South Yarmouth Weather

Hazardous marine condition(s):

Synopsis...A COLD FRONT WILL MOVE ACROSS THE WATERS FRIDAY EVENING. LOW PRESSURE WILL FORM ON THE FRONT JUST SOUTH OF THE WATERS FRIDAY NIGHT. THIS LOW WILL VERY SLOWLY MOVE TO THE NORTHEAST AND WILL MOVE TO THE NORTHEAST OF THE WATERS SUNDAY AFTERNOON. THE LOW PRESSURE WILL MOVE OVER THE CANADIAN MARITIMES ON MONDAY.

FOR INFORMATION ON POSSIBLE HAZARDOUS WEATHER BEYOND THE 24-36 HOUR FORECAST PERIOD...PLEASE VISIT WWW.WEATHER.GOV/BOSTON AND FOLLOW THE HAZARDOUS OUTLOOKS LINK AT THE TOP OF THE BLUE BAR ON THE LEFT.

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Tonight: SW wind 10 to 13 kt. Isolated showers and thunderstorms. Patchy dense fog. Seas 1 ft or less.

Thursday: SW wind 15 to 17 kt, with gusts as high as 27 kt. A chance of showers, mainly after 2pm. Patchy dense fog. Seas 1 ft or less.

Thursday Night: SSW wind 14 to 16 kt. Showers likely, mainly after 11pm. Patchy fog. Seas 1 ft or less.

Friday: SSW wind 12 to 16 kt, with gusts as high as 25 kt. Showers, with thunderstorms also possible after 5pm. Seas 1 ft or less.

Friday Night: SW wind 7 to 11 kt becoming NNE in the evening. Showers and possibly a thunderstorm. Patchy fog between 4am and 5am. Seas 1 ft or less.

Saturday: NNE wind 11 to 14 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Saturday Night: NE wind 6 to 8 kt becoming NW after midnight. A chance of showers. Seas 1 ft or less.

Sunday: WNW wind 11 to 13 kt. Mostly cloudy. Seas 1 ft or less.

Sunday Night: WNW wind around 10 kt. Mostly cloudy. Seas 1 ft or less.

*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.

