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
17 May 2026
- W 7 knots increasing to 10 knots. Gusts up to 20 knots.
- Increasing from 5 to 10°C
- N 0.9m at 8s period
- UV Index: 0 - Low
- Mostly fine
Sun
9AM - 1PM
17 May 2026
- SW 9–11 knots.
- Increasing from 11 to 14°C
- N 0.8m at 8s period
- UV Index: 3 - Moderate
- Partly cloudy
Sun
1PM - 5PM
17 May 2026
- SW 11–14 knots. Gusts up to 18 knots.
- 12 to 15°C
- N 0.8m at 7s period
- UV Index: 3 - Moderate
- Partly cloudy