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Fujikawa Maru

Truk Lagoon, Chuuk, Micronesia · 9–34m · intermediate · sheltered

Wartime freighter upright on the lagoon floor, holds still loaded. The barrier reef blocks the ocean swell, which is why Truk dives in most weather; wind chop across the lagoon is the limiting factor.

Conditions today

Retrieved · refreshed hourly

poor

Poor — 0.7m effective waves made worse by short-period chop.

Limiting factor: period

Wave height
1.2–1.4m
Wave period
5.5–5.8s
Wind chop
0.8–1.1m
Sea temp
29–29.1°C

Ranges span today's hours. Wave height here is the raw sea state — the rating scales it for how exposed the site is. Sheltered — reef or lagoon protection, so swell is scored at half its open-water height.

Next few days

  • TodayPoor — 0.7m effective waves made worse by short-period chop.poor
  • FridayMarginal — 0.7m effective waves made worse by short-period chop.marginal
  • SaturdayGood — 0.5m effective waves in the morning window.good

Each day is scored over its morning dive window, the same as today's rating.

Dive briefing

AI-generated

Conditions today are poor, limited by short-period chop across the lagoon. The barrier reef blocks ocean swell, but wind-driven waves are making the water uncomfortable. Raw sea state is running 1.2–1.4m with 5.5–5.8 second periods, and wind waves are adding 0.8–1.1m on top. You'll need intermediate certification and a solid tolerance for washing machine conditions. Water temperature is 29–29.1°C.

The upright freighter lies across 9–34m, and divers commonly log Peacock Damsels, Bluefin Trevallies, Barcheek Trevallies, Masked Rabbitfish, Bleeker's Parrotfish, and Pink Skunk Anemonefish around the wreck. Bigeye Trevallies and Threadfin Butterflyfish are often recorded too. The holds still contain cargo worth exploring if you can manage entry in these conditions.

Written by Claude (claude-haiku-4-5-20251001) from the rating, forecast, and sightings on this page — it has no other source and cannot look anything up. Treat it as a summary, not as local knowledge.

Commonly seen here

Most-recorded species near this site, ranked by research-grade iNaturalist sightings from divers, snorkelers, and naturalists.

Species come from iNaturalist — research-grade sightings logged by divers, snorkelers, and naturalists nearby. The ranking reflects what people photograph most, not guaranteed abundance. Ask a local operator what's actually being seen. Species names link to iNaturalist for range maps, seasonality and more photos. Photos by iNaturalist contributors under Creative Commons licences — individual credit on hover.