Portland Harbor Weather

43°39'N 70°15'W

Home Harbor Resources

Current Conditions
Few Clouds
15°F
Feels like: 5°F
Wind Chill: 5°F Ceiling: Unl
Heat Index: 15°F Visibility: 10mi
Dew Point: 9°F Wind: 7mph
Humidity: 77% Direction: -
Pressure: 30.53" Gusts: -
Reported: 17 minutes 28 seconds ago
January 16, 2018 7:30 am EST
Location: 43.656N 70.246W or 0 nautical miles NE of search location of 43.653714N 70.248728W.
Atmospheric Pressure: 30.54 in (1034.1 mb)
Air Temperature: 16°F (-8.9°C)
Water Temperature: 34°F (1.1°C)
January 16, 2018 6:50 am EST
Location: 43.525N 70.141W or 9 nautical miles SSE of search location of 43.653714N 70.248728W.
Wind Direction: NNE (30°)
Wind Speed: 8 knots
Wind Gust: 12 knots
Significant Wave Height: 7 ft
Dominant Wave Period: 9 sec
Average Period: 7.6 sec
Mean Wave Direction: ESE (111°)
Atmospheric Pressure: 30.53 in (1033.9 mb)
Pressure Tendency: +0.00 in (+0.0 mb)
Air Temperature: 18°F (-7.6°C)
Dew Point: 13°F (-10.4°C)
Water Temperature: 40°F (4.3°C)
January 16, 2018 7:00 am EST
Location: 43.337N 70.549W or 23 nautical miles SW of search location of 43.653714N 70.248728W.
Wind Direction: NW (310°)
Wind Speed: 3 knots
Air Temperature: 15°F (-9.7°C)
Dew Point: 10°F (-12.4°C)
Tuesday, January 16
7:10am / 4:31pm 6:42am / 4:21pm
Partly Cloudy
27°
24°
Day: Sun and clouds mixed. High 27F. Winds SSW at 5 to 10 mph.
Night: Cloudy with snow showers becoming a steady accumulating snow later on. Low 24F. Winds light and variable. Chance of snow 90%. Snow accumulating 1 to 3 inches.
Wednesday, January 17
7:10am / 4:32pm 7:24am / 5:15pm
Snow
32°
16°
Day: Snow likely. High 32F. Winds NNE at 5 to 10 mph. Chance of snow 100%. 3 to 5 inches of snow expected.
Night: Cloudy early with partial clearing expected late. Low 16F. Winds NW at 5 to 10 mph.
Thursday, January 18
7:09am / 4:34pm 8:02am / 6:13pm
Sunny
30°
18°
Sunny. Highs in the low 30s and lows in the upper teens.
Friday, January 19
7:09am / 4:35pm 8:36am / 7:12pm
Mostly Sunny
35°
26°
A few clouds. Highs in the mid 30s and lows in the mid 20s.
Saturday, January 20
7:08am / 4:36pm 9:07am / 8:14pm
Partly Cloudy
42°
28°
Times of sun and clouds. Highs in the low 40s and lows in the upper 20s.
Sunday, January 21
7:07am / 4:37pm 9:36am / 9:16pm
Partly Cloudy
38°
24°
Mix of sun and clouds. Highs in the upper 30s and lows in the mid 20s.
Monday, January 22
7:06am / 4:39pm 10:04am / 10:20pm
PM Showers
37°
34°
Showers possible in the afternoon. Highs in the upper 30s and lows in the mid 30s.
Tuesday, January 23
7:06am / 4:40pm 10:33am / 11:24pm
AM Clouds/PM Sun
40°
25°
Morning clouds followed by afternoon sun. Highs in the low 40s and lows in the mid 20s.
Wednesday, January 24
7:05am / 4:41pm 11:02am / 12:01am
Mostly Sunny
36°
24°
More sun than clouds. Highs in the mid 30s and lows in the mid 20s.
Thursday, January 25
7:04am / 4:43pm 11:35am / 12:32am
PM Showers
36°
23°
Showers possible in the afternoon. Highs in the mid 30s and lows in the low 20s.
Wind Forecast
Day TuesdayWednesdayThursday
MPH 6 3 3 1 3 3 4 6 8 7 8 4
N
S
S
S
NNW
SE
E
NNE
NNW
NW
NW
W
Radar

Home Harbor Resources

Marine Forecast
Synopsis: ANZ100-170130- 630 AM EST Tue Jan 16 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure remains to the north today. Low pressure develops off the mid Atlantic coast later today then moves northeast through the Gulf of Maine Wednesday. High pressure builds south of the waters Thursday and into the weekend. $$
Today
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Snow likely, mainly after 1am. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. Snow, mainly before 5pm. Seas 1 ft or less.
Wednesday Night
NNW wind 5 to 10 kt. A chance of snow before 8pm. Seas around 2 ft.
Thursday
W wind around 10 kt. Mostly sunny. Seas 2 to 3 ft.
Thursday Night
W wind around 10 kt. Partly cloudy. Seas 1 to 2 ft.
Friday
W wind around 10 kt. Mostly sunny. Seas around 1 ft.
Friday Night
WSW wind 5 to 10 kt. Partly cloudy. Seas around 1 ft.
Saturday
SW wind around 10 kt. Partly sunny. Seas 1 to 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.