- Low 3:43 AM 0.8 ft
- High 9:53 AM 8.0 ft
- Low 4:07 PM 0.6 ft
- High 10:15 PM 8.0 ft
First light 6:37 AMSunrise 7:06 AMSunset 5:47 PMLast light 6:17 PM
Plum Island, Merrimack River Entrance, MA Tide Chart & Tide Times
NOAA tide station 8440452 · Massachusetts · updated Oct 24, 2026
Sat, Oct 24: High tide 10:35 AM (8.5 ft) and 11:00 PM (8.2 ft); low tide 4:25 AM (0.6 ft) and 4:52 PM (0.1 ft).
Tide todayHigh 10:35 AM · High 11:00 PMLow 4:25 AM · Low 4:52 PM
Today's range8.4 ft0.1 → 8.5 ft (MLLW)
Waves (buoy)Loading…NDBC 44029
Water temp (buoy)Loading…
WindLoading…
Sun7:07 AM – 5:46 PMFirst light 6:38 AM · Last light 6:15 PM
Buoy: NOAA NDBC 44029 (Buoy A01 - Massachusetts Bay), 24 mi away. Buoy readings are recent observations, not a surf forecast. Wind: observed at NOAA NDBC station 44029 (Buoy A01 - Massachusetts Bay), 24 mi away; forecast from the NOAA National Weather Service (api.weather.gov).
Plum Island, Merrimack River Entrance tides — next 3 days
Shaded = night · heights in feet above MLLW · local time
- Low 4:25 AM 0.6 ft
- High 10:35 AM 8.5 ft
- Low 4:52 PM 0.1 ft
- High 11:00 PM 8.2 ft
First light 6:38 AMSunrise 7:07 AMSunset 5:46 PMLast light 6:15 PM
- Low 5:06 AM 0.4 ft
- High 11:16 AM 8.9 ft
- Low 5:37 PM -0.3 ft
- High 11:45 PM 8.3 ft
First light 6:39 AMSunrise 7:08 AMSunset 5:44 PMLast light 6:14 PM
- Low 5:48 AM 0.3 ft
- High 11:58 AM 9.3 ft
- Low 6:22 PM -0.7 ft
First light 6:40 AMSunrise 7:10 AMSunset 5:43 PMLast light 6:13 PM
- High 12:30 AM 8.4 ft
- Low 6:31 AM 0.2 ft
- High 12:42 PM 9.6 ft
- Low 7:08 PM -0.9 ft
First light 6:41 AMSunrise 7:11 AMSunset 5:42 PMLast light 6:11 PM
Plum Island, Merrimack River Entrance tide table — next 8 days
| Fri, Oct 23 | Low 3:43 AM 0.75 ft | High 9:53 AM 8.02 ft | Low 4:07 PM 0.62 ft | High 10:15 PM 8.03 ft |
|---|---|---|---|---|
| Sat, Oct 24 | Low 4:25 AM 0.57 ft | High 10:35 AM 8.49 ft | Low 4:52 PM 0.14 ft | High 11:00 PM 8.20 ft |
| Sun, Oct 25 | Low 5:06 AM 0.42 ft | High 11:16 AM 8.95 ft | Low 5:37 PM -0.30 ft | High 11:45 PM 8.33 ft |
| Mon, Oct 26 | Low 5:48 AM 0.29 ft | High 11:58 AM 9.34 ft | Low 6:22 PM -0.66 ft | |
| Tue, Oct 27 | High 12:30 AM 8.40 ft | Low 6:31 AM 0.21 ft | High 12:42 PM 9.64 ft | Low 7:08 PM -0.88 ft |
| Wed, Oct 28 | High 1:17 AM 8.39 ft | Low 7:16 AM 0.20 ft | High 1:28 PM 9.79 ft | Low 7:56 PM -0.94 ft |
| Thu, Oct 29 | High 2:06 AM 8.29 ft | Low 8:04 AM 0.27 ft | High 2:18 PM 9.76 ft | Low 8:48 PM -0.84 ft |
| Fri, Oct 30 | High 2:58 AM 8.12 ft | Low 8:57 AM 0.42 ft | High 3:12 PM 9.58 ft | Low 9:43 PM -0.62 ft |
| Sat, Oct 31 | High 3:54 AM 7.94 ft | Low 9:55 AM 0.61 ft | High 4:11 PM 9.28 ft | Low 10:43 PM -0.35 ft |
Times are local (standard/daylight). Heights in feet above MLLW.
Nearby tide stations
- Newburyport, MA 2.7 mi
- Salisbury Point, MA 4.7 mi
- Hampton Harbor, NH 5.4 mi
- Plum Island Sound (South End), MA 7.5 mi
- Merrimacport, MA 8.5 mi
- Riverside, MA 11.4 mi
- Essex, MA 13.0 mi
- Annisquam, Lobster Cove, MA 13.3 mi
About this station
- NOAA station ID
- 8440452
- Type
- Reference (harmonic) station
- Coordinates
- 42.8167, -70.8200
- Datum
- MLLW (feet)
- Time zone
- America/New_York
FAQ
When is high tide today at Plum Island, Merrimack River Entrance, MA?
On Sat, Oct 24, predicted high tide at Plum Island, Merrimack River Entrance, MA is at 10:35 AM, 11:00 PM local time.
When is low tide today at Plum Island, Merrimack River Entrance, MA?
On Sat, Oct 24, predicted low tide at Plum Island, Merrimack River Entrance, MA is at 4:25 AM, 4:52 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 8440452. Heights are in feet relative to Mean Lower Low Water (MLLW).