Portland Harbor
Small Craft Advisory until Sun 12 AM.
Right now
updated 2:05 AM
47°F · sets 5:56 PM
gusts 10 kt
High tide 3:31 AM
7.23 ft MLLW · 1.5 ft above prediction
Latest observations plus the current-hour NWS sky forecast. The call itself runs on the hourly forecast; nearby NDBC 44007 observations do not replace it.
Small Craft Advisory issued October 15 at 2:27PM EDT until October 18 at 12:00AM EDT by NWS Gray ME In effect through 10/18/2026, 12:00:00 AM EDT.
Read the NWS alertHow the day develops
Available forecast · 17 kt peak wind · 4 ft peak seas · Steep, close chop
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Right now. Caution. Seas are the limiting factor. 1 feet every 7 seconds, 1.5 feet under your 2.5 foot limit. cloudy, wind east 4 knots, comfortably under the limit, tide rising, high tide at 3:31 AM.
Nearby harbors
Nearby boating conditions
Local source coverage
Marine forecast and boating conditions for Portland Harbor
Maine's largest harbor and the primary jumping-off point for the islands and passages of Casco Bay.
This harbor in Maine uses Portland (44007) for marine observations, Portland (8418150) for tide predictions, and Portland Intl Jetport (KPWM) for nearby aviation weather context.
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