| Distance / Altitude | Location | Report Date / Time | Live Weather | Wind | Gusts | Temp. | Visibility | Cloud |
|---|---|---|---|---|---|---|---|---|
| 4 km W / 25 m | Boston (Massachusetts) | 2025-12-20 22:20 local (2025/12/21 03:20 GMT) | - | calm (0 km/h at 244) | 2°C | - | - - 0 | |
| 4 km N / 218 m | Boston Airport (Massachusetts) | 2025-12-20 21:54 local (2025/12/21 02:54 GMT) |  Dry and cloudy | moderate winds from the S (24 km/h at 190) | 1°C | 16 | overcast | |
| 4 km WNW / 3 m | BUOY-BHBM3 (Marine) | 2025-12-20 22:30 local (2025/12/21 03:30 GMT) | - (- km/h at -) | 2°C | - | |||
| 6 km NE / 10 m | Winthrop (Massachusetts) | 2025-12-20 21:12 local (2025/12/21 02:12 GMT) | - | calm (5 km/h at 192) | 1°C | - | - - 0 | |
| 8 km N / 122 m | Chelsea (Massachusetts) | 2025-12-20 23:19 local (2025/12/21 04:19 GMT) | - | light winds from the WSW (11 km/h at 242) | 1°C | - | - - 0 | |
| 8 km W / 14 m | Cambridgeport wx (United States) | 2025-12-20 23:03 local (2025/12/21 04:03 GMT) | - | light winds from the S (10 km/h at 180) | 2°C | - | - - 0 | |
| 8 km S / 34 m | Lower Mills wx (United States) | 2025-12-20 22:47 local (2025/12/21 03:47 GMT) | - | calm (0 km/h at 170) | 1°C | - | - - 0 | |
| 9 km S / 25 m | Milton (Massachusetts) | 2025-12-20 22:44 local (2025/12/21 03:44 GMT) | - | wind obs. (6 kph from 135 degs) was rejected (- km/h at -) | 1°C | - | - - 0 | |
| 9 km SW / 28 m | Forest Hills wx (United States) | 2025-12-20 21:39 local (2025/12/21 02:39 GMT) | - | light winds from the SSW (8 km/h at 200) | 1°C | - | - - 0 | |
| 10 km WNW / 15 m | Somerville (Massachusetts) | 2025-12-20 21:49 local (2025/12/21 02:49 GMT) | - | calm (3 km/h at 147) | 1°C | - | - - 0 |
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Other Nearby Locations' tide tables and tide charts to Castle Island, Boston Harbor, Massachusetts:
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Surf breaks close to Castle Island, Boston Harbor, Massachusetts:
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|---|---|---|
| Closest surf break | Winthrop Jetty | 4 mi |
| Second closest surf break | Nantasket Beach | 7 mi |
| Third closest surf break | Nahant Beach | 8 mi |
| Fourth closest surf break | Lynne Beach | 11 mi |
| Fifth closest surf break | Prestons | 17 mi |
Nearest
