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

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently rising in Squamscott River, Great Bay, NH.
Next low tide (tomorrow) : 2:01 am (0.6 ft)
Next high tide : in 2h 41m at 7:25 pm (7.1 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 5:12 am
Moon phase : Third Quarter (52% illuminated)
Tide Station Location : Station #8422687
Common Questions About Tides

Squamscott River, Great Bay, NH Tides - Jul 2008

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:146.96:23-0.56:290.25:088:26New Moon1Tue
2Wed12:268.41:137.07:21-0.87:270.15:098:26New Moon2Wed
3Thu1:248.62:117.28:18-0.98:240.05:098:26New Moon3Thu
4Fri2:218.63:067.39:13-1.09:200.05:108:26New Moon4Fri
5Sat3:168.64:007.410:05-1.010:150.05:108:25Waxing Crescent5Sat
6Sun4:108.34:527.410:56-0.811:100.15:118:25Waxing Crescent6Sun
7Mon5:038.05:447.311:47-0.55:128:25Waxing Crescent7Mon
8Tue5:587.56:367.312:070.312:37-0.15:128:24First Quarter8Tue
9Wed6:547.07:287.11:050.51:280.35:138:24First Quarter9Wed
10Thu7:516.68:197.02:030.72:190.75:148:23First Quarter10Thu
11Fri8:496.29:116.93:020.83:111.15:158:23First Quarter11Fri
12Sat9:486.010:056.94:020.94:051.35:158:22Waxing Gibbous12Sat
13Sun10:475.910:586.95:010.95:011.45:168:22Waxing Gibbous13Sun
14Mon11:415.911:477.05:550.85:521.55:178:21Waxing Gibbous14Mon
15Tue12:306.06:440.76:391.45:188:20Waxing Gibbous15Tue
16Wed12:337.11:156.17:280.57:221.35:198:20Full Moon16Wed
17Thu1:157.21:576.28:080.48:021.15:208:19Full Moon17Thu
18Fri1:567.32:366.38:450.28:411.05:218:18Full Moon18Fri
19Sat2:347.43:136.59:210.19:190.95:228:17Full Moon19Sat
20Sun3:117.53:486.69:550.09:580.85:228:17Waning Gibbous20Sun
21Mon3:487.54:236.810:290.010:380.65:238:16Waning Gibbous21Mon
22Tue4:277.44:597.011:060.011:220.55:248:15Waning Gibbous22Tue
23Wed5:087.35:397.211:450.05:258:14Waning Gibbous23Wed
24Thu5:557.16:237.412:090.412:280.15:268:13Third Quarter24Thu
25Fri6:466.97:137.51:000.31:160.35:278:12Third Quarter25Fri
26Sat7:426.78:067.61:550.32:080.45:288:11Third Quarter26Sat
27Sun8:446.59:067.72:550.23:050.65:298:10Waning Crescent27Sun
28Mon9:516.410:107.84:000.24:090.65:308:09Waning Crescent28Mon
29Tue11:006.511:158.05:080.05:140.65:318:08Waning Crescent29Tue
30Wed12:036.76:12-0.36:170.45:328:07Waning Crescent30Wed
31Thu12:178.21:026.97:11-0.57:160.25:338:06New Moon31Thu
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 10:43 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 neap phase. Tonight's moon is 52% 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 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 Third Quarter (52% illuminated). This places Squamscott River, Great Bay, 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