Thomas Basin
Southeast Alaska South (Ketchikan, Prince of Wales Island, Wrangell, Petersburg) · USA
Plan route from Thomas BasinShow on map
Thomas Basin is a harbour in the Southeast Alaska South (Ketchikan, Prince of Wales Island, Wrangell, Petersburg) cruising area, USA. The water depth in the harbour is about 15.4 m. Facilities on site: Toilets, Restaurant, Groceries. The nearest harbour by water is Casey Moran Harbor (0.3 nm). With Sailseer you can plan passages from here with weather from nine models, tides, currents and bridge times.
Harbour info
Water depth: Harbour 15.4 m
Depth source: EMODnet (estimate)
Location: 55° 20,38' N 131° 38,45' W
From OpenStreetMap (way/512340041). Depth 15.4 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
- Casey Moran Harbor 0.3 nm W · Plan route
- Bar Harbor South 1.5 nm NW · Plan route
- Bar Harbor North 1.6 nm NW · Plan route
- Hole In Wall Harbor 6.8 nm E · Plan route
- Clover Pass Marina 12.5 nm NW · Plan route
- Knudson Cove Marina 13.2 nm NW · Plan route
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 Thomas Basin?
The water depth in the harbour is about 15.4 m. Source of the depth: EMODnet (estimate). Always rely on the chart and the echo sounder.
What facilities does Thomas Basin have?
Facilities on site: Toilets, Restaurant, Groceries.
Which harbours are near Thomas Basin?
By water: Casey Moran Harbor (0.3 nm), Bar Harbor South (1.5 nm), Bar Harbor North (1.6 nm), Hole In Wall Harbor (6.8 nm), Clover Pass Marina (12.5 nm), Knudson Cove Marina (13.2 nm).
What is the weather like in Thomas Basin?
For Thomas Basin, 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 way/512340041, OpenStreetMap (harbour services) (as of 2026-10-21) Location and facilities partly from OpenStreetMap (© OpenStreetMap contributors, ODbL).