South Yarmouth Weather

41°40'N 70°11'W

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Current Conditions
Broken Clouds
82°F
Feels like: 83°F
Wind Chill: 82°F Ceiling: 6000ft
Heat Index: 83°F Visibility: 10mi
Dew Point: 61°F Wind: 6mph
Humidity: 49% Direction: 20° (NNE)
Pressure: 29.98" Gusts: -
Reported: 55 minutes 21 seconds ago
August 20, 2017 5:34 pm EST
Location: 41.84N 70.329W or 12 nautical miles NNW of search location of 41.665N 70.1833W.
Significant Wave Height: 1 ft
Average Period: 3.0 sec
Water Temperature: 73°F (22.5°C)
August 20, 2017 4:50 pm EST
Location: 41.439N 70.186W or 14 nautical miles S of search location of 41.665N 70.1833W.
Wind Direction: W (270°)
Wind Speed: 6 knots
Wind Gust: 8 knots
Significant Wave Height: 1 ft
Dominant Wave Period: 4 sec
Average Period: 3.0 sec
Mean Wave Direction: NNW (348°)
Atmospheric Pressure: 29.99 in (1015.6 mb)
Pressure Tendency: +0.03 in (+0.9 mb)
Air Temperature: 75°F (24.0°C)
Dew Point: 73°F (23.0°C)
Water Temperature: 72°F (22.1°C)
August 20, 2017 4:45 pm EST
Location: 41.582N 70.525W or 16 nautical miles WSW of search location of 41.665N 70.1833W.
Wind Speed: 1 knots
Atmospheric Pressure: 30.00 in (1016.0 mb)
Air Temperature: 81°F (27.3°C)
Dew Point: 67°F (19.3°C)
Sunday, August 20
5:54am / 7:33pm 4:26am / 6:55pm
Clear
80°
66°
Day:
Night: Clear skies. Low 66F. Winds light and variable.
Monday, August 21
5:55am / 7:31pm 5:36am / 7:36pm
Partly Cloudy
81°
70°
Day: Partly cloudy skies. High 81F. Winds WSW at 10 to 15 mph.
Night: Mostly clear. Low around 70F. Winds SW at 10 to 15 mph.
Tuesday, August 22
5:56am / 7:29pm 6:44am / 8:11pm
Mostly Cloudy
79°
72°
Mostly cloudy. Highs in the upper 70s and lows in the low 70s.
Wednesday, August 23
5:57am / 7:28pm 7:51am / 8:44pm
Thunderstorms
79°
65°
Thunderstorms. Highs in the upper 70s and lows in the mid 60s.
Thursday, August 24
5:58am / 7:26pm 8:56am / 9:15pm
Partly Cloudy
76°
63°
Mix of sun and clouds. Highs in the mid 70s and lows in the low 60s.
Friday, August 25
5:59am / 7:25pm 9:59am / 9:45pm
Partly Cloudy
73°
62°
Partly cloudy. Highs in the low 70s and lows in the low 60s.
Saturday, August 26
6:00am / 7:23pm 11:00am / 10:15pm
Sunny
72°
62°
Mainly sunny. Highs in the low 70s and lows in the low 60s.
Sunday, August 27
6:01am / 7:21pm 11:59am / 10:47pm
Mostly Sunny
73°
63°
A few clouds. Highs in the low 70s and lows in the low 60s.
Monday, August 28
6:02am / 7:20pm 12:57pm / 11:22pm
Sunny
72°
63°
Sunshine. Highs in the low 70s and lows in the low 60s.
Tuesday, August 29
6:03am / 7:18pm 1:53pm / 12:01am
Partly Cloudy
72°
64°
Times of sun and clouds. Highs in the low 70s and lows in the mid 60s.
Wind Forecast
Day SundayMondayTuesday
MPH 1 2 3 3 5 8 10 8 7 7 13 16
WNW
WNW
WNW
W
WNW
SW
SW
WSW
SW
SW
SSW
SSW
Radar
Marine Forecast
Synopsis: ANZ200-210815- 324 PM EDT Sun Aug 20 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will build over the waters today through Mon. The high will move offshore Tue, allowing a cold front to approach Wed. Large high pres will begin to build over the region Thu. 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. $$
Tonight
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming clear. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming SW 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
SW wind around 8 kt. Mostly clear. Seas 1 ft or less.
Tuesday
SSW wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 22 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
SSW wind around 15 kt, with gusts as high as 23 kt. A chance of showers, mainly after 2am. Seas 1 ft or less.
Wednesday
SW wind 10 to 14 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Wednesday Night
WSW wind 6 to 8 kt becoming NW after midnight. Partly cloudy. Seas 1 ft or less.
Thursday
NNW wind around 6 kt becoming NNE in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
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.