor Weather

43°39'N 70°15'W

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Current Conditions
Broken Clouds
59°F
Feels like: 59°F
Wind Chill: 59°F Ceiling: 20000ft
Heat Index: 59°F Visibility: 10mi
Dew Point: 51°F Wind: 6mph
Humidity: 75% Direction: 150° (SSE)
Pressure: 29.84" Gusts: -
Reported: 46 minutes 42 seconds ago
May 24, 2017 6:00 pm EST
Location: 43.656N 70.246W or 0 nautical miles NE of search location of 43.653714N 70.248728W.
Atmospheric Pressure: 29.83 in (1010.0 mb)
Pressure Tendency: +0.02 in (+0.8 mb)
Air Temperature: 55°F (12.9°C)
Water Temperature: 48°F (8.9°C)
May 24, 2017 5:50 pm EST
Location: 43.525N 70.141W or 9 nautical miles SSE of search location of 43.653714N 70.248728W.
Wind Direction: S (190°)
Wind Speed: 2 knots
Wind Gust: 4 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 7 sec
Average Period: 6.2 sec
Mean Wave Direction: SE (137°)
Atmospheric Pressure: 29.83 in (1010.3 mb)
Pressure Tendency: +0.03 in (+1.1 mb)
Air Temperature: 54°F (12.1°C)
Dew Point: 52°F (11.0°C)
Water Temperature: 54°F (12.1°C)
May 24, 2017 6:00 pm EST
Location: 43.337N 70.549W or 23 nautical miles SW of search location of 43.653714N 70.248728W.
Wind Direction: ESE (110°)
Wind Speed: 3 knots
Air Temperature: 56°F (13.5°C)
Dew Point: 53°F (11.9°C)
Wednesday, May 24
5:07am / 8:08pm 4:36am / 6:42pm
Partly Cloudy
67°
48°
Day:
Night: A few clouds. Low 48F. Winds light and variable.
Thursday, May 25
5:06am / 8:09pm 5:18am / 7:57pm
PM Rain
58°
48°
Day: Cloudy with occasional rain in the afternoon. High 58F. Winds ENE at 15 to 25 mph. Chance of rain 80%.
Night: Windy at times with rain likely. Low 48F. Winds ENE at 20 to 30 mph. Chance of rain 100%. 1 to 2 inches of rain expected.
Friday, May 26
5:06am / 8:10pm 6:06am / 9:09pm
Rain
54°
48°
Cloudy with rain. Highs in the mid 50s and lows in the upper 40s.
Saturday, May 27
5:05am / 8:11pm 7:02am / 10:14pm
Partly Cloudy
64°
48°
Partly cloudy. Highs in the mid 60s and lows in the upper 40s.
Sunday, May 28
5:04am / 8:12pm 8:04am / 11:11pm
AM Clouds/PM Sun
60°
49°
Morning clouds followed by afternoon sun. Highs in the low 60s and lows in the upper 40s.
Monday, May 29
5:04am / 8:13pm 9:10am / 11:59pm
Rain
57°
50°
Rain. Highs in the upper 50s and lows in the low 50s.
Tuesday, May 30
5:03am / 8:14pm 10:18am / 12:01am
AM Clouds/PM Sun
68°
54°
Morning clouds followed by afternoon sun. Highs in the upper 60s and lows in the mid 50s.
Wednesday, May 31
5:03am / 8:15pm 11:25am / 12:39am
PM Showers
69°
54°
Afternoon showers. Highs in the upper 60s and lows in the mid 50s.
Thursday, June 1
5:02am / 8:15pm 12:30pm / 1:15am
Mostly Sunny
70°
53°
Mostly sunny. Highs in the low 70s and lows in the low 50s.
Friday, June 2
5:02am / 8:16pm 1:34pm / 1:46am
Partly Cloudy
66°
53°
Mix of sun and clouds. Highs in the mid 60s and lows in the low 50s.
Wind Forecast
Day WednesdayThursdayFriday
MPH 3 1 2 6 14 17 19 18 19 18 16 16
SE
E
E
E
E
E
ENE
ENE
NE
NE
N
N
Radar
Marine Forecast
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH
Synopsis: HIGH PRESSURE MOVES OFF THE COAST TONIGHT WHILE LOW PRESSURE SLOWLY APPROACHES FROM THE MID ATLANTIC THURSDAY AND MOVES NORTHEAST JUST OUTSIDE OF THE GULF OF MAINE FRIDAY. THE CENTER OF LOW PRESSURE EXITS TO THE NORTHEAST ON SATURDAY. A NARROW RIDGE OF HIGH PRESSURE BUILDS IN FOR SUNDAY MORNING AHEAD OF A NORTHWARD MOVING WARM FRONT. LOW PRESSURE TO THE WEST LIFTS NORTH THROUGH MONDAY.
Tonight
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
E wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Rain likely, mainly after 4pm. Seas 1 ft or less.
Thursday Night
ENE wind around 15 kt, with gusts as high as 20 kt. Rain before 5am. Patchy fog. Seas 1 ft or less.
Friday
NE wind 10 to 15 kt becoming N in the afternoon. Rain, mainly after 8am. Seas around 4 ft.
Friday Night
NNW wind around 10 kt. A chance of showers before 8pm. Seas 2 to 3 ft.
Saturday
N wind 5 to 10 kt becoming ENE in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.
Sunday
SSE wind 5 to 10 kt. Partly sunny. Seas around 1 ft.
Sunday Night
ESE wind 5 to 10 kt. A chance of rain. Seas around 2 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.