Boston Harbor
Small Craft Advisory until 6 PM.
Right now
updated 1:17 AM
50°F · sets 6:01 PM
gusts 14 kt
High tide 3:41 AM
5.94 ft MLLW · 0.6 ft above prediction
Latest observations plus the current-hour NWS sky forecast. The call itself runs on the hourly forecast; nearby NDBC 44013 observations do not replace it.
Small Craft Advisory issued October 15 at 1:49PM EDT until October 16 at 6:00PM EDT by NWS Boston/Norton MA In effect through 10/16/2026, 6:00:00 PM EDT.
Read the NWS alertGale Watch issued October 15 at 1:49PM EDT until October 17 at 8:00PM EDT by NWS Boston/Norton MA In effect through 10/17/2026, 8:00:00 PM EDT.
Read the NWS alertHow the day develops
Available forecast · 12 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 5 seconds, 0.5 feet under your 2.5 foot limit. cloudy, wind south 6 knots, comfortably under the limit, tide rising, high tide at 3:41 AM.
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Nearby boating conditions
Local source coverage
Marine forecast and boating conditions for Boston Harbor
A large island-studded harbor combining commercial channels, protected waters, and an urban waterfront.
This harbor in Massachusetts uses Boston (44013) for marine observations, Boston (8443970) for tide predictions, and Boston/Logan Intl (KBOS) for nearby aviation weather context.
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