Plum Island Sound (South End), MA Tide Chart & Tide Times

NOAA tide station 8441241 · Massachusetts · updated Oct 23, 2026

Fri, Oct 23: High tide 9:49 AM (8.7 ft) and 10:13 PM (8.7 ft); low tide 3:45 AM (0.9 ft) and 4:10 PM (0.7 ft).

Tide todayHigh 9:49 AM · High 10:13 PMLow 3:45 AM · Low 4:10 PM
Today's range8.0 ft0.7 → 8.7 ft (MLLW)
Waves (buoy)Loading…NDBC 44029
Water temp (buoy)Loading… 
WindLoading…   
Sun7:06 AM – 5:47 PMFirst light 6:36 AM · Last light 6:17 PM

Buoy: NOAA NDBC 44029 (Buoy A01 - Massachusetts Bay), 17 mi away. Buoy readings are recent observations, not a surf forecast. Wind: observed at NOAA NDBC station 44029 (Buoy A01 - Massachusetts Bay), 17 mi away; forecast from the NOAA National Weather Service (api.weather.gov).

Plum Island Sound (South End) tides — next 3 days

Shaded = night · heights in feet above MLLW · local time

TodayFri, Oct 23
6 AMNoon6 PM3:45a · 0.9′9:49a · 8.7′4:10p · 0.7′10:13p · 8.7′
  • Low 3:45 AM 0.9 ft
  • High 9:49 AM 8.7 ft
  • Low 4:10 PM 0.7 ft
  • High 10:13 PM 8.7 ft

First light 6:36 AMSunrise 7:06 AMSunset 5:47 PMLast light 6:17 PM

TomorrowSat, Oct 24
6 AMNoon6 PM4:29a · 0.8′10:33a · 9.2′4:57p · 0.2′11p · 8.9′
  • Low 4:29 AM 0.8 ft
  • High 10:33 AM 9.2 ft
  • Low 4:57 PM 0.2 ft
  • High 11:00 PM 8.9 ft

First light 6:38 AMSunrise 7:07 AMSunset 5:46 PMLast light 6:15 PM

SundaySun, Oct 25
6 AMNoon6 PM5:12a · 0.6′11:16a · 9.7′5:43p · -0.2′11:46p · 9.0′
  • Low 5:12 AM 0.6 ft
  • High 11:16 AM 9.7 ft
  • Low 5:43 PM -0.2 ft
  • High 11:46 PM 9.0 ft

First light 6:39 AMSunrise 7:08 AMSunset 5:45 PMLast light 6:14 PM

MondayMon, Oct 26
6 AMNoon6 PM5:54a · 0.4′12p · 10.2′6:28p · -0.6′
  • Low 5:54 AM 0.4 ft
  • High 12:00 PM 10.2 ft
  • Low 6:28 PM -0.6 ft

First light 6:40 AMSunrise 7:09 AMSunset 5:43 PMLast light 6:13 PM

Plum Island Sound (South End) tide table — next 9 days

Fri, Oct 23Low 3:45 AM
0.94 ft
High 9:49 AM
8.71 ft
Low 4:10 PM
0.72 ft
High 10:13 PM
8.71 ft
Sat, Oct 24Low 4:29 AM
0.76 ft
High 10:33 AM
9.23 ft
Low 4:57 PM
0.22 ft
High 11:00 PM
8.88 ft
Sun, Oct 25Low 5:12 AM
0.59 ft
High 11:16 AM
9.74 ft
Low 5:43 PM
-0.24 ft
High 11:46 PM
9.04 ft
Mon, Oct 26Low 5:54 AM
0.43 ft
High 12:00 PM
10.19 ft
Low 6:28 PM
-0.63 ft
Tue, Oct 27High 12:32 AM
9.14 ft
Low 6:37 AM
0.32 ft
High 12:45 PM
10.53 ft
Low 7:15 PM
-0.87 ft
Wed, Oct 28High 1:19 AM
9.15 ft
Low 7:23 AM
0.26 ft
High 1:32 PM
10.72 ft
Low 8:04 PM
-0.95 ft
Thu, Oct 29High 2:08 AM
9.09 ft
Low 8:12 AM
0.28 ft
High 2:22 PM
10.73 ft
Low 8:56 PM
-0.87 ft
Fri, Oct 30High 3:01 AM
8.96 ft
Low 9:05 AM
0.38 ft
High 3:16 PM
10.57 ft
Low 9:51 PM
-0.67 ft
Sat, Oct 31High 3:56 AM
8.80 ft
Low 10:03 AM
0.52 ft
High 4:14 PM
10.28 ft
Low 10:49 PM
-0.41 ft

Times are local (standard/daylight). Heights in feet above MLLW.

Nearby tide stations

About this station

NOAA station ID
8441241
Type
Reference (harmonic) station
Coordinates
42.7101, -70.7886
Datum
MLLW (feet)
Time zone
America/New_York

FAQ

When is high tide today at Plum Island Sound (South End), MA?

On Fri, Oct 23, predicted high tide at Plum Island Sound (South End), MA is at 9:49 AM, 10:13 PM local time.

When is low tide today at Plum Island Sound (South End), MA?

On Fri, Oct 23, predicted low tide at Plum Island Sound (South End), MA is at 3:45 AM, 4:10 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 8441241. Heights are in feet relative to Mean Lower Low Water (MLLW).