Portland Harbor Weather

43°39'N 70°15'W

Home Harbor Resources

Current Conditions
Clear
18°F
Feels like: 8°F
Wind Chill: 8°F Ceiling: Unl
Heat Index: 18°F Visibility: 10mi
Dew Point: 3°F Wind: 8mph
Humidity: 52% Direction: 320° (NW)
Pressure: 30.15" Gusts: 20mph
Reported: 30 minutes 22 seconds ago
February 18, 2019 10:42 pm EST
Location: 43.656N 70.246W or 0 nautical miles NE of search location of 43.653714N 70.248728W.
Air Temperature: 19°F (-7.1°C)
Water Temperature: 35°F (1.6°C)
February 18, 2019 10:50 pm EST
Location: 43.525N 70.141W or 9 nautical miles SSE of search location of 43.653714N 70.248728W.
Wind Direction: NW (320°)
Wind Speed: 17 knots
Wind Gust: 19 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 6 sec
Average Period: 4.1 sec
Mean Wave Direction: E (91°)
Atmospheric Pressure: 30.11 in (1019.6 mb)
Pressure Tendency: +0.10 in (+3.3 mb)
Air Temperature: 22°F (-5.7°C)
Dew Point: 9°F (-12.8°C)
Water Temperature: 37°F (2.6°C)
February 18, 2019 10:00 pm EST
Location: 43.337N 70.549W or 23 nautical miles SW of search location of 43.653714N 70.248728W.
Wind Direction: WNW (290°)
Wind Speed: 4 knots
Air Temperature: 19°F (-7.0°C)
Dew Point: 10°F (-12.1°C)
Monday, February 18
6:35am / 5:14pm 4:07pm / 6:03am
Mostly Clear
22°
Day:
Night: Mainly clear skies. Low 9F. Winds NW at 5 to 10 mph.
Tuesday, February 19
6:34am / 5:16pm 5:25pm / 6:47am
Sunny
27°
Day: Sunny skies. High 27F. Winds NW at 10 to 15 mph.
Night: Partly to mostly cloudy. Low 8F. Winds WNW at 5 to 10 mph.
Wednesday, February 20
6:32am / 5:17pm 6:44pm / 7:24am
Mostly Cloudy
29°
23°
Considerable cloudiness. Highs in the upper 20s and lows in the low 20s.
Thursday, February 21
6:31am / 5:18pm 8:00pm / 7:57am
AM Rain/Snow
41°
25°
Periods of rain and snow early. Highs in the low 40s and lows in the mid 20s.
Friday, February 22
6:29am / 5:20pm 9:13pm / 8:28am
Sunny
41°
18°
Sunny. Highs in the low 40s and lows in the upper teens.
Saturday, February 23
6:28am / 5:21pm 10:25pm / 8:58am
Mostly Sunny
39°
30°
Plenty of sun. Highs in the upper 30s and lows in the low 30s.
Sunday, February 24
6:26am / 5:22pm 11:34pm / 9:28am
Rain/Snow
41°
31°
Rain and snow. Highs in the low 40s and lows in the low 30s.
Monday, February 25
6:24am / 5:24pm 11:59pm / 10:01am
Partly Cloudy
39°
18°
Mix of sun and clouds. Highs in the upper 30s and lows in the upper teens.
Tuesday, February 26
6:23am / 5:25pm 12:40am / 10:37am
Mostly Sunny
35°
20°
Mostly sunny. Highs in the mid 30s and lows in the low 20s.
Wednesday, February 27
6:21am / 5:26pm 1:41am / 11:16am
Snow Showers
38°
26°
Snow showers. Highs in the upper 30s and lows in the mid 20s.
Wind Forecast
Day TuesdayWednesday
MPH 9 8 9 12 12 7 6 4 3 6 5 4
NNW
NW
NW
NW
WNW
NW
WNW
WNW
NW
SSW
S
SSW
Radar

Home Harbor Resources

Marine Forecast
...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...
Synopsis: ANZ100-191545- 835 PM EST Mon Feb 18 2019 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure builds over the waters Tuesday and Wednesday. Southerly flow increases Wednesday night into Thursday morning ahead of approaching low pressure from the west. High pressure to follow on Friday. && $$
Overnight
NW wind around 10 kt, with gusts as high as 20 kt. Clear. Seas 1 to 2 ft.
Tuesday
NW wind around 10 kt. Sunny. Seas around 1 ft.
Tuesday Night
WNW wind 5 to 10 kt. Mostly clear. Seas around 1 ft.
Wednesday
Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.
Wednesday Night
SSW wind 5 to 10 kt becoming S after midnight. Snow, mainly after 1am. Seas 1 to 2 ft.
Thursday
SSE wind 5 to 10 kt becoming W in the afternoon. Rain and snow before 11am, then a chance of rain between 11am and noon. Seas around 3 ft.
Thursday Night
W wind around 10 kt becoming NNW after midnight. Winds could gust as high as 20 kt. Partly cloudy. Seas 2 to 3 ft.
Friday
NNW wind 5 to 10 kt becoming WNW in the afternoon. Sunny. Seas around 1 ft.
Friday Night
NNW wind 5 to 10 kt. Mostly clear. Seas around 1 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.

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