43.0785’ N, 70.7253’ W

Seavey Island, NH

75°
H -°
L 64°
SSE
12mph
Low tide
4:52 pm

Tides Today & Tomorrow in Seavey Island, NH

TIDE TIMES for Wednesday, August 26, 2026
The tide is currently falling in Seavey Island, NH.
Next low tide : in 4m at 4:52 pm (1.2 ft)
Next high tide : 11:08 pm (8.7 ft)
Sunset today : 7:28 pm
Sunrise tomorrow : 6:01 am
Moon phase : Full Moon (98% illuminated)
Tide Station Location : Station #8419870
Common Questions About Tides

Seavey Island, NH Tides - Mar 1925

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun3:528.34:237.610:100.410:241.06:195:31First Quarter1Sun
2Mon4:438.05:187.211:050.811:161.36:175:32First Quarter2Mon
3Tue5:367.86:167.012:021.06:165:34First Quarter3Tue
4Wed6:327.77:146.912:121.51:011.16:145:35Waxing Gibbous4Wed
5Thu7:287.78:097.01:091.61:571.06:125:36Waxing Gibbous5Thu
6Fri8:217.98:587.32:031.52:460.76:105:37Waxing Gibbous6Fri
7Sat9:088.29:427.52:521.23:290.56:095:38Waxing Gibbous7Sat
8Sun9:518.410:217.83:350.94:080.36:075:40Full Moon8Sun
9Mon10:318.610:588.14:160.64:450.16:055:41Full Moon9Mon
10Tue11:108.811:348.34:550.35:20-0.16:045:42Full Moon10Tue
11Wed11:498.85:330.05:56-0.26:025:43Full Moon11Wed
12Thu12:108.612:298.86:13-0.26:33-0.26:005:45Waning Gibbous12Thu
13Fri12:488.81:108.76:55-0.37:13-0.25:585:46Waning Gibbous13Fri
14Sat1:288.91:548.57:39-0.47:560.05:575:47Waning Gibbous14Sat
15Sun2:128.92:448.38:28-0.38:450.25:555:48Waning Gibbous15Sun
16Mon3:028.93:398.09:23-0.29:390.45:535:49Third Quarter16Mon
17Tue3:588.84:417.810:230.010:400.65:515:51Third Quarter17Tue
18Wed5:008.75:497.711:290.111:470.75:505:52Third Quarter18Wed
19Thu6:098.77:007.812:370.05:485:53Waning Crescent19Thu
20Fri7:208.98:078.112:560.61:45-0.25:465:54Waning Crescent20Fri
21Sat8:269.29:078.62:040.32:46-0.65:445:55Waning Crescent21Sat
22Sun9:269.510:019.03:05-0.23:41-0.95:425:56Waning Crescent22Sun
23Mon10:209.710:509.34:00-0.64:32-1.05:415:58New Moon23Mon
24Tue11:109.711:369.44:52-0.95:19-1.05:395:59New Moon24Tue
25Wed11:589.65:40-1.06:03-0.85:376:00New Moon25Wed
26Thu12:209.412:449.36:26-0.96:46-0.55:356:01Waxing Crescent26Thu
27Fri1:029.31:288.97:11-0.77:28-0.15:346:02Waxing Crescent27Fri
28Sat1:439.02:128.47:56-0.38:100.45:326:03Waxing Crescent28Sat
29Sun2:258.72:578.08:420.18:540.95:306:05Waxing Crescent29Sun
30Mon3:088.33:457.69:300.59:411.35:286:06First Quarter30Mon
31Tue3:558.04:367.210:200.810:311.65:266:07First Quarter31Tue
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 spring phase. Tonight's moon is 98% 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 maximum.

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 Full Moon (98% illuminated). This places Seavey Island, NH in a spring tide cycle, so tidal ranges are near their weekly maximum 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