South Yarmouth Weather

41°40'N 70°11'W

Home Harbor Resources

Current Conditions
Overcast
43°F
Feels like: 38°F
Wind Chill: 38°F Ceiling: 200ft
Heat Index: 43°F Visibility: 0.75mi
Dew Point: 43°F Wind: 9mph
Humidity: 100% Direction: 330° (NNW)
Pressure: 29.9" Gusts: -
Reported: 1 hour 2 minutes ago
February 25, 2018 10:30 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
Dominant Wave Period: 2 sec
Average Period: 2.8 sec
Mean Wave Direction: NNW (345°)
Water Temperature: 39°F (3.8°C)
February 25, 2018 9:50 pm EST
Location: 41.439N 70.186W or 14 nautical miles S of search location of 41.665N 70.1833W.
Wind Direction: NW (310°)
Wind Speed: 12 knots
Wind Gust: 16 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 8 sec
Average Period: 4.2 sec
Mean Wave Direction: E (85°)
Atmospheric Pressure: 29.90 in (1012.5 mb)
Pressure Tendency: +0.04 in (+1.5 mb)
Air Temperature: 40°F (4.6°C)
Dew Point: 40°F (4.6°C)
Water Temperature: 40°F (4.6°C)
February 25, 2018 9:45 pm EST
Location: 41.582N 70.525W or 16 nautical miles WSW of search location of 41.665N 70.1833W.
Wind Speed: 5 knots
Atmospheric Pressure: 29.91 in (1013.0 mb)
Air Temperature: 42°F (5.7°C)
Dew Point: 42°F (5.6°C)
Sunday, February 25
6:21am / 5:25pm 12:40pm / 2:46am
Fog Early/Clouds Late
44°
38°
Day:
Night: Cloudy skies with some evening fog. Low 38F. Winds NW at 5 to 10 mph.
Monday, February 26
6:20am / 5:27pm 1:43pm / 3:46am
Partly Cloudy
49°
35°
Day: Areas of patchy fog early. Considerable clouds early. Some decrease in clouds later in the day. High 49F. Winds WNW at 5 to 10 mph.
Night: Clear. Low around 35F. Winds NW at 5 to 10 mph.
Tuesday, February 27
6:18am / 5:28pm 2:52pm / 4:40am
Sunny
46°
37°
Sunny. Highs in the mid 40s and lows in the upper 30s.
Wednesday, February 28
6:17am / 5:29pm 4:03pm / 5:27am
Mostly Sunny
49°
39°
More sun than clouds. Highs in the upper 40s and lows in the upper 30s.
Thursday, March 1
6:15am / 5:30pm 5:15pm / 6:09am
PM Showers
46°
41°
Showers possible in the afternoon. Highs in the mid 40s and lows in the low 40s.
Friday, March 2
6:13am / 5:31pm 6:26pm / 6:45am
Rain/Wind
44°
37°
Windy with periods of rain. Highs in the mid 40s and lows in the upper 30s.
Saturday, March 3
6:12am / 5:33pm 7:34pm / 7:18am
AM Light Rain/Wind
42°
37°
Windy with morning light rain. Highs in the low 40s and lows in the upper 30s.
Sunday, March 4
6:10am / 5:34pm 8:41pm / 7:50am
Cloudy
41°
37°
Cloudy. Highs in the low 40s and lows in the upper 30s.
Monday, March 5
6:09am / 5:35pm 9:45pm / 8:21am
Cloudy
41°
36°
Cloudy. Highs in the low 40s and lows in the mid 30s.
Tuesday, March 6
6:07am / 5:36pm 10:47pm / 8:53am
Partly Cloudy
41°
37°
Mix of sun and clouds. Highs in the low 40s and lows in the upper 30s.
Wind Forecast
Day SundayMondayTuesday
MPH 11 8 6 9 5 7 10 9 8 9 4 5
NW
NW
NW
NW
WNW
WNW
NW
NW
NW
NW
W
SW
Radar

Home Harbor Resources

Marine Forecast
Synopsis: ANZ200-261515- 912 PM EST Sun Feb 25 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pres will move east of the waters overnight. This will be followed by a ridge of high pressure building in from the west through Wed. The potential exists for a strong coastal storm with very high winds and seas late this week. There is the threat for 50 knot wind gusts and seas building to over 20 feet...so mariners are urged to keep up with the latest weather forecasts. 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
NW wind 6 to 8 kt. Areas of fog. Seas 1 ft or less.
Monday
WNW wind 5 to 9 kt. Areas of fog before 8am. Seas 1 ft or less.
Monday Night
WNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 24 kt. Clear. Seas 1 ft or less.
Tuesday
NW wind around 7 kt becoming WSW in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
WSW wind around 7 kt. Mostly clear. Seas 1 ft or less.
Wednesday
SW wind 7 to 10 kt, with gusts as high as 21 kt. Mostly sunny. Seas 1 ft or less.
Wednesday Night
SW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming ENE 5 to 8 kt in the afternoon. Partly sunny. Seas 1 ft or less.
Thursday Night
E wind 10 to 15 kt increasing to 18 to 23 kt. Winds could gust as high as 29 kt. Rain likely. Seas 1 ft or less.
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.