St. Thomas Tide Times

Canada · 42.6600°N, 81.2100°W
Showing tides and weather from nearest station: Port Stanley Ontario, Ontario, Canada (13 km away)

Note: St. Thomas has a very small astronomical tide — about 2 cm between high and low water. Day-to-day changes in water level here are driven mainly by wind, air pressure and seiche rather than the tide, so observed levels can differ noticeably from these predictions.

Today — Fri, Sep 18

  • Low Tide3:25 AM0.15m (0.5ft) LAT
  • High Tide10:40 AM0.16m (0.5ft) LAT

Sat, Sep 19

  • Low Tide4:02 AM0.14m (0.5ft) LAT
  • High Tide11:19 AM0.16m (0.5ft) LAT
  • Low Tide6:53 PM0.14m (0.5ft) LAT
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Station Details

Location
Port Stanley Ontario, Ontario, Canada
Coordinates
42.6600°N, 81.2100°W
Station ID
port_stanley_ontario-12400-can-meds
Type
Reference (harmonic)
Timezone
America/Toronto
Datum
LAT (Lowest Astronomical Tide)
Source
TICON-4 (SHOM)

Tide Chart for Port Stanley Ontario

Sun

Rise --
Set --

Moon

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Tidal Conditions

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Fishing & Tides at St. Thomas — Friday, September 18

Poor fishing day
First Quarter · 50% illuminated

Best fishing times today

  • Minor10:16 PM – 11:16 PM
  • Major5:58 AM – 7:58 AM☀ prime
  • Minor2:39 PM – 3:39 PM
  • Major6:23 PM – 8:23 PM☀ prime
Neap tides — a smaller tidal range than usual today

The moon is at a quarter phase, so today's high and low tides are closer together than usual.

7-Day Tide Table & Forecast for Port Stanley Ontario

Legend — How to read this forecast
High Tide / Low Tide — Predicted peak and trough water levels with time and height.
☀️ Sunrise / Sunset — Local times for the station’s timezone.
🌙 Moon Phase — Current lunar phase and illumination percentage. New/Full moons correlate with stronger (spring) tides; Quarter moons with weaker (neap) tides.
🌊 Spring / NeapSpring tides (near new/full moon) have larger tidal ranges. Neap tides (near quarter moons) have smaller ranges. Moderate is in between.
🎣 Fishing (Solunar)★★★★★ 1–5 star rating based on moon phase and lunar distance. Best fishing is typically around new and full moons when the moon is closest (perigee). Major feeding periods occur when the moon is overhead or underfoot.

Nearby Tide Stations

Tide Times for Nearby Places

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Tidal constituents from TICON-4 (SHOM/SEANOE), licensed CC-BY-4.0 (doi:10.17882/109129). Citation: Lefèvre F., Carre H., Faucher C. (2025).
Data: NOAA CO-OPS, TICON-4 (CC-BY-4.0, SHOM/SEANOE), FES2022 (AVISO+/CNES). About & Sources