Portland is a striking coastal area on the Dorset coast, forming part of the Jurassic Coast and surrounded by the waters of the English Channel. The Isle of Portland is known for its dramatic cliffs, harbour, beaches and strong maritime heritage, making accurate tide information useful for boating, fishing, coastal walks and exploring the shoreline. Use our Portland tide times to check today’s predicted high and low tides, along with the full 7-day forecast, and plan your time by the coast around the changing tide.