Nantucket Harbor
Current conditions are outside your 15 kt wind or 2.5 ft seas limit.
Right now
updated 4:43 PM
76°F · sets 7:17 PM
gusts 17 kt
Next tide turn unavailable
Water level not reported
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.
Small Craft Advisory issued August 30 at 2:13PM EDT until August 31 at 12:00AM EDT by NWS Boston/Norton MA In effect through 8/31/2026, 12:00:00 AM EDT.
Read the NWS alertHow the day develops
Available forecast · 14 kt peak wind · 3 ft peak seas · Rolling swell
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Right now. No-Go. Seas are the limiting factor. 3 feet every 8 seconds, 0.5 feet over your 2.5 foot limit. some sun, wind southwest 14 knots, tide tide unavailable.
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Nearby boating conditions
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Marine forecast and boating conditions for Nantucket Harbor
An offshore island destination with a well-marked but busy harbor entrance and exposed surrounding waters.
This island harbor in Massachusetts uses Nantucket Sound (44020) for marine observations, Nantucket Island (8449130) for tide predictions, and Nantucket Memorial (KACK) for nearby aviation weather context.
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