43.0785’ N, 70.7253’ W

Seavey Island, NH

68°
H -°
L 60°
NW
2mph
Low tide
12:00 am

Tides Today & Tomorrow in Seavey Island, NH

TIDE TIMES for Friday, September 4, 2026
The tide is currently falling in Seavey Island, NH.
Next low tide (tomorrow) : in 2h 05m at 12:00 am (0.4 ft)
Next high tide (tomorrow) : 6:15 am (7.4 ft)
Sunset today : 7:12 pm
Sunrise tomorrow : 6:10 am
Moon phase : Third Quarter (46% illuminated)
Tide Station Location : Station #8419870
Common Questions About Tides

Seavey Island, NH Tides - Sep 1901

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:239.612:469.76:29-0.86:56-0.85:066:19Waning Gibbous1Sun
2Mon1:129.51:349.87:16-0.77:47-0.85:076:17Waning Gibbous2Mon
3Tue2:049.22:259.78:05-0.48:42-0.65:086:15Waning Gibbous3Tue
4Wed3:008.83:219.68:59-0.19:42-0.35:096:14Third Quarter4Wed
5Thu4:008.44:229.39:580.310:46-0.15:106:12Third Quarter5Thu
6Fri5:058.15:279.111:010.611:520.15:116:10Third Quarter6Fri
7Sat6:138.06:349.012:070.75:136:08Waning Crescent7Sat
8Sun7:208.07:419.012:590.21:140.75:146:07Waning Crescent8Sun
9Mon8:228.28:419.12:020.12:170.65:156:05Waning Crescent9Mon
10Tue9:168.49:349.12:580.03:130.35:166:03Waning Crescent10Tue
11Wed10:058.610:229.13:47-0.14:030.15:176:01New Moon11Wed
12Thu10:488.811:069.04:32-0.14:490.05:185:59New Moon12Thu
13Fri11:288.811:478.95:120.05:310.05:195:58New Moon13Fri
14Sat12:058.85:500.26:110.15:205:56New Moon14Sat
15Sun12:268.612:418.76:260.46:500.25:215:54Waxing Crescent15Sun
16Mon1:058.31:178.67:030.67:300.45:225:52Waxing Crescent16Mon
17Tue1:448.01:558.57:400.98:110.75:245:50Waxing Crescent17Tue
18Wed2:267.72:368.38:201.28:550.95:255:49Waxing Crescent18Wed
19Thu3:117.43:228.19:041.49:431.15:265:47First Quarter19Thu
20Fri4:007.24:118.09:521.610:351.25:275:45First Quarter20Fri
21Sat4:537.15:057.910:451.711:301.35:285:43First Quarter21Sat
22Sun5:497.16:028.011:411.75:295:41First Quarter22Sun
23Mon6:457.36:598.212:261.112:391.55:305:40Waxing Gibbous23Mon
24Tue7:407.67:558.51:200.91:361.15:315:38Waxing Gibbous24Tue
25Wed8:298.18:468.92:120.52:290.65:325:36Waxing Gibbous25Wed
26Thu9:158.79:369.22:590.13:190.05:345:34Full Moon26Thu
27Fri10:009.310:249.53:45-0.34:08-0.65:355:32Full Moon27Fri
28Sat10:469.711:139.64:30-0.64:57-1.05:365:31Full Moon28Sat
29Sun11:3210.15:16-0.85:46-1.35:375:29Full Moon29Sun
30Mon12:039.612:2010.36:04-0.86:37-1.35:385:27Waning Gibbous30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8419870)

Common Questions About Seavey Island, NH Tides

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Is this week a spring tide or neap tide in Seavey Island, NH?

Seavey Island, NH is currently in a neap phase. Tonight's moon is 46% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly minimum.

What datum are Seavey Island, NH tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Seavey Island, NH?

Tide predictions for Seavey Island, NH come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Seavey Island, NH?

Tide data for Seavey Island, NH is sourced from NOAA Station #8419870. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8419870.

What is the moon phase in Seavey Island, NH tonight?

Tonight the moon over Seavey Island, NH is Third Quarter (46% illuminated). This places Seavey Island, NH in a neap tide cycle, so tidal ranges are near their weekly minimum this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA