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

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently falling in Squamscott River, Great Bay, NH.
Next low tide : in 4h 42m at 1:28 pm (0.4 ft)
Next high tide : 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 - Mar 2009

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun3:387.54:056.910:17-0.310:300.16:185:32Waxing Crescent1Sun
2Mon4:207.54:546.611:05-0.211:180.36:175:34First Quarter2Mon
3Tue5:107.45:506.411:590.06:155:35First Quarter3Tue
4Wed6:077.36:546.112:120.61:000.16:135:36First Quarter4Wed
5Thu7:127.28:046.11:130.82:080.26:125:37First Quarter5Thu
6Fri8:237.29:186.22:210.83:200.26:105:39Waxing Gibbous6Fri
7Sat9:367.410:246.63:340.74:29-0.16:085:40Waxing Gibbous7Sat
8Sun11:417.65:430.36:28-0.47:076:41Waxing Gibbous8Sun
9Mon12:217.012:397.96:43-0.17:21-0.77:056:42Full Moon9Mon
10Tue1:137.41:328.07:38-0.58:09-0.87:036:44Full Moon10Tue
11Wed2:017.82:228.08:29-0.78:54-0.87:016:45Full Moon11Wed
12Thu2:457.93:097.99:17-0.89:37-0.67:006:46Full Moon12Thu
13Fri3:288.03:557.610:03-0.810:19-0.36:586:47Waning Gibbous13Fri
14Sat4:097.84:407.210:48-0.611:000.16:566:48Waning Gibbous14Sat
15Sun4:517.55:266.711:33-0.211:440.56:546:50Waning Gibbous15Sun
16Mon5:357.26:156.312:210.26:536:51Waning Gibbous16Mon
17Tue6:236.87:085.912:300.91:130.56:516:52Third Quarter17Tue
18Wed7:176.58:065.71:211.32:090.96:496:53Third Quarter18Wed
19Thu8:156.39:075.62:171.53:101.16:476:54Third Quarter19Thu
20Fri9:176.210:085.63:191.64:141.16:466:55Third Quarter20Fri
21Sat10:196.311:035.84:231.65:121.