About Seaham Harbour Marina
We accept visiting boats all year round up to 10 metres length and to a maximum of 1.8 metres draft. NAVIGATION MARKS harbour entrance north breakwater black & white circle lighthouse giving green flash each 10 seconds harbour entrance south breakwater 3 continuous red lights marina entrance 3 vertical red or green lights to port side of gateway, do not enter gateway during 3 red lights

Facilities
COORDINATES
54.83864 N, -1.32995 E
Port Information
Telephone
Berth Sizes
< 10m
Depth at MLW
< 2m
Manoeuvrability
Fair
Channel Marking
Fair
Port of Entry
Yes
Overseas Visitor Berths
Yes
Dock Type
Floating
Style Side To
Yes
Tidal Flow
Negligible
Weather Forecast
Thu
1PM - 5PM
14 May 2026
- N 11 knots increasing to 16 knots. Gusts up to 27 knots.
- 9°C
- Chance of showers
Thu
5PM - 9PM
14 May 2026
- N 16 knots decreasing to 12 knots. Gusts up to 27 knots.
- 7 to 9°C
- N 1.2m at 5s period
- UV Index: 0 - Low
- Partly cloudy
Thu
9PM - 5AM
14 May 2026
- NW 10–13 knots. Gusts up to 23 knots.
- 3 to 7°C
- N 1.2-2.2m at 6s period
- UV Index: 0 - Low
- Cloudy