Hyannis Harbor Weather

41°39'N 70°17'W

Home Harbor Resources

Current Conditions
Broken Clouds
39°F
Feels like: 32°F
Wind Chill: 32°F Ceiling: 1500ft
Heat Index: 39°F Visibility: 10mi
Dew Point: 35°F Wind: 10mph
Humidity: 86% Direction: 290° (WNW)
Pressure: 29.23" Gusts: -
Reported: 18 minutes 13 seconds ago
December 12, 2017 10:45 pm EST
Location: 41.582N 70.525W or 10 nautical miles WSW of search location of 41.630118N 70.302589W.
Wind Speed: 6 knots
Atmospheric Pressure: 29.29 in (992.0 mb)
Air Temperature: 42°F (5.5°C)
Dew Point: 40°F (4.2°C)
December 12, 2017 11:50 pm EST
Location: 41.439N 70.186W or 13 nautical miles SSE of search location of 41.630118N 70.302589W.
Wind Direction: WNW (290°)
Wind Speed: 19 knots
Wind Gust: 23 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 4 sec
Average Period: 3.6 sec
Mean Wave Direction: W (280°)
Atmospheric Pressure: 29.24 in (990.1 mb)
Pressure Tendency: -0.05 in (-1.7 mb)
Air Temperature: 40°F (4.5°C)
Dew Point: 38°F (3.3°C)
Water Temperature: 45°F (7.1°C)
December 13, 2017 12:00 am EST
Location: 41.84N 70.329W or 13 nautical miles N of search location of 41.630118N 70.302589W.
Significant Wave Height: 2 ft
Dominant Wave Period: 3 sec
Average Period: 3.0 sec
Mean Wave Direction: NW (304°)
Water Temperature: 47°F (8.1°C)
Tuesday, December 12
6:58am / 4:11pm 1:18am / 1:20pm
Partly Cloudy
49°
26°
Day:
Night: Partly to mostly cloudy. Low 26F. Winds WNW at 10 to 15 mph.
Wednesday, December 13
6:59am / 4:11pm 2:19am / 1:50pm
Partly Cloudy/Wind
30°
24°
Day: Partly cloudy and windy. High near 30F. Winds W at 20 to 30 mph. Winds could occasionally gust over 40 mph.
Night: Clear skies in the evening then becoming cloudy overnight. A few flurries or snow showers possible. Low 24F. Winds W at 15 to 25 mph.
Thursday, December 14
7:00am / 4:11pm 3:18am / 2:20pm
AM Clouds/PM Sun
35°
18°
Morning clouds followed by afternoon sun. Highs in the mid 30s and lows in the upper teens.
Friday, December 15
7:01am / 4:11pm 4:17am / 2:52pm
Mostly Cloudy
32°
24°
Mostly cloudy. Highs in the low 30s and lows in the mid 20s.
Saturday, December 16
7:01am / 4:11pm 5:14am / 3:27pm
Partly Cloudy
36°
22°
Mix of sun and clouds. Highs in the mid 30s and lows in the low 20s.
Sunday, December 17
7:02am / 4:12pm 6:10am / 4:07pm
Mostly Sunny
35°
32°
A few clouds. Highs in the mid 30s and lows in the low 30s.
Monday, December 18
7:02am / 4:12pm 7:03am / 4:51pm
Mostly Sunny
45°
34°
Mostly sunny. Highs in the mid 40s and lows in the mid 30s.
Tuesday, December 19
7:03am / 4:13pm 7:53am / 5:39pm
Partly Cloudy
44°
33°
Partly cloudy. Highs in the mid 40s and lows in the low 30s.
Wednesday, December 20
7:04am / 4:13pm 8:38am / 6:31pm
Partly Cloudy/Wind
39°
24°
Windy with a mix of sun and clouds. Highs in the upper 30s and lows in the mid 20s.
Thursday, December 21
7:04am / 4:14pm 9:19am / 7:26pm
Mostly Cloudy
37°
34°
Mostly cloudy. Highs in the upper 30s and lows in the mid 30s.
Wind Forecast
Day WednesdayThursday
MPH 11 11 17 23 18 14 12 7 8 11 11 10
WNW
W
W
W
W
W
W
W
NW
WNW
WNW
WNW
Radar

Home Harbor Resources

Marine Forecast
...GALE WARNING IN EFFECT FROM 8 AM EST WEDNESDAY THROUGH LATE
Synopsis: ANZ200-131515- 954 PM EST Tue Dec 12 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pressure will intensify into a Gale Center as it heads northeast toward southern Quebec tonight and Wednesday. Low pressure moving off the Delmarva peninsula will scoot south of the waters on Thursday. Another low will approach the waters Friday night into early Saturday heading toward Nova Scotia on Saturday. High pressure builds over the waters on Sunday. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the Current Hazards link above the map on the left. $$
Overnight
W wind 14 to 16 kt, with gusts as high as 22 kt. Mostly cloudy. Seas 2 to 3 ft.
Wednesday
W wind 18 to 23 kt, with gusts as high as 44 kt. Partly sunny. Seas around 3 ft.
Wednesday Night
W wind 20 to 23 kt decreasing to 16 to 19 kt after midnight. Winds could gust as high as 42 kt. A chance of snow showers, mainly after 5am. Seas around 3 ft.
Thursday
WNW wind 11 to 13 kt, with gusts as high as 22 kt. Snow likely, mainly before 1pm. Seas 1 to 2 ft.
Thursday Night
WNW wind 10 to 14 kt, with gusts as high as 23 kt. Mostly clear. Seas around 2 ft.
Friday
W wind 7 to 9 kt. A slight chance of snow showers after 5pm. Seas 1 to 2 ft.
Friday Night
NNW wind 8 to 10 kt. A chance of snow showers after 7pm. Seas around 1 ft.
Saturday
WNW wind 11 to 14 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 25 kt. A chance of snow showers. Seas 1 ft building to 3 ft.
Saturday Night
WNW wind 12 to 17 kt, with gusts as high as 25 kt. Partly cloudy. Seas 3 ft subsiding to 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.