Tides Today & Tomorrow in Squamscott River, Great Bay, NH

TIDE TIMES for Thursday, June 25, 2026
The tide is currently rising in Squamscott River, Great Bay, NH.
Next low tide : 5:23 pm (1.2 ft)
Next high tide : in 3h 54m at 11:06 am (6.2 ft)
Sunset today : 8:27 pm
Sunrise tomorrow : 5:05 am
Moon phase : Waxing Gibbous (84% illuminated)
Tide Station Location : Station #8422687
Common Questions About Tides

Squamscott River, Great Bay, NH Tides - Dec 2010

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed8:527.59:267.02:500.13:330.06:554:10Waning Crescent1Wed
2Thu9:507.810:287.03:510.14:36-0.36:564:09Waning Crescent2Thu
3Fri10:458.011:257.14:480.15:33-0.66:574:09Waning Crescent3Fri
4Sat11:368.25:420.16:26-0.86:584:09New Moon4Sat
5Sun12:187.212:268.36:330.17:16-0.96:594:09New Moon5Sun
6Mon1:097.11:158.27:220.18:04-0.87:004:08New Moon6Mon
7Tue1:577.12:028.08:100.28:51-0.67:014:08Waxing Crescent7Tue
8Wed2:446.92:487.88:560.49:35-0.47:024:08Waxing Crescent8Wed
9Thu3:296.83:337.59:420.610:20-0.17:034:08Waxing Crescent9Thu
10Fri4:146.64:197.110:290.811:050.27:044:08Waxing Crescent10Fri
11Sat5:016.55:076.811:181.011:500.57:054:08First Quarter11Sat
12Sun5:496.45:596.512:101.27:054:08First Quarter12Sun
13Mon6:386.46:526.212:370.81:041.27:064:09First Quarter13Mon
14Tue7:266.47:476.01:241.01:591.27:074:09First Quarter14Tue
15Wed8:166.48:445.92:131.12:561.27:084:09Waxing Gibbous15Wed
16Thu9:066.69:405.93:031.23:521.07:084:09Waxing Gibbous16Thu
17Fri9:546.810:326.03:541.24:430.77:094:10Waxing Gibbous17Fri
18Sat10:397.011:196.14:431.15:290.47:104:10Waxing Gibbous18Sat
19Sun11:237.35:280.96:120.17:104:10Full Moon19Sun
20Mon12:046.312:067.66:110.76:55-0.27:114:11Full Moon20Mon
21Tue12:476.512:497.86:550.57:38-0.47:114:11Full Moon21Tue
22Wed1:316.71:348.07:400.38:22-0.67:124:12Full Moon22Wed
23Thu2:156.92:208.18:270.19:06-0.87:124:12Waning Gibbous23Thu
24Fri3:007.13:078.09:150.09:53-0.87:134:13Waning Gibbous24Fri
25Sat3:477.23:587.910:070.010:42-0.77:134:14Waning Gibbous25Sat
26Sun4:387.34:537.611:020.011:34-0.57:134:14Third Quarter26Sun
27Mon5:327.45:537.312:020.17:144:15Third Quarter27Mon
28Tue6:307.46:576.912:29-0.21:050.17:144:16Third Quarter28Tue
29Wed7:297.58:036.71:260.02:110.17:144:16Third Quarter29Wed
30Thu8:307.59:126.62:270.33:190.07:144:17Waning Crescent30Thu
31Fri9:327.610:156.63:310.44:24-0.27:144:18Waning Crescent31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8422687)

Common Questions About Squamscott River, Great Bay, NH Tides

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What time does the tide turn (slack tide) in Squamscott River, Great Bay, NH today?

Slack tide in Squamscott River, Great Bay, NH is approximately 2:14 pm — 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 Squamscott River, Great Bay, NH?

Squamscott River, Great Bay, NH is currently in a spring phase. Tonight's moon is 84% 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 Squamscott River, Great Bay, 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 Squamscott River, Great Bay, NH?

Tide predictions for Squamscott River, Great Bay, 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 Squamscott River, Great Bay, NH?

Tide data for Squamscott River, Great Bay, NH is sourced from NOAA Station #8422687. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8422687.

What is the moon phase in Squamscott River, Great Bay, NH tonight?

Tonight the moon over Squamscott River, Great Bay, NH is Waxing Gibbous (84% illuminated). This places Squamscott River, Great Bay, 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