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
Sat
5AM - 9AM
28 March 2026
- W 15–19 knots. Gusts up to 31 knots.
- 2 to 6°C
- NW 0.9m at 6s period
- UV Index: 0 - Low
- Partly cloudy
Sat
9AM - 1PM
28 March 2026
- W 17–19 knots. Gusts up to 31 knots.
- Increasing from 6 to 9°C
- NW 0.9m at 5s period
- UV Index: 2 - Low
- Cloudy
Sat
1PM - 5PM
28 March 2026
- NW 15–19 knots. Gusts up to 28 knots.
- 6 to 9°C
- NW 0.9m at 5s period
- UV Index: 1 - Low
- Mostly fine