About Roche Harbor Marina
Roche Harbor Marina is located on the north end of San Juan Island in Washington State. The island is located approximately 65 miles north of Seattle and the greater Puget Sound area, and southeast of Vancouver Island and the Canadian Gulf islands. Roche Harbor is a historic seaside resort located on San Juan Island, Washington. Steeped in rich history & surrounded by lush gardens, the village is a short drive from nearby Friday Harbor. Our world-class marina hosts vessels of all sizes & offers whale-watching tours, boat and kayak rentals, a float plane dock, and US customs office. Local Port Contacts: Immigration (360) 988-2971 Agriculture Information (360) 988-2971-Border Patrol Information (360) 988-5520



Installations
COORDINATES
48.60870 N, -123.15309 E
Port Information
Téléphone
Berth Sizes
< 10m, 10-20m, 20m+
Profondeur à la marée basse moyenne
2 - 3m
Manœuvrabilité
Good
Channel Marking
Excellent
Canal VHF
78A
Port d'entrée
No
Overseas Visitor Berths
Yes
Type de quai
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Wed
5AM - 9AM
13 May 2026
- SW 9 knots decreasing to 6 knots. Gusts up to 18 knots.
- 12°C
- Chance of showers
Wed
9AM - 1PM
13 May 2026
- SW 5 knots increasing to 12 knots. Gusts up to 19 knots.
- 12 to 15°C
- Calm sea
- UV Index: 4 - Moderate
- Cloudy
Wed
1PM - 5PM
13 May 2026
- SW 10–17 knots. Gusts up to 26 knots.
- 15°C
- SW 0.6m at 3s period
- UV Index: 4 - Moderate
- Cloudy