Jetties Beach

Large sandy beach, site of the Nantucket Island Open water Swim (Swim Across America).

Nantucket, Massachusetts, USA View on map
Water Temperature: 64.7 ℉
Wave height: 3.2 feet
Wind Speed: 4.6 mph
Wave Period: 4.1 sec
Air Temperature: 68 ℉
Wave Direction: South South West
Wind Direction: North North East
Cloud Cover: Sunny/Clear

Swim Forecast

Days High Air Temperature Wind Speed Wind Direction Wave Direction Water High Temperature
Thu 10 July temp 70 ℉ 18 mph temp North temp South 65℉
Fri 11 July temp 68 ℉ 9 mph temp North North East temp South South West 68℉
Sat 12 July temp 67 ℉ 13 mph temp East temp South 69℉
Sun 13 July temp 68 ℉ 13 mph temp East North East temp South South East 69℉
Mon 14 July temp 69 ℉ 11 mph temp East temp South East 71℉

Tide Chart

Tide Time Zone (America/New_York) Height
High Tide 01:10 AM ( Sun 06 July) 0.5 m ( 1.6 feet)
Low Tide 07:42 AM ( Sun 06 July) -0.4 m ( -1.3 feet)
High Tide 01:56 PM ( Sun 06 July) 0.2 m ( 0.7 feet)
Low Tide 07:18 PM ( Sun 06 July) -0.3 m ( -1 feet)
Tide Time Zone (America/New_York) Height
11 July 2025
High Tide 01:10 AM (Sun 06 July) 0.5 m()
Low Tide 07:42 AM (Sun 06 July) -0.4 m()
High Tide 01:56 PM (Sun 06 July) 0.2 m()
Low Tide 07:18 PM (Sun 06 July) -0.3 m()
12 July 2025
High Tide 01:56 AM (Mon 07 July) 0.5 m()
Low Tide 08:30 AM (Mon 07 July) -0.4 m()
High Tide 02:46 PM (Mon 07 July) 0.2 m()
Low Tide 08:03 PM (Mon 07 July) -0.3 m()
13 July 2025
High Tide 02:41 AM (Tue 08 July) 0.5 m()
Low Tide 09:14 AM (Tue 08 July) -0.4 m()
High Tide 03:33 PM (Tue 08 July) 0.2 m()
Low Tide 08:46 PM (Tue 08 July) -0.3 m()
14 July 2025
High Tide 03:26 AM (Wed 09 July) 0.5 m()
Low Tide 09:55 AM (Wed 09 July) -0.4 m()
High Tide 04:17 PM (Wed 09 July) 0.2 m()
Low Tide 09:28 PM (Wed 09 July) -0.3 m()
15 July 2025
High Tide 04:10 AM (Thu 10 July) 0.6 m()
Low Tide 10:35 AM (Thu 10 July) -0.4 m()
High Tide 04:59 PM (Thu 10 July) 0.2 m()
Low Tide 10:10 PM (Thu 10 July) -0.3 m()
11 July 2025
High Tide 04:54 AM (Fri 11 July) 0.6 m()
Low Tide 11:14 AM (Fri 11 July) -0.5 m()
High Tide 05:41 PM (Fri 11 July) 0.2 m()
Low Tide 10:53 PM (Fri 11 July) -0.3 m()
11 July 2025
High Tide 05:38 AM (Sat 12 July) 0.6 m()
Low Tide 11:53 AM (Sat 12 July) -0.5 m()
High Tide 06:22 PM (Sat 12 July) 0.3 m()
Low Tide 11:38 PM (Sat 12 July) -0.4 m()
11 July 2025
High Tide 06:22 AM (Sun 13 July) 0.6 m()
Low Tide 12:32 PM (Sun 13 July) -0.5 m()
High Tide 07:04 PM (Sun 13 July) 0.3 m()
11 July 2025
Low Tide 12:26 AM (Mon 14 July) -0.4 m()
High Tide 07:08 AM (Mon 14 July) 0.6 m()
Low Tide 01:13 PM (Mon 14 July) -0.5 m()
High Tide 07:48 PM (Mon 14 July) 0.4 m()
11 July 2025
Low Tide 01:17 AM (Tue 15 July) -0.4 m()
High Tide 07:57 AM (Tue 15 July) 0.6 m()
Low Tide 01:56 PM (Tue 15 July) -0.5 m()
High Tide 08:33 PM (Tue 15 July) 0.4 m()