Tides Today & Tomorrow in Seavey Island, NH

TIDE TIMES for Wednesday, June 24, 2026
The tide is currently rising in Seavey Island, NH.
Next low tide : 2:06 pm (1.1 ft)
Next high tide : in 1h 29m at 8:09 am (7.6 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:04 am
Moon phase : Waxing Gibbous (76% illuminated)
Tide Station Location : Station #8419870
Common Questions About Tides

Seavey Island, NH Tides - Oct 2014

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed4:507.85:058.710:470.911:310.46:406:24First Quarter1Wed
2Thu5:507.86:088.711:480.96:416:22First Quarter2Thu
3Fri6:548.07:148.912:330.312:540.86:426:21Waxing Gibbous3Fri
4Sat7:598.38:209.11:370.12:010.46:436:19Waxing Gibbous4Sat
5Sun9:008.89:249.42:40-0.23:05-0.16:446:17Waxing Gibbous5Sun
6Mon9:579.310:229.73:38-0.54:04-0.66:466:15Waxing Gibbous6Mon
7Tue10:509.811:179.84:32-0.84:59-1.06:476:14Full Moon7Tue
8Wed11:4110.15:23-1.05:52-1.36:486:12Full Moon8Wed
9Thu12:109.812:3010.26:12-1.06:43-1.46:496:10Full Moon9Thu
10Fri1:019.71:1910.17:01-0.77:34-1.26:506:08Waning Gibbous10Fri
11Sat1:529.32:079.97:49-0.48:24-0.96:516:07Waning Gibbous11Sat
12Sun2:428.92:569.58:380.19:15-0.46:536:05Waning Gibbous12Sun
13Mon3:348.53:479.19:280.510:080.06:546:03Waning Gibbous13Mon
14Tue4:278.14:398.610:211.011:030.56:556:02Third Quarter14Tue
15Wed5:217.75:348.311:161.311:580.86:566:00Third Quarter15Wed
16Thu6:167.56:308.012:141.56:575:59Third Quarter16Thu
17Fri7:117.57:267.912:541.01:111.66:595:57Third Quarter17Fri
18Sat8:057.68:217.91:481.12:071.57:005:55Waning Crescent18Sat
19Sun8:547.89:128.02:381.12:591.27:015:54Waning Crescent19Sun
20Mon9:388.09:588.13:241.03:460.97:025:52Waning Crescent20Mon
21Tue10:198.310:408.24:040.84:280.67:035:51Waning Crescent21Tue
22Wed10:568.611:218.34:420.75:080.37:055:49New Moon22Wed
23Thu11:338.85:190.65:460.17:065:48New Moon23Thu
24Fri12:008.312:099.05:550.56:24-0.17:075:46New Moon24Fri
25Sat12:398.312:469.16:320.57:04-0.27:085:45New Moon25Sat
26Sun1:208.31:269.27:120.57:45-0.27:105:43Waxing Crescent26Sun
27Mon2:028.22:099.27:540.58:31-0.27:115:42Waxing Crescent27Mon
28Tue2:488.12:579.18:410.69:20-0.17:125:40Waxing Crescent28Tue
29Wed3:398.13:509.09:340.710:140.07:135:39First Quarter29Wed
30Thu4:368.04:498.810:320.811:130.17:155:37First Quarter30Thu
31Fri5:368.15:538.711:360.87:165:36First Quarter31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8419870)

Common Questions About Seavey Island, NH Tides

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What time does the tide turn (slack tide) in Seavey Island, NH today?

Slack tide in Seavey Island, NH is approximately 11:07 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

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

Seavey Island, NH is currently in a transitional phase. Tonight's moon is 76% 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 shifting between spring and neap.

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 Waxing Gibbous (76% illuminated). This places Seavey Island, NH in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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