Japan · Harmonic Tide Model
Tide Table Tappi — 2026
📍 Lat 41.2425, Lon 140.3814
Tide range. Higher values mean spring tides.
The moon drives the tides and the fish.
Radar de Chuva (Tempo Real)
Temperatura da Água
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Índice UV Atual
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🏖️ Recommended Activities
At low tide the waters tend to be calmer.
Access only within the 2 hours near the lowest tide.
Ask the skipper about the conditions.
🎣 Solunar Table
Major Periods (2h)
Minor Periods (1h)
Based on the Solunar Theory (John Alden Knight): fish and wildlife tend to feed more during the periods when the moon is overhead or underfoot (major) and at moonrise/moonset (minor). The score considers the lunar phase and the crossing of major periods with the local high tide.
Nearby places
📘 About Tappi Tide Forecast
The coordinates for Tappi (41.24° N, 140.38° E) place this stretch of Japan's coast in the northern hemisphere. Its tidal pattern is mixed semi-diurnal (unequal tidal heights across the day), with a mean tidal range of 0.3m and spring tides reaching up to 0.5m. Beaches here have very narrow intertidal zones, with only a few metres between high and low water marks. Mixed tides blend characteristics of diurnal and semi-diurnal patterns — the morning tide may differ greatly from the afternoon tide in height and current. Waters along this coast are influenced by events such as El Niño, which can temporarily raise mean sea level. Review the annual 2026 tide guide for Tappi, constructed with continuous high and low water forecasts measured in metres. In October, Tappi is in its autumn season, a key period for water sports, fishing, diving, and coastal navigation. Astronomical tables for this site are processed using tidal harmonic algorithms and adjusted for regional bathymetry.
⚠️ Notice
Astronomical prediction from a harmonic model — does not account for storm surge, meteorological tide, or extreme events.