Castle Island

Small beach on a peninsula in South Boston on the shore of Boston Harbor, in “Pleasure Bay”, well-protected from surf... Read More

Boston, Massachusetts, USA View on map
Water Temperature: 39.3 ℉
Wave height: 0.9 feet
Wind Speed: 2.4 mph
Wave Period: 3.8 sec
Air Temperature: 29 ℉
Wave Direction: North East
Wind Direction: South
Cloud Cover: Sunny/Clear

Swim Forecast

Days High Air Temperature Wind Speed Wind Direction Wave Direction Water High Temperature
Fri 17 January temp 32 ℉ 7 mph temp South South West temp South 39℉
Sat 18 January temp 40 ℉ 11 mph temp South temp North East 40℉
Sun 19 January temp 39 ℉ 11 mph temp South South East temp South East 40℉
Mon 20 January temp 32 ℉ 16 mph temp North East temp East North East 40℉
Tue 21 January temp 32 ℉ 11 mph temp West temp West North West 39℉

Tide Chart

Tide Time Zone (America/New_York) Height
High Tide 03:14 AM ( Mon 13 January) 1.2 m ( 3.9 feet)
Low Tide 09:04 AM ( Mon 13 January) -1.5 m ( -4.9 feet)
High Tide 03:20 PM ( Mon 13 January) 1.7 m ( 5.6 feet)
Low Tide 09:48 PM ( Mon 13 January) -1.9 m ( -6.2 feet)
Tide Time Zone (America/New_York) Height
18 January 2025
High Tide 03:14 AM (Mon 13 January) 1.2 m()
Low Tide 09:04 AM (Mon 13 January) -1.5 m()
High Tide 03:20 PM (Mon 13 January) 1.7 m()
Low Tide 09:48 PM (Mon 13 January) -1.9 m()
19 January 2025
High Tide 04:05 AM (Tue 14 January) 1.3 m()
Low Tide 09:54 AM (Tue 14 January) -1.5 m()
High Tide 04:10 PM (Tue 14 January) 1.7 m()
Low Tide 10:35 PM (Tue 14 January) -1.9 m()
20 January 2025
High Tide 04:52 AM (Wed 15 January) 1.3 m()
Low Tide 10:43 AM (Wed 15 January) -1.5 m()
High Tide 04:57 PM (Wed 15 January) 1.7 m()
Low Tide 11:20 PM (Wed 15 January) -1.8 m()
21 January 2025
High Tide 05:36 AM (Thu 16 January) 1.3 m()
Low Tide 11:29 AM (Thu 16 January) -1.4 m()
High Tide 05:42 PM (Thu 16 January) 1.6 m()
22 January 2025
Low Tide 12:02 AM (Fri 17 January) -1.7 m()
High Tide 06:18 AM (Fri 17 January) 1.3 m()
Low Tide 12:14 PM (Fri 17 January) -1.4 m()
High Tide 06:25 PM (Fri 17 January) 1.5 m()
18 January 2025
Low Tide 12:44 AM (Sat 18 January) -1.6 m()
High Tide 07:00 AM (Sat 18 January) 1.2 m()
Low Tide 12:59 PM (Sat 18 January) -1.3 m()
High Tide 07:09 PM (Sat 18 January) 1.3 m()
18 January 2025
Low Tide 01:25 AM (Sun 19 January) -1.5 m()
High Tide 07:42 AM (Sun 19 January) 1.2 m()
Low Tide 01:46 PM (Sun 19 January) -1.2 m()
High Tide 07:54 PM (Sun 19 January) 1.2 m()
18 January 2025
Low Tide 02:07 AM (Mon 20 January) -1.4 m()
High Tide 08:25 AM (Mon 20 January) 1.2 m()
Low Tide 02:34 PM (Mon 20 January) -1.2 m()
High Tide 08:42 PM (Mon 20 January) 1 m()
18 January 2025
Low Tide 02:51 AM (Tue 21 January) -1.2 m()
High Tide 09:10 AM (Tue 21 January) 1.1 m()
Low Tide 03:25 PM (Tue 21 January) -1.1 m()
High Tide 09:33 PM (Tue 21 January) 0.9 m()
18 January 2025
Low Tide 03:39 AM (Wed 22 January) -1.1 m()
High Tide 09:59 AM (Wed 22 January) 1.1 m()
Low Tide 04:19 PM (Wed 22 January) -1.1 m()
High Tide 10:28 PM (Wed 22 January) 0.8 m()