About Safe Harbor Jefferson Beach
With direct access to Beautiful Lake St. Clair, Safe Harbor Jefferson Beach is your gateway to unlimited marine recreation and open-water boating. As a full-service marina with over 50 years of experience, we are one of Michigan's largest and most well-known marinas. Safe Harbor Jefferson Beach offers a total of 800 deepwater wells for both seasonal and transient boaters. Slips range in size from 18 ft. to 85 ft., with the capacity to accommodate vessels up to 135 ft. We also have many choices for winter boat storage along with a full service and maintenance department. Contact us today to join our boating community!

Installations
COORDINATES
42.46939 N, -82.87603 E
Port Information
Téléphone
Berth Sizes
< 10m, 10-20m, 20m+
Profondeur à la marée basse moyenne
3m+
Manœuvrabilité
Good
Channel Marking
Excellent
Canal VHF
68
Overseas Visitor Berths
Yes
Type de quai
Fixed
Style Side To
Yes
Active Winter
Yes
Weather Forecast
Fri
9AM - 1PM
27 March 2026
- N 8–13 knots. Gusts up to 17 knots.
- Increasing from −4 to −1°C
- Calm sea
- Sunny
Fri
1PM - 5PM
27 March 2026
- N 11 knots decreasing to 7 knots. Gusts up to 17 knots.
- −2 to 3°C
- Calm sea
- UV Index: 6 - High
- Sunny
Fri
5PM - 9PM
27 March 2026
- N 7–10 knots veering E 7-10 knots.
- Decreasing from 2 to −2°C
- Calm sea
- UV Index: 0 - Low
- Partly cloudy