Hyannis Harbor
Conditions are Caution now, and seas exceed your 2.5 ft limit around 6 AM; plan to be back before then.
Right now
updated 2:06 AM
50°F · sets 5:59 PM
gusts 16 kt
Low tide 5:56 AM
1.87 ft MLLW · 0.5 ft above prediction
Latest observations plus the current-hour NWS sky forecast. The call itself runs on the hourly forecast; nearby NDBC 44020 observations do not replace it.
How the day develops
Available forecast · 20 kt peak wind · 3 ft peak seas · Steep, close chop
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Right now. Caution. Seas are the limiting factor. 2 feet every 8 seconds, 0.5 feet under your 2.5 foot limit. some sun, wind southeast 7 knots, comfortably under the limit, tide falling, low tide at 5:56 AM.
Nearby harbors
Nearby boating conditions
Local source coverage
Marine forecast and boating conditions for Hyannis Harbor
A central Cape Cod harbor in Lewis Bay with ferry traffic and ready access to Nantucket Sound.
This harbor in Massachusetts uses Nantucket Sound (44020) for marine observations, Woods Hole (8447930) for tide predictions, and Barnstable Muni (KHYA) for nearby aviation weather context.
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