Directions

San Juan Island is served by Washington State Ferries, several private cruise and shuttle craft and two air carriers (one of which has both land and seaplane service). The Washington State Ferries terminal is 85 miles north of Seattle and 90 miles south of Vancouver, BC in Anacortes, WA.

Weather Notes

Spring: Temperatures usually range from 40 F to 60 F. Wildflowers are at their peak around May. Summer: Temperatures usually range from 45 F to 70 F. On very sunny days, be prepared with water-heat exhaustion is a common complaint among park visitors who are unprepared. Fall: Temperatures usually range from 40 F to 65 F. Rain is common. Winter: Temperatures range from 35 F to 50 F. Be prepared with cold and wet weather gear and numerous layers if you intend to be outside. Rain and wind are common.