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: 11.7 ℃
Wave height: 0.1 m
Wind Speed: 4.5 mps
Wave Period: 4.6 sec
Air Temperature: 17 ℃
Wave Direction: East South East
Wind Direction: West North West
Cloud Cover: Sunny/Clear

Swim Forecast

Days High Air Temperature Wind Speed Wind Direction Wave Direction Water High Temperature
Thu 08 May temp 19 ℃ 4 mps temp South South West temp East 12 ℃
Fri 09 May temp 15 ℃ 6 mps temp West North West temp East South East 12 ℃
Sat 10 May temp 17 ℃ 7 mps temp East North East temp East North East 11 ℃
Sun 11 May temp 18 ℃ 5 mps temp West North West temp North North East 11 ℃
Mon 12 May temp 20 ℃ 7 mps temp North West temp North North West 12 ℃

Tide Chart

Tide Time Zone (America/New_York) Height
Low Tide 02:54 AM ( Sun 04 May) -1.2 m ( -3.9 feet)
High Tide 09:11 AM ( Sun 04 May) 1.4 m ( 4.6 feet)
Low Tide 03:38 PM ( Sun 04 May) -1.4 m ( -4.6 feet)
High Tide 10:04 PM ( Sun 04 May) 1.1 m ( 3.6 feet)
Tide Time Zone (America/New_York) Height
09 May 2025
Low Tide 02:54 AM (Sun 04 May) -1.2 m()
High Tide 09:11 AM (Sun 04 May) 1.4 m()
Low Tide 03:38 PM (Sun 04 May) -1.4 m()
High Tide 10:04 PM (Sun 04 May) 1.1 m()
10 May 2025
Low Tide 03:59 AM (Mon 05 May) -1.1 m()
High Tide 10:16 AM (Mon 05 May) 1.3 m()
Low Tide 04:40 PM (Mon 05 May) -1.3 m()
High Tide 11:06 PM (Mon 05 May) 1.1 m()
11 May 2025
Low Tide 05:04 AM (Tue 06 May) -1.1 m()
High Tide 11:21 AM (Tue 06 May) 1.2 m()
Low Tide 05:40 PM (Tue 06 May) -1.3 m()
12 May 2025
High Tide 12:04 AM (Wed 07 May) 1.2 m()
Low Tide 06:07 AM (Wed 07 May) -1.1 m()
High Tide 12:22 PM (Wed 07 May) 1.2 m()
Low Tide 06:34 PM (Wed 07 May) -1.2 m()
13 May 2025
High Tide 12:56 AM (Thu 08 May) 1.2 m()
Low Tide 07:04 AM (Thu 08 May) -1.2 m()
High Tide 01:17 PM (Thu 08 May) 1.2 m()
Low Tide 07:22 PM (Thu 08 May) -1.2 m()
09 May 2025
High Tide 01:41 AM (Fri 09 May) 1.3 m()
Low Tide 07:53 AM (Fri 09 May) -1.3 m()
High Tide 02:05 PM (Fri 09 May) 1.2 m()
Low Tide 08:04 PM (Fri 09 May) -1.2 m()
09 May 2025
High Tide 02:21 AM (Sat 10 May) 1.4 m()
Low Tide 08:37 AM (Sat 10 May) -1.3 m()
High Tide 02:49 PM (Sat 10 May) 1.2 m()
Low Tide 08:43 PM (Sat 10 May) -1.2 m()
09 May 2025
High Tide 02:59 AM (Sun 11 May) 1.4 m()
Low Tide 09:17 AM (Sun 11 May) -1.4 m()
High Tide 03:29 PM (Sun 11 May) 1.2 m()
Low Tide 09:21 PM (Sun 11 May) -1.2 m()
09 May 2025
High Tide 03:35 AM (Mon 12 May) 1.5 m()
Low Tide 09:55 AM (Mon 12 May) -1.5 m()
High Tide 04:08 PM (Mon 12 May) 1.2 m()
Low Tide 09:59 PM (Mon 12 May) -1.2 m()
09 May 2025
High Tide 04:11 AM (Tue 13 May) 1.5 m()
Low Tide 10:33 AM (Tue 13 May) -1.5 m()
High Tide 04:46 PM (Tue 13 May) 1.1 m()
Low Tide 10:37 PM (Tue 13 May) -1.1 m()