Castle Island Surf Forecast and Surf Reports

(Bermuda)

Forecast
- Hourly Forecast
- 16 Day Forecast
Maps
Live
Weather State
Spot Information

Castle Island Surf Guide

Castle Island in - is a sheltered point break Works best in offshore winds from the northwest. Waves just as likely from local windswells as from distant groundswells and the ideal swell angle is from the southwest.. Best around low tide. Sometimes crowded. Submerged rocks are a hazard.

Castle Island Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Point	4	rarely breaks	21.3°C*ocean temperature recorded from satellite

Surfing Castle Island:

The best conditions reported for surf at Castle Island occur when a Southwest swell combines with an offshore wind direction from the Northwest.

Hourly Forecast

16 Day Forecast

What's the best time of year to surf Castle Island (for consistent clean waves)?

januaryBest Season: winter

The best time of year for surfing Castle Island with consistent clean waves (rideable swell with light / offshore winds) is during Winter and most often the month of January. Clean surfable waves are typically found 9% of the time in January while 12% of the time it tends to be blown out. For the remaining 79% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.

blown out

12%

Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).

too small

79%

Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Castle Island Location Map

Interactive Castle Island surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The nearest passenger airport to Castle Island is Nantucket Mem Airport (ACK) in USA, which is 1101 km (684 miles) away (directly). The second closest airport to Castle Island is Elizabeth City Cgas Rgnl Airport (ECG), also in USA, 1142 km (709 miles) away.

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.

Castle Island Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Tuesday, 5 May 2026, 08:18 Local Time

m, °C	Tuesday 05
ft, °F	6AM	9AM	12PM	3PM
Wave (m)	NW	WNW	NE	W
Period (s)	8	7	5	7
Wind (km/h)
Wind State	cross	cross	cross	cross

Tides at Castle Island

Current tide and informaton

For Ferry Reach (Biological Station), Bermuda Islands, 4 km from Castle Island.

Next High Water: 11:35am | 0.66m

Next Low Water: 05:33pm | 0.12m

NEXT	IS AT (local time)	remaining
high tide
low tide

Castle Island Sea Temperature

The Castle Island water temperature is warm (21.3 °C) and the air temperature not too different (windchill forecast 18.0 °C). A good quality summer wetsuit would be ideal though a shorty will suffice.

Today, many surfers would wear a summer wetsuit.

Current Temp*: 21.3°C*ocean temperature recorded from satellite