Semiahmoo Marina
San Juan Islands and northern Washington (Friday Harbor, Anacortes, Bellingham, Point Roberts) · USA
Plan route from Semiahmoo MarinaShow on map
Semiahmoo Marina is a harbour in the San Juan Islands and northern Washington (Friday Harbor, Anacortes, Bellingham, Point Roberts) cruising area, USA. The water depth in the harbour is about 5 m. Facilities on site: Toilets, Restaurant, Groceries. The nearest harbour by water is Walsh Marina (0.4 nm). With Sailseer you can plan passages from here with weather from nine models, tides, currents and bridge times.
Harbour info
Water depth: Harbour 5 m
Depth source: EMODnet (estimate)
Location: 48° 59,29' N 122° 46,23' W
From OpenStreetMap (node/5291920426). Depth 5 m estimated off the entrance from the EMODnet model, not guaranteed.
Facilities
ToiletsRestaurantGroceries
10-day outlook
| Day | Wind kn | Gusts kn | from | Waves | Weather | |
|---|---|---|---|---|---|---|
| loading … | ||||||
Strongest wind and gust per day, mean of ECMWF and GFS; from day six only a trend. Hourly forecast, models and warnings on the map
Nearest harbours by water
- Walsh Marina 0.4 nm NE · Plan route
- White Rock 2.3 nm NW · Plan route
- Birch Bay Village Marina 5.8 nm S · Plan route
- Crescent Beach Marina 8.3 nm NW · Plan route
- Mud Bay Yacht Club 9.4 nm NW · Plan route
- Point Roberts Marina Resort 11.9 nm W · Plan route
Webcams nearby
Links only, the page does not check whether a camera is currently working.
Harbour guides and charts
- OpenSeaMap Chart with buoys, lights and harbour details
- OpenStreetMap Map with paths, shops and addresses ashore
- Google Maps Satellite view, Street View, opening hours ashore
- Windy Webcams Webcams nearby
- Navily Photos, reviews, prices and berth booking
- noforeignland Anchorages, services and reports from cruising sailors
Rules and formalities
Frequently asked questions
How deep is the water at Semiahmoo Marina?
The water depth in the harbour is about 5 m. Source of the depth: EMODnet (estimate). Always rely on the chart and the echo sounder.
What facilities does Semiahmoo Marina have?
Facilities on site: Toilets, Restaurant, Groceries.
Which harbours are near Semiahmoo Marina?
By water: Walsh Marina (0.4 nm), White Rock (2.3 nm), Birch Bay Village Marina (5.8 nm), Crescent Beach Marina (8.3 nm), Mud Bay Yacht Club (9.4 nm), Point Roberts Marina Resort (11.9 nm).
What is the weather like in Semiahmoo Marina?
For Semiahmoo Marina, Sailseer shows the 10-day outlook from ECMWF and GFS and, on the map, the hourly forecast from nine models with official warnings and measured wind.
Sources: OpenStreetMap node/5291920426, OpenStreetMap (harbour services) (as of 2026-10-21) Location and facilities partly from OpenStreetMap (© OpenStreetMap contributors, ODbL).