Shimoni tide times

Predictions: Open-Meteo Marine (MeteoFrance SMOC, 0.08° grid) — heights relative to MSL (not chart datum / LAT). Model-derived.

Model-derived from a global ocean grid. Useful indication; expect about ±45 minutes on average vs. a local harmonic gauge, individual stations vary widely. See /methodology for per-region detail. Not for navigation.

Conditions as of 01:00 local time. Refreshes daily.

Predictions: Open-Meteo Marine (MeteoFrance SMOC, 0.08° grid) — heights relative to MSL (not chart datum / LAT). Model-derived. · Not for navigation.

The angler tradition for major/minor fishing windows: major ≈3-hour windows around moon transit and opposition; minor ≈2-hour windows around moonrise and moonset. Times are Africa/Nairobi local. Folk tradition, not a scientific forecast.

Next spring tide on Thu 21 May (range 2.6m). Next neap on Sat 23 May.

Spring tides cluster around new and full moons (biggest swings). Neap tides land on quarter moons (smallest swings). See the spring tide and neap tide glossary entries for the why.

Shimoni is the southernmost mainland village in Kenya, sitting on a narrow peninsula about 80 kilometres south of Mombasa near the Tanzanian border. The name means 'place of the hole' in Swahili — a direct reference to the coral caves that run beneath the peninsula, used as holding pens for enslaved people during the 19th-century Arab slave trade. Those caves, preserved and managed by the community as a heritage site, are among the most tangible physical links to the Swahili Coast slave trade that exists anywhere on the East African seaboard. Tides at Shimoni are macrotidal by Indian Ocean standards — one of the more extreme tidal ranges on the East African coast, running 2.5 to 4.0 metres on spring tides. The pattern is semidiurnal with a small diurnal inequality. This large range transforms the coastal landscape twice daily: at low water the reef flat extends 300 to 400 metres seaward, exposing channels, pools, and coral heads that are 3 metres underwater at high tide. Open-Meteo Marine forecasts for this part of the Indian Ocean are accurate to ±45 minutes on timing and ±0.2 to 0.3 metres on height. For a 4-metre range, that height accuracy is a proportionally smaller margin than on microtidal coasts, but the timing accuracy of ±45 minutes is the critical variable — tides turn fast on a large range, and a reef flat walk that starts at low water can see the tide pushing back in rapidly within 90 minutes. Kisite-Mpunguti Marine National Park, accessible by boat from Shimoni's dhow jetty, is the primary draw for marine activity. The park covers 39 square kilometres of reef, seagrass, and open water around several small offshore islands — Kisite, Mpunguti ya Juu, and Mpunguti ya Chini. Entry fees apply; park rangers board at the jetty before departure. Dolphin pods (primarily Indo-Pacific bottlenose) are resident in the channel between Shimoni and Kisite throughout the year; early morning departures, timed to catch the dolphins feeding on the tidal current running through the channel on the flood, give the most reliable sightings. Snorkelling on Kisite's coral gardens is best at high water when the reef flat is navigable without wading through exposed coral. Whale sharks are a seasonal draw between November and February, feeding on fish spawn aggregations associated with the neap tides in that period. The whale sharks work the channel entrances and outer reef slopes; sightings are not guaranteed on any given day but are common enough that most operators run dedicated whale shark search trips during the season. Boat captains and park rangers communicate sighting locations informally — a trip that departs after 07:00 often benefits from sightings reported by earlier boats. The slave caves beneath the Shimoni peninsula extend over 100 metres into the coral rock. Inside, the ceiling height drops in places and the passage narrows; a guided tour with a torch takes about 30 minutes. Iron rings once used to restrain captives are visible in the rock walls. The cave is not tidal in the sense that water doesn't flood it with each high tide, but the humidity and the pervasive cool air reflect the proximity of the seawater table. The guided tour cost goes to the community trust that maintains the site. For fishing, Shimoni is one of the best-positioned bases on the East African coast for big-game offshore work. The deep Shimoni Channel between the peninsula and Wasini Island produces marlin, sailfish, and large yellowfin tuna; the best fishing is on the turn of the ebb tide when baitfish concentrate along the channel edge. Charter vessels operate out of the Pemba Channel Fishing Club, one of Kenya's oldest fishing lodges, which sits on the peninsula above the dhow jetty. Access from Mombasa is by road — south on the B8 highway to Lungalunga, turning off at Shimoni junction. The drive takes about 90 minutes in normal traffic. Wasini Island, directly opposite Shimoni across the channel, has no vehicles and is reached by short dhow crossing; the village there is one of the most intact examples of Swahili coastal architecture in Kenya.