Reverse Falls

Question

What tidal time is best to visit Cobscook Shores/Race Point to see the reversing falls.

The website says anytime, but then implies there is nothing to see at slack tide.

It would be easy for us to visit at or just before/after high tide, but could make other times work.

Advice? Thanks so much

Answer

The Reverse Falls at Cobscook Bay near Lubec, Maine, are a fascinating natural phenomenon caused by the extremely high tidal range in the area. The "reversing" effect occurs when the strong tidal currents flow in opposite directions, creating noticeable surges and turbulent water at certain times. While the website may say you can visit anytime, the most dramatic and visually interesting moments happen around specific tidal conditions.

Best Tidal Times to Visit:

Incoming tide (flood tide): A few hours before and after high tide, the water begins to flow back into the bay, creating the reversing currents. This is generally one of the best times to observe the dynamic movement of water at Race Point.
Outgoing tide (ebb tide): A few hours before and after low tide, the water flows out of the bay, also producing noticeable surges and the reversing effect. Many visitors find this visually striking as well.
Avoid slack tide: Slack tide occurs roughly at the peak of high tide and the trough of low tide, when water movement slows and the flow momentarily stops. During these periods, the reversing effect is minimal or absent, so visiting exactly at slack tide will not provide the dramatic water movement most people hope to see.

In practical terms, planning your visit about 1–2 hours before and after high tide or low tide will give you the best chance to witness the reversing flows. Since tides shift daily, it’s useful to check local tidal charts for Cobscook Bay to time your visit accurately. The reversing falls are most easily seen from accessible observation points at Cobscook Shores State Park and Race Point, where you can safely view the currents without needing to be in the water.

Additional Tips:

Check the weather and wind conditions. Calm days with clear visibility make it easier to observe the water movement.
Bring binoculars or a camera with a zoom lens to capture the effect from the shore.
Plan for a flexible schedule if possible; arriving early and staying for an hour or two around the key tidal window allows you to see both the peak of the incoming and outgoing flows.

In summary, while any time can give you a view of Cobscook Shores and Race Point, the reversing falls are most pronounced a short window before and after high and low tides. Avoid slack tide for the most visual impact, and consult tidal charts in advance to optimize your visit.