The Strait of Juan de Fuca connects Puget Sound to the Pacific Ocean along the northern coast of Washington State, with dive sites near Port Angeles, Sekiu, and the Olympic Peninsula. The water is cold year-round, sitting between eight and fourteen degrees Celsius across all months, and a drysuit is the practical choice for most divers. Sites include kelp forest and reef dives at Salt Creek and Sekiu Jetty, seagrass beds, and drop-offs, alongside freshwater sites at Lake Crescent where visibility reaches up to a hundred metres. Species recorded include harbour seals, dogfish, cabezon, painted greenling, orange sea pens, bobtail squid, and Pacific electric rays.
Monthly water temperature across Strait of Juan de Fuca's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
Water temperatures remain cold throughout the year, peaking in late summer and dropping back toward eight degrees Celsius in winter. A drysuit is recommended for year-round diving, as even at the warmest months temperatures stay well below fifteen degrees Celsius.
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Water temperature around Strait of Juan de Fuca ranges from about 8°C in January to 11°C in August, based on satellite sea-temperature data for its dive sites.
With water around 8–11°C, a drysuit works in Strait of Juan de Fuca year-round.
Fin maps 6 sites in Strait of Juan de Fuca (5 scuba diving sites and 2 snorkelling spots, with some suited to both).
Across Strait of Juan de Fuca's dive sites, June, July, August, September and October are most often reported as the best months to visit.
5 more sites to explore
