Portland Harbor Weather

43°39'N 70°15'W

Home Harbor Resources

Current Conditions
Clear
23°F
Feels like: 23°F
Wind Chill: 23°F Ceiling: Unl
Heat Index: 23°F Visibility: 10mi
Dew Point: 18°F Wind: -
Humidity: 81% Direction: -
Pressure: 29.97" Gusts: -
Reported: 57 minutes 33 seconds ago
January 16, 2019 4:12 am EST
Location: 43.656N 70.246W or 0 nautical miles NE of search location of 43.653714N 70.248728W.
Air Temperature: 27°F (-2.8°C)
Water Temperature: 38°F (3.5°C)
January 16, 2019 3:50 am EST
Location: 43.525N 70.141W or 9 nautical miles SSE of search location of 43.653714N 70.248728W.
Wind Direction: SW (230°)
Wind Speed: 12 knots
Wind Gust: 16 knots
Significant Wave Height: 5 ft
Dominant Wave Period: 12 sec
Average Period: 8.0 sec
Mean Wave Direction: E (91°)
Atmospheric Pressure: 29.97 in (1014.9 mb)
Pressure Tendency: -0.04 in (-1.4 mb)
Air Temperature: 32°F (-0.2°C)
Dew Point: 25°F (-3.8°C)
Water Temperature: 40°F (4.6°C)
January 16, 2019 4:00 am EST
Location: 43.337N 70.549W or 23 nautical miles SW of search location of 43.653714N 70.248728W.
Wind Direction: SW (220°)
Wind Speed: 3 knots
Air Temperature: 23°F (-5.0°C)
Dew Point: 18°F (-7.6°C)
Wednesday, January 16
7:11am / 4:31pm 12:39pm / 2:04am
Mostly Sunny
38°
Day: Sunshine and a few clouds. High 38F. Winds SW at 10 to 20 mph.
Night: Mostly clear. Low 9F. Winds WNW at 10 to 15 mph.
Thursday, January 17
7:10am / 4:32pm 1:17pm / 3:13am
Mostly Sunny
21°
14°
Day: Sunny, along with a few afternoon clouds. High 21F. Winds WNW at 5 to 10 mph.
Night: Cloudy skies. Flurries or snow showers possible late. Low 14F. Winds light and variable.
Friday, January 18
7:09am / 4:33pm 2:04pm / 4:23am
AM Snow Showers
35°
14°
Morning snow showers. Highs in the mid 30s and lows in the mid teens.
Saturday, January 19
7:09am / 4:34pm 3:00pm / 5:31am
Mostly Cloudy
19°
13°
Considerable cloudiness. Highs in the upper teens and lows in the low teens.
Sunday, January 20
7:08am / 4:36pm 4:07pm / 6:34am
Snow to Wintry Mix/Wind
23°
Watching a potential winter storm. Windy with snow, then a wintry mix. Highs in the low 20s and lows in the mid single digits.
Monday, January 21
7:07am / 4:37pm 5:20pm / 7:29am
Partly Cloudy
11°
Mix of sun and clouds. Highs in the low teens and lows in the low single digits.
Tuesday, January 22
7:07am / 4:38pm 6:38pm / 8:16am
Partly Cloudy
20°
13°
Times of sun and clouds. Highs in the low 20s and lows in the low teens.
Wednesday, January 23
7:06am / 4:40pm 7:55pm / 8:56am
Cloudy
31°
21°
Cloudy. Highs in the low 30s and lows in the low 20s.
Thursday, January 24
7:05am / 4:41pm 9:10pm / 9:30am
PM Snow Showers
33°
24°
A few afternoon snow showers. Highs in the low 30s and lows in the mid 20s.
Friday, January 25
7:04am / 4:42pm 10:23pm / 10:01am
Partly Cloudy
34°
25°
Mix of sun and clouds. Highs in the mid 30s and lows in the mid 20s.
Wind Forecast
Day WednesdayThursday
MPH 1 8 13 12 11 9 9 8 5 1 1 1
SW
SW
WSW
WSW
WNW
WNW
WNW
NW
NW
S
S
WSW
Radar

Home Harbor Resources

Marine Forecast
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON
Synopsis: ANZ100-162230- 318 AM EST Wed Jan 16 2019 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A cold front will sweep across the waters late today followed by high pressure for Thursday. Weak low pressure tracks through the Gulf of Maine on Friday. A stronger storm will develop and track near the northern New England coastline this weekend. && $$
Today
SW wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy, then gradually becoming sunny. Seas around 2 ft.
Tonight
W wind 10 to 15 kt becoming NW after midnight. Winds could gust as high as 20 kt. Mostly clear. Seas 1 to 2 ft.
Thursday
NW wind 5 to 10 kt becoming W in the afternoon. Sunny. Seas around 1 ft.
Thursday Night
Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.
Friday
Variable winds 5 kt or less. Snow likely, mainly after 7am. Seas 1 to 2 ft.
Friday Night
NW wind around 10 kt. Partly cloudy. Seas around 2 ft.
Saturday
NNW wind 5 to 10 kt becoming NNE in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Saturday Night
ENE wind 5 to 10 kt. Snow. The snow could be heavy at times. Seas 1 ft building to 4 ft.
Sunday
E wind around 10 kt becoming WNW in the afternoon. Winds could gust as high as 20 kt. Snow and sleet. The snow could be heavy at times. Seas 5 to 6 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.