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

TIDE TIMES for Sunday, July 26, 2026
The tide is currently falling in Squamscott River, Great Bay, NH.
Next low tide : in 3h 55m at 6:29 pm (1.4 ft)
Next high tide (tomorrow) : 12:23 am (7.0 ft)
Sunset today : 8:11 pm
Sunrise tomorrow : 5:28 am
Moon phase : Waxing Gibbous (92% illuminated)
Tide Station Location : Station #8422687
Common Questions About Tides

Squamscott River, Great Bay, NH Tides - Feb 2083

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon12:096.212:127.36:170.86:58-0.16:584:56Full Moon1Mon
2Tue12:496.512:537.66:580.57:36-0.46:564:57Full Moon2Tue
3Wed1:276.81:337.87:400.18:13-0.66:554:58Full Moon3Wed
4Thu2:047.12:147.88:22-0.18:51-0.76:545:00Waning Gibbous4Thu
5Fri2:427.42:567.89:05-0.39:31-0.76:535:01Waning Gibbous5Fri
6Sat3:227.63:407.69:51-0.410:13-0.66:525:02Waning Gibbous6Sat
7Sun4:057.74:297.310:40-0.411:00-0.36:515:04Waning Gibbous7Sun
8Mon4:537.75:246.911:34-0.311:510.06:495:05Third Quarter8Mon
9Tue5:477.66:256.612:33-0.16:485:06Third Quarter9Tue
10Wed6:467.47:326.212:470.31:380.06:475:08Third Quarter10Wed
11Thu7:527.38:456.11:500.62:490.16:455:09Waning Crescent11Thu
12Fri9:037.29:576.23:000.84:020.16:445:10Waning Crescent12Fri
13Sat10:127.411:006.44:120.75:07-0.16:435:12Waning Crescent13Sat
14Sun11:137.611:556.75:160.56:04-0.46:415:13Waning Crescent14Sun
15Mon12:077.76:120.26:54-0.56:405:14New Moon15Mon
16Tue12:457.012:577.87:030.07:39-0.66:385:16New Moon16Tue
17Wed1:307.11:427.77:50-0.18:20-0.56:375:17New Moon17Wed
18Thu2:117.22:257.68:34-0.28:58-0.36:355:18Waxing Crescent18Thu
19Fri2:497.33:057.39:16-0.19:35-0.16:345:20Waxing Crescent19Fri
20Sat3:257.23:456.99:560.010:110.36:325:21Waxing Crescent20Sat
21Sun4:027.04:266.510:370.310:490.66:315:22Waxing Crescent21Sun
22Mon4:416.85:116.211:210.511:300.96:295:24First Quarter22Mon
23Tue5:246.66:015.812:090.86:285:25First Quarter23Tue
24Wed6:126.46:555.512:151.31:011.06:265:26First Quarter24Wed
25Thu7:066.37:555.41:061.51:591.16:255:27First Quarter25Thu
26Fri8:056.28:585.42:031.63:021.16:235:29First Quarter26Fri
27Sat9:076.39:575.63:051.64:041.06:215:30Waxing Gibbous27Sat
28Sun10:056.610:475.94:051.44:560.66:205:31Waxing Gibbous28Sun
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 9:26 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 92% 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 (92% 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