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
Sun
5AM - 9AM
26 April 2026
- S 3 knots increasing to 7 knots.
- Increasing from 2 to 7°C
- N 1.3m at 9s period
- UV Index: 0 - Low
- Cloudy
Sun
9AM - 1PM
26 April 2026
- S 8 knots.
- Increasing from 8 to 14°C
- N 1.3m at 9s period
- UV Index: 3 - Moderate
- Cloudy
Sun
1PM - 5PM
26 April 2026
- SE 6–8 knots.
- 13 to 15°C
- N 1.4m at 9s period
- UV Index: 3 - Moderate
- Cloudy