Wednesday, May 22		5:15am / 8:01pm 5:16pm / 3:19am
Isolated Thunderstorms	73° 58°	Day: Night: Partly cloudy with isolated thunderstorms possible. Low 58F. Winds SSW at 10 to 20 mph. Chance of rain 30%. Time Temp Chill Humidity Precip Clouds Visibility Wind Weather 10pm 59° 57° 96% 30% 87% 10mi SSW 10 mph 11pm 60° 58° 96% 30% 89% 10mi SSW 11 mph
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Thursday, May 23		5:14am / 8:01pm 6:29pm / 3:57am
Scattered Thunderstorms/Wind	69° 61°	Day: Windy. A few showers in the morning. Isolated thunderstorms in the afternoon. High 69F. Winds SSW at 20 to 30 mph. Chance of rain 30%. Night: Showers and thundershowers during the evening will give way to a steadier rain overnight - a rumble of thunder still possible. A few storms may be severe. Low 61F. Winds S at 15 to 25 mph. Chance of rain 70%. Rainfall near a half an inch. Time Temp Chill Humidity Precip Clouds Visibility Wind Weather 12am 60° 58° 96% 30% 90% 10mi SSW 12 mph 1am 61° 59° 93% 30% 89% 10mi SSW 12 mph 2am 61° 59° 96% 30% 88% 10mi SSW 13 mph 3am 61° 59° 96% 30% 87% 10mi SSW 13 mph 4am 61° 59° 96% 30% 86% 10mi SSW 14 mph 5am 61° 59° 96% 30% 84% 10mi SSW 14 mph 6am 62° 60° 93% 30% 82% 10mi SSW 15 mph 7am 62° 60° 93% 20% 79% 10mi SSW 16 mph 8am 63° 61° 93% 20% 78% 10mi SSW 17 mph 9am 65° 63° 87% 20% 78% 10mi SSW 18 mph 10am 66° 65° 87% 30% 78% 10mi SSW 19 mph 11am 67° 66° 84% 30% 77% 10mi SSW 19 mph 12pm 68° 67° 81% 30% 75% 10mi SSW 19 mph 1pm 69° 69° 78% 30% 73% 10mi SSW 20 mph 2pm 68° 67° 81% 30% 73% 10mi SSW 21 mph 3pm 68° 67° 81% 30% 75% 10mi SSW 21 mph 4pm 67° 66° 84% 30% 80% 10mi SSW 20 mph 5pm 66° 65° 87% 30% 84% 10mi SSW 20 mph 6pm 64° 62° 90% 30% 87% 10mi SSW 20 mph 7pm 63° 61° 93% 40% 88% 10mi SSW 19 mph 8pm 63° 61° 93% 40% 89% 10mi SSW 19 mph 9pm 62° 59° 93% 40% 90% 10mi SSW 19 mph 10pm 62° 59° 93% 40% 91% 10mi S 19 mph 11pm 62° 59° 93% 40% 92% 10mi S 19 mph
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Friday, May 24		5:13am / 8:02pm 7:40pm / 4:43am
Rain/Thunder	64° 53°	Rain with a few rumbles of thunder. Highs in the mid 60s and lows in the low 50s. Time Temp Chill Humidity Precip Clouds Visibility Wind Weather 12am 62° 60° 93% 50% 92% 10mi S 18 mph 1am 62° 60° 93% 60% 92% 7mi S 18 mph 2am 62° 60° 93% 70% 92% 7mi S 17 mph 3am 62° 60° 93% 70% 92% 7mi S 18 mph 4am 62° 60° 93% 70% 93% 7mi S 18 mph 5am 62° 59° 93% 70% 93% 7mi S 19 mph 6am 62° 60° 93% 70% 93% 7mi SSW 18 mph 7am 62° 60° 97% 70% 93% 7mi SSW 18 mph 8am 62° 60° 97% 70% 92% 7mi SSW 18 mph 9am 63° 61° 93% 70% 92% 7mi SSW 18 mph 10am 63° 61° 90% 70% 91% 5mi S 20 mph 11am 64° 62° 87% 70% 90% 5mi S 20 mph 12pm 64° 62° 87% 70% 89% 5mi SSW 20 mph 1pm 64° 62° 87% 70% 88% 7mi SSW 19 mph 2pm 64° 62° 87% 70% 88% 7mi SSW 19 mph 3pm 63° 61° 87% 70% 88% 7mi SSW 18 mph 4pm 63° 61° 87% 80% 88% 7mi SSW 17 mph 5pm 62° 60° 87% 70% 89% 7mi SSW 17 mph 6pm 60° 57° 93% 60% 90% 7mi SW 15 mph
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Saturday, May 25		5:12am / 8:03pm 8:48pm / 5:36am
Showers	58° 50°	Chance of showers. Highs in the upper 50s and lows in the low 50s.
Sunday, May 26		5:12am / 8:04pm 9:48pm / 6:37am
Few Showers	57° 47°	Occasional showers possible. Highs in the upper 50s and lows in the upper 40s.
Monday, May 27		5:11am / 8:05pm 10:41pm / 7:45am
Partly Cloudy	66° 50°	Mix of sun and clouds. Highs in the mid 60s and lows in the low 50s.
Tuesday, May 28		5:10am / 8:06pm 11:25pm / 8:56am
Partly Cloudy	68° 54°	Mix of sun and clouds. Highs in the upper 60s and lows in the mid 50s.
Wednesday, May 29		5:10am / 8:07pm 11:59pm / 10:08am
Partly Cloudy	69° 56°	Times of sun and clouds. Highs in the upper 60s and lows in the mid 50s.
Thursday, May 30		5:09am / 8:07pm 12:03am / 11:17am
AM Clouds/PM Sun	70° 57°	Clouds giving way to sun . Highs in the low 70s and lows in the upper 50s.
Friday, May 31		5:09am / 8:08pm 12:37am / 12:25pm
Mostly Cloudy	71° 56°	Mostly cloudy. Highs in the low 70s and lows in the mid 50s.