Hyannis Harbor Weather

41°39'N 70°17'W
Current Conditions
Overcast
51°F
Feels like: 51°F
Wind Chill: 51°F Ceiling: 400ft
Heat Index: 51°F Visibility: 6mi
Dew Point: 50°F Wind: 16mph
Humidity: 96% Direction: 130° (SE)
Pressure: 29.78" Gusts: 31mph
Reported: 56 minutes 24 seconds ago
April 20, 2015 9:45 pm EDT
Location: 41.582N 70.525W or 10 nautical miles WSW of search location of 41.630118N 70.302589W.
Wind Direction: SE (130°)
Wind Speed: 9 knots
Air Temperature: 54°F (12.0°C)
Dew Point: 53°F (11.7°C)
April 20, 2015 9:50 pm EDT
Location: 41.443N 70.187W or 12 nautical miles SSE of search location of 41.630118N 70.302589W.
Wind Direction: SE (130°)
Wind Speed: 29 knots
Wind Gust: 35 knots
Significant Wave Height: 5 ft
Dominant Wave Period: 5 sec
Average Period: 4.5 sec
Mean Wave Direction: SE (128°)
Atmospheric Pressure: 29.75 in (1007.6 mb)
Pressure Tendency: -0.06 in (-2.1 mb)
Air Temperature: 51°F (10.7°C)
Dew Point: 51°F (10.5°C)
Water Temperature: 44°F (6.6°C)
April 20, 2015 10:18 pm EDT
Location: 41.524N 70.671W or 18 nautical miles WSW of search location of 41.630118N 70.302589W.
Atmospheric Pressure: 29.74 in (1007.2 mb)
Air Temperature: 54°F (12.1°C)
Water Temperature: 45°F (7.0°C)
Monday, April 20
5:53am / 7:27pm 7:19am / 9:46pm
Showers
50°
44°
Day:
Night: Considerable cloudiness with occasional rain showers. Thunder possible. Low 44F. Winds SE at 15 to 25 mph. Chance of rain 50%.
Tuesday, April 21
5:52am / 7:28pm 8:06am / 10:47pm
AM Showers
60°
44°
Day: Rain showers early with some sunshine later in the day. Thunder possible. High around 60F. Winds SSW at 10 to 20 mph. Chance of rain 60%.
Night: Clear skies. Low 44F. Winds SW at 10 to 15 mph.
Wednesday, April 22
5:50am / 7:29pm 8:56am / 11:43pm
Mostly Sunny
57°
42°
Plenty of sun. Highs in the upper 50s and lows in the low 40s.
Thursday, April 23
5:49am / 7:30pm 9:50am / 12:01am
Partly Cloudy
52°
37°
Times of sun and clouds. Highs in the low 50s and lows in the upper 30s.
Friday, April 24
5:48am / 7:31pm 10:45am / 12:32am
Partly Cloudy
50°
38°
Partly cloudy. Highs in the low 50s and lows in the upper 30s.
Saturday, April 25
5:46am / 7:32pm 11:42am / 1:15am
Mostly Sunny
52°
40°
A few clouds. Highs in the low 50s and lows in the low 40s.
Sunday, April 26
5:45am / 7:33pm 12:38pm / 1:53am
AM Clouds/PM Sun
52°
40°
Morning clouds followed by afternoon sun. Highs in the low 50s and lows in the low 40s.
Monday, April 27
5:43am / 7:34pm 1:35pm / 2:26am
Partly Cloudy
53°
42°
Times of sun and clouds. Highs in the low 50s and lows in the low 40s.
Tuesday, April 28
5:42am / 7:36pm 2:31pm / 2:58am
Partly Cloudy
53°
42°
Mix of sun and clouds. Highs in the low 50s and lows in the low 40s.
Wednesday, April 29
5:41am / 7:37pm 3:28pm / 3:27am
PM Showers
50°
41°
Chance of afternoon showers. Highs in the low 50s and lows in the low 40s.
Wind Forecast
Day MondayTuesdayWednesday
MPH 19 11 10 15 14 11 3 1 4 11 13 11
SE
SSE
SSE
S
SW
SW
SW
SSW
S
SSW
S
S
Radar
Marine Forecast
...GALE WARNING IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
Synopsis: A COLD FRONT WILL CROSS THE WATERS TUE. ANOTHER FRONTAL SYSTEM CROSSES THE WATERS WED. LOW PRES CENTERED OVER ERN CANADA WILL BRING W WINDS TO THE WATERS FOR THU AND FRI...LASTING INTO SAT.

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
SSE wind 20 to 23 kt decreasing to 14 to 17 kt after midnight. Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Areas of fog. Seas 2 to 3 ft.
Tuesday
SSW wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. Showers, mainly before 8am. Areas of fog before 2pm. Seas around 1 ft.
Tuesday Night
W wind 5 to 9 kt. A slight chance of showers between midnight and 5am. Seas 1 to 2 ft.
Wednesday
SSW wind 7 to 11 kt. A chance of showers, mainly after 1pm. Seas 1 to 2 ft.
Wednesday Night
WSW wind around 9 kt. A chance of showers, mainly before midnight. Seas 1 to 2 ft.
Thursday
WSW wind 8 to 12 kt, with gusts as high as 26 kt. Mostly sunny. Seas 1 ft building to 3 ft.
Thursday Night
W wind around 9 kt, with gusts as high as 20 kt. Partly cloudy. Seas around 2 ft.
Friday
W wind around 9 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 2 ft.
Friday Night
WNW wind 8 to 10 kt, with gusts as high as 21 kt. Partly cloudy. Seas around 2 ft.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS. SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

*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.