OMyMyOHellYes
Contributor
I spend an inordinate amount of time looking at the following when thinking about dive trips. I see NO reason to ever get into cold water. Average, high and low by month for most sites you'd care to do.
seatemperature.info
OMMOHY

Sea water temperature. Sea surface temperatures on the coast
We offer information on climate conditions around the globe, with detailed current and historical data of sea water temperatures, surf forecasts, tides and sea state

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