Porphyry Island harbor
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Porphyry Island harbor

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About Porphyry Island harbor

Amenities on the island include two docks that can accommodate up to 8-foot draft boaters, picnic tables, a fire pit, camping area, sauna, and boathouse wifi. There are several kilometers of walking trails on site, including one that leads you to the point on Porphyry Island that bisects Porphyry Island Provincial Park Nature Reserve. Entrance Guidance: As you approach the harbor, look for the range markers to help guide you through the entrance. It's essential to stay in the center of the channel to avoid the shoals located on either side. This ensures a safe and smooth entry into the harbor. Depth: The harbor provides depths ranging between 20 to 30 feet, making it suitable for a range of vessels. Holding Conditions: The seabed is a likely mix of sand and mud, offering good holding for anchoring. This helps ensure your vessel remains secure, even with minor changes in weather. Wind Protection: The harbor offers good wind protection, which makes it a reliable anchorage when conditions are calm, though exposure to severe weather may require additional caution or alternative shelter. Surroundings: Porphyry Island is known for its scenic beauty and the iconic Porphyry Island Lighthouse, which is rich in history and worth visiting. The surrounding wilderness also provides opportunities for wildlife observation and hiking. Precautions: While anchoring, it's wise to monitor updated nautical charts for any uncharted hazards and keep an eye on Lake Superior's notoriously changeable weather. The harbor’s protection is best suited for calm weather, so boaters should remain vigilant. This harbor combines practicality with a serene atmosphere, making it a fantastic spot for boaters seeking both security and scenic charm.

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Marina Image
Marina Image

Facilities

iconWater
iconToilets
COORDINATES
48.34951 N, -88.63783 E

Port Information

Berth Sizes

< 10m, 10-20m

Depth at MLW

2 - 3m

Manoeuvrability

Good

Channel Marking

Fair

Port of Entry

No

Overseas Visitor Berths

Yes

Dock Type

Floating

Style Side To

Yes

Tidal Flow

Beware

Active Winter

Yes

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Weather Forecast

Fri
5AM - 9AM
06 February 2026
  • wind icon
    NW 14–18 knots.
  • temp icon
    −14°C
  • rain icon
    Sunny
Fri
9AM - 1PM
06 February 2026
  • wind icon
    NW 14–22 knots.
  • temp icon
    −17 to −13°C
  • wave icon
    N 0.9m at 3s period
  • sun icon
    UV Index: 1 - Low
  • rain icon
    Mostly fine
Fri
1PM - 5PM
06 February 2026
  • wind icon
    N 14–16 knots. Gusts up to 23 knots.
  • temp icon
    −16 to −14°C
  • wave icon
    N 0.8m at 3s period
  • sun icon
    UV Index: 0 - Low
  • rain icon
    Mostly fine