harbor · New Hampshire

Portsmouth Harbor

Wind and seas stay inside your 15 kt wind and 2.5 ft seas limits from now through 4:25 AM, covering your full 4-hour outing.

Right now

updated 12:25 AM
Sky
Mostly Cloudy

46°F · sets 5:59 PM

Wind
South-southwest 8 kt

gusts 10 kt

Tide
Flood

High tide 3:40 AM

Water
55.8°F

Water level not reported

Latest observations plus the current-hour NWS sky forecast. The call itself runs on the hourly forecast; nearby NDBC 44030 observations do not replace it.

How the day develops

Full-day forecast · 13 kt peak wind · 4 ft peak seas · Steep, close chop

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Right nowGo

Right now. Go. Everything is under your limits. Wind 0 of 15 knots; seas 1 of 2.5 feet. Wind direction unavailable. cloudy, wind direction unavailable; speed 0 knots, seas 1 feet every 7 seconds, rising, high tide at 3:40 AM.

Nearby harbors

Nearby boating conditions

Local source coverage

Marine forecast and boating conditions for Portsmouth Harbor

A deep historic harbor at the Piscataqua River entrance, shaped by strong tidal currents and commercial traffic.

This harbor in New Hampshire uses Western Maine Shelf (44030) for marine observations, Wells (8418911) for tide predictions, and Portsmouth Intl (KPSM) for nearby aviation weather context.

Boat or Nope continuously checks the source bindings behind this planning page.