Pacific Northwest, United States

    HMS Express

    Best months: Sep–Jan

    Why dive here

    With 35+ marine species recorded in the area - including humpback whales, orcas and seals & sea lions - HMS Express offers some of Pacific Northwest's richest wreck diving. Water ranges 7-17°C, warmest July, August, September.

    Best timeSep–Jan
    WetsuitA drysuit
    Marine lifeHumpback Whales, Orcas and Seals & Sea Lions · 35+ species recorded
    Water7-17°C · warmest July, August, September
    CharacterWreck dive

    The HMS Express isn’t some tropical sun-drenched wreck. This is classic Pacific Northwest diving, so pull on that drysuit and prepare for an adventure. We love the chill it gives you, descending into the cool, green depths to find a piece of history. This E-class destroyer, lost in 1934, is now a seriously moody dive. We’ve found the bow section often holds the biggest surprises, with huge schools of shiner perch swirling through the superstructure, sometimes so thick you feel like you’re swimming through liquid silver. Keep an eye out for big skates tucked into crevices, their flat bodies almost perfectly camouflaged against the aged metal. The stern section is more broken up, but it's where we've encountered some impressive red rock crabs, all scuttling angles and aggressive claws. Visibility can swing dramatically, from a murky haze to a surprisingly clear 10 metres, especially if you catch it after a few days of calm weather. Our best advice? Go with a local operator who knows the tides – strong currents can make this a challenging dive, but they also bring in the bigger visitors. We’ve seen common seals cruising the perimeter and even heard rumours of orcas passing through, though we haven't been that lucky ourselves. This isn't a dive for casual beginners; it's for those who appreciate history and the raw beauty of cold-water wrecks.

    Safety Notes

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Cold water this month (avg 11°C). Drysuit or thick wetsuit (7mm+) recommended.

    Today06:3417:4111h 7m daylightGolden hour 16:57

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    Conditions

    Ocean conditions, forecast and tides for HMS Express

    HMS Express Ocean Conditions

    Monthly averages for HMS Express, sourced from NOAA NDBC + Copernicus Marine (EU) - nearest station: 9449880 - Friday Harbor, WA (27km away)

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    October Averages

    Sea Temperature

    11°C

    53°F · Range: 9.6–11.4°C

    Air Temperature

    11°C

    51°F

    Current Speed

    3.16 cm/s

    Direction: E (108.4°)

    Salinity

    23.61 PSU

    Wind Speed

    1.8 m/s

    3.5 knots

    Atmospheric Pressure

    1018.3 hPa

    Based on 5 years of monitoring data · Data sources: NOAA NDBC + Copernicus Marine (EU)

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