- Low 3:28 AM 0.6 ft
- High 9:49 AM 8.0 ft
- Low 3:52 PM 0.5 ft
- High 10:09 PM 8.1 ft
First light 6:37 AMSunrise 7:06 AMSunset 5:47 PMLast light 6:16 PM
Portsmouth, NH Tide Chart & Tide Times
NOAA tide station 8423745 · New Hampshire · updated Oct 23, 2026
Fri, Oct 23: High tide 9:49 AM (8.0 ft) and 10:09 PM (8.1 ft); low tide 3:28 AM (0.6 ft) and 3:52 PM (0.5 ft).
Tide todayHigh 9:49 AM · High 10:09 PMLow 3:28 AM · Low 3:52 PM
Today's range7.5 ft0.5 → 8.1 ft (MLLW)
Waves (buoy)Loading…NDBC 44030
Water temp (buoy)Loading…
WindLoading…
Sun7:06 AM – 5:47 PMFirst light 6:37 AM · Last light 6:16 PM
Buoy: NOAA NDBC 44030 (Buoy B01 - Western Maine Shelf), 18 mi away. Buoy readings are recent observations, not a surf forecast. Wind: observed at NOAA NDBC station 44030 (Buoy B01 - Western Maine Shelf), 18 mi away; forecast from the NOAA National Weather Service (api.weather.gov).
Portsmouth tides — next 3 days
Shaded = night · heights in feet above MLLW · local time
- Low 4:08 AM 0.4 ft
- High 10:28 AM 8.5 ft
- Low 4:35 PM -0.0 ft
- High 10:52 PM 8.3 ft
First light 6:38 AMSunrise 7:07 AMSunset 5:45 PMLast light 6:15 PM
- Low 4:48 AM 0.1 ft
- High 11:07 AM 9.0 ft
- Low 5:19 PM -0.5 ft
- High 11:37 PM 8.5 ft
First light 6:39 AMSunrise 7:09 AMSunset 5:44 PMLast light 6:13 PM
- Low 5:30 AM -0.0 ft
- High 11:47 AM 9.3 ft
- Low 6:03 PM -0.9 ft
First light 6:40 AMSunrise 7:10 AMSunset 5:42 PMLast light 6:12 PM
Portsmouth tide table — next 9 days
| Fri, Oct 23 | Low 3:28 AM 0.64 ft | High 9:49 AM 7.98 ft | Low 3:52 PM 0.51 ft | High 10:09 PM 8.06 ft |
|---|---|---|---|---|
| Sat, Oct 24 | Low 4:08 AM 0.36 ft | High 10:28 AM 8.49 ft | Low 4:35 PM -0.03 ft | High 10:52 PM 8.29 ft |
| Sun, Oct 25 | Low 4:48 AM 0.13 ft | High 11:07 AM 8.96 ft | Low 5:19 PM -0.51 ft | High 11:37 PM 8.45 ft |
| Mon, Oct 26 | Low 5:30 AM -0.03 ft | High 11:47 AM 9.33 ft | Low 6:03 PM -0.86 ft | |
| Tue, Oct 27 | High 12:22 AM 8.52 ft | Low 6:13 AM -0.09 ft | High 12:30 PM 9.56 ft | Low 6:49 PM -1.04 ft |
| Wed, Oct 28 | High 1:09 AM 8.48 ft | Low 6:59 AM -0.06 ft | High 1:17 PM 9.63 ft | Low 7:38 PM -1.04 ft |
| Thu, Oct 29 | High 1:58 AM 8.34 ft | Low 7:48 AM 0.08 ft | High 2:06 PM 9.53 ft | Low 8:30 PM -0.85 ft |
| Fri, Oct 30 | High 2:51 AM 8.10 ft | Low 8:40 AM 0.31 ft | High 3:00 PM 9.27 ft | Low 9:26 PM -0.55 ft |
| Sat, Oct 31 | High 3:49 AM 7.83 ft | Low 9:38 AM 0.59 ft | High 4:01 PM 8.92 ft | Low 10:28 PM -0.23 ft |
Times are local (standard/daylight). Heights in feet above MLLW.
Beaches & towns near this station
- Ogunquit, ME 13.5 mi
Nearby tide stations
- Seavey Island, ME 0.5 mi
- Atlantic Heights, NH 1.0 mi
- Fort Point, NH 2.1 mi
- Jaffrey Point, NH 2.4 mi
- Kittery Point, ME 2.5 mi
- Gerrish Island, ME 2.9 mi
- Seapoint, Cutts Island, ME 4.6 mi
- Dover Point, NH 5.1 mi
About this station
- NOAA station ID
- 8423745
- Type
- Subordinate station (offsets from NOAA station 8418150)
- Coordinates
- 43.0783, -70.7517
- Datum
- MLLW (feet)
- Time zone
- America/New_York
FAQ
When is high tide today at Portsmouth, NH?
On Fri, Oct 23, predicted high tide at Portsmouth, NH is at 9:49 AM, 10:09 PM local time.
When is low tide today at Portsmouth, NH?
On Fri, Oct 23, predicted low tide at Portsmouth, NH is at 3:28 AM, 3:52 PM local time.
Where does this tide data come from?
Predictions come from NOAA's Center for Operational Oceanographic Products and Services (CO-OPS), station 8423745. Heights are in feet relative to Mean Lower Low Water (MLLW).