Plum Island Sound Weather

Synopsis...A FRONTAL BOUNDARY WILL LINGER OVER THE WATERS TODAY. THE BOUNDARY IS EXPECTED TO LIE ROUGHLY E TO W FROM BOS HARBOR TO PROVINCETOWN AND OFFSHORE. THIS FRONT WILL THEN LIFT NORTH WED AND THU. A COLD FRONT WILL MOVE ACROSS THE WATERS FRI. HIGH PRES WILL FOLLOW FOR THE WEEKEND AND INTO EARLY NEXT WEEK.

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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Today: ESE wind 7 to 12 kt becoming ENE in the morning. A chance of showers and thunderstorms, mainly after noon. Patchy fog. Seas around 1 ft.

Tonight: E wind 9 to 12 kt decreasing to 5 to 8 kt after midnight. A chance of showers, with thunderstorms also possible after 9pm. Patchy fog. Seas around 1 ft.

Wednesday: Variable winds less than 5 kt becoming ESE 5 to 7 kt in the afternoon. A chance of showers and thunderstorms. Patchy fog before 1pm. Seas 1 to 2 ft.

Wednesday Night: Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 8pm. Seas around 2 ft.

Thursday: SSW wind 10 to 13 kt increasing to 15 to 18 kt in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Seas 2 to 3 ft.

Thursday Night: SSW wind 12 to 16 kt. Showers. Seas around 2 ft.

Friday: SE wind 9 to 12 kt becoming S 6 to 9 kt in the afternoon. A chance of showers. Seas around 2 ft.

Friday Night: N wind 5 to 8 kt. A chance of showers. Seas 2 to 3 ft.

Saturday: N wind 8 to 10 kt, with gusts as high as 23 kt. Mostly sunny. Seas around 4 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.

