Can you swim at Grand Haven State in May? — 23.0°C water
Yes — comfortable for most swimmers
Average sea · May
23.0°C
Live water now
…
Recommended wetsuit
Rash vest or swimsuit
warm
Yes. With a 23.0°C average in May, most swimmers find Grand Haven State comfortable after the first 10–20 seconds of acclimatisation.
Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the Grand Haven State live page for full conditions.
Best months to swim
May · June · July · August · September · October · November
Frequently asked questions
What is the average sea temperature at Grand Haven State in May?
Grand Haven State averages 23.0°C in May, based on long-run climatology for the Lake Michigan.
Is the sea warm enough to swim at Grand Haven State in May?
Yes, most swimmers find 23.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Grand Haven State in May?
Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.