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: 17.3 ℃
Wave height: 0.1 m
Wind Speed: 8.9 mps
Wave Period: 4.7 sec
Air Temperature: 29 ℃
Wave Direction: East
Wind Direction: South
Cloud Cover: Sunny/Clear

Swim Forecast

Days High Air Temperature Wind Speed Wind Direction Wave Direction Water High Temperature
Mon 23 June temp 35 ℃ 3 mps temp North West temp West North West 18 ℃
Tue 24 June temp 39 ℃ 5 mps temp South temp East 19 ℃
Wed 25 June temp 33 ℃ 4 mps temp West North West temp West North West 20 ℃
Thu 26 June temp 29 ℃ 6 mps temp South West temp East North East 19 ℃
Fri 27 June temp 21 ℃ 4 mps temp East North East temp East North East 17 ℃

Tide Chart

Tide Time Zone (America/New_York) Height
Low Tide 03:43 AM ( Thu 19 June) -1.4 m ( -4.6 feet)
High Tide 09:52 AM ( Thu 19 June) 1.4 m ( 4.6 feet)
Low Tide 04:08 PM ( Thu 19 June) -1.5 m ( -4.9 feet)
High Tide 10:23 PM ( Thu 19 June) 1.5 m ( 4.9 feet)
Tide Time Zone (America/New_York) Height
24 June 2025
Low Tide 03:43 AM (Thu 19 June) -1.4 m()
High Tide 09:52 AM (Thu 19 June) 1.4 m()
Low Tide 04:08 PM (Thu 19 June) -1.5 m()
High Tide 10:23 PM (Thu 19 June) 1.5 m()
25 June 2025
Low Tide 04:42 AM (Fri 20 June) -1.5 m()
High Tide 10:51 AM (Fri 20 June) 1.4 m()
Low Tide 05:03 PM (Fri 20 June) -1.5 m()
High Tide 11:18 PM (Fri 20 June) 1.6 m()
26 June 2025
Low Tide 05:42 AM (Sat 21 June) -1.6 m()
High Tide 11:52 AM (Sat 21 June) 1.3 m()
Low Tide 05:59 PM (Sat 21 June) -1.4 m()
27 June 2025
High Tide 12:13 AM (Sun 22 June) 1.8 m()
Low Tide 06:42 AM (Sun 22 June) -1.7 m()
High Tide 12:53 PM (Sun 22 June) 1.4 m()
Low Tide 06:56 PM (Sun 22 June) -1.5 m()
28 June 2025
High Tide 01:09 AM (Mon 23 June) 1.9 m()
Low Tide 07:41 AM (Mon 23 June) -1.8 m()
High Tide 01:53 PM (Mon 23 June) 1.4 m()
Low Tide 07:52 PM (Mon 23 June) -1.5 m()
24 June 2025
High Tide 02:05 AM (Tue 24 June) 1.9 m()
Low Tide 08:38 AM (Tue 24 June) -1.9 m()
High Tide 02:52 PM (Tue 24 June) 1.4 m()
Low Tide 08:48 PM (Tue 24 June) -1.5 m()
24 June 2025
High Tide 03:01 AM (Wed 25 June) 2 m()
Low Tide 09:32 AM (Wed 25 June) -2 m()
High Tide 03:48 PM (Wed 25 June) 1.4 m()
Low Tide 09:42 PM (Wed 25 June) -1.5 m()
24 June 2025
High Tide 03:56 AM (Thu 26 June) 2 m()
Low Tide 10:26 AM (Thu 26 June) -2 m()
High Tide 04:42 PM (Thu 26 June) 1.4 m()
Low Tide 10:35 PM (Thu 26 June) -1.5 m()
24 June 2025
High Tide 04:49 AM (Fri 27 June) 1.9 m()
Low Tide 11:17 AM (Fri 27 June) -1.9 m()
High Tide 05:35 PM (Fri 27 June) 1.4 m()
Low Tide 11:28 PM (Fri 27 June) -1.5 m()
24 June 2025
High Tide 05:42 AM (Sat 28 June) 1.8 m()
Low Tide 12:07 PM (Sat 28 June) -1.8 m()
High Tide 06:26 PM (Sat 28 June) 1.4 m()