Tuesday, May 21		5:15am / 8:05pm 4:10pm / 2:47am
PM Thunderstorms	64° 53°	Day: Cloudy this morning. Scattered thunderstorms developing this afternoon. High 64F. Winds ESE at 5 to 10 mph. Chance of rain 40%. Night: Showers and thundershowers likely this evening with a shower or two possible overnight. Low 53F. Winds NE at 5 to 10 mph. Chance of rain 60%. Time Temp Chill Humidity Precip Clouds Visibility Wind Weather 9am 61° 61° 87% 20% 87% 10mi ESE 5 mph 10am 62° 62° 84% 20% 88% 10mi ESE 6 mph 11am 63° 63° 78% 20% 88% 10mi ESE 7 mph 12pm 64° 64° 81% 20% 84% 10mi ESE 7 mph 1pm 64° 64° 81% 40% 81% 10mi ESE 9 mph 2pm 64° 64° 81% 40% 80% 10mi ESE 9 mph 3pm 62° 61° 84% 40% 81% 10mi E 9 mph 4pm 60° 59° 84% 40% 84% 10mi E 9 mph 5pm 58° 56° 86% 40% 88% 10mi ENE 9 mph 6pm 57° 55° 86% 40% 89% 10mi ENE 10 mph 7pm 56° 53° 86% 40% 90% 10mi ENE 10 mph 8pm 56° 53° 83% 40% 90% 10mi NE 10 mph 9pm 56° 54° 83% 40% 90% 10mi NE 9 mph 10pm 55° 53° 83% 40% 90% 10mi NE 8 mph 11pm 55° 53° 86% 30% 90% 10mi NE 8 mph
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Wednesday, May 22		5:14am / 8:06pm 5:21pm / 3:20am
AM Showers	79° 64°	Day: Chance of a shower or two during the morning, followed by partly cloudy skies in the afternoon. High 79F. Winds SSW at 5 to 10 mph. Chance of rain 30%. Night: Isolated thunderstorms during the evening, then mainly cloudy overnight. Low 64F. Winds SSW at 5 to 10 mph. Chance of rain 30%. Time Temp Chill Humidity Precip Clouds Visibility Wind Weather 12am 55° 53° 86% 30% 90% 10mi NE 7 mph 1am 55° 54° 90% 20% 90% 10mi ENE 6 mph 2am 55° 54° 93% 20% 90% 10mi ENE 5 mph 3am 54° 53° 96% 20% 90% 10mi NE 4 mph 4am 54° 53° 96% 30% 90% 10mi NE 4 mph 5am 54° 54° 96% 30% 90% 10mi NE 3 mph 6am 55° 55° 93% 30% 91% 10mi NE 3 mph 7am 56° 56° 93% 30% 91% 10mi SW 3 mph 8am 58° 58° 90% 30% 89% 10mi SW 3 mph 9am 60° 60° 87% 30% 85% 10mi SW 4 mph 10am 63° 63° 84% 30% 78% 10mi SW 5 mph 11am 67° 67° 78% 30% 70% 10mi SW 6 mph 12pm 70° 70° 73% 30% 62% 10mi SSW 7 mph 1pm 73° 73° 68% 10% 55% 10mi SSW 7 mph 2pm 76° 76° 62% 0% 50% 10mi SSW 8 mph 3pm 77° 77° 60% 0% 48% 10mi SSW 8 mph 4pm 77° 77° 60% 10% 49% 10mi SSW 8 mph 5pm 76° 76° 62% 20% 50% 10mi SSW 8 mph 6pm 75° 75° 64% 20% 52% 10mi SSW 8 mph 7pm 74° 74° 66% 20% 54% 10mi S 7 mph 8pm 72° 72° 71% 20% 59% 10mi S 7 mph 9pm 70° 70° 76% 20% 59% 10mi SSW 7 mph 10pm 69° 69° 81% 30% 74% 10mi SSW 7 mph 11pm 68° 68° 84% 30% 79% 10mi SSW 7 mph
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Thursday, May 23		5:14am / 8:07pm 6:34pm / 3:58am
Showers	75° 60°	Showers. Highs in the mid 70s and lows in the low 60s. Time Temp Chill Humidity Precip Clouds Visibility Wind Weather 12am 67° 67° 87% 30% 78% 10mi SSW 7 mph 1am 66° 66° 90% 20% 73% 10mi SSW 7 mph 2am 66° 66° 90% 10% 70% 10mi SSW 7 mph 3am 65° 65° 93% 10% 70% 10mi SSW 7 mph 4am 65° 65° 93% 10% 72% 10mi SSW 8 mph 5am 65° 65° 93% 20% 72% 10mi SSW 8 mph 6am 65° 65° 93% 20% 70% 10mi SSW 9 mph 7am 66° 66° 90% 20% 65% 10mi SSW 10 mph 8am 68° 68° 87% 20% 60% 10mi SSW 12 mph
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Friday, May 24		5:13am / 8:08pm 7:45pm / 4:43am
Few Showers	67° 48°	Occasional showers possible. Highs in the upper 60s and lows in the upper 40s.
Saturday, May 25		5:12am / 8:09pm 8:53pm / 5:36am
Partly Cloudy	60° 47°	Times of sun and clouds. Highs in the low 60s and lows in the upper 40s.
Sunday, May 26		5:11am / 8:10pm 9:54pm / 6:37am
Partly Cloudy	63° 47°	Mix of sun and clouds. Highs in the low 60s and lows in the upper 40s.
Monday, May 27		5:11am / 8:11pm 10:46pm / 7:45am
Mostly Sunny	67° 49°	Plenty of sun. Highs in the upper 60s and lows in the upper 40s.
Tuesday, May 28		5:10am / 8:12pm 11:30pm / 8:57am
Sunny	69° 52°	Abundant sunshine. Highs in the upper 60s and lows in the low 50s.
Wednesday, May 29		5:09am / 8:12pm 11:59pm / 10:09am
Cloudy	72° 55°	Cloudy. Highs in the low 70s and lows in the mid 50s.
Thursday, May 30		5:09am / 8:13pm 12:07am / 11:19am
Showers	73° 57°	Showers possible. Highs in the low 70s and lows in the upper 50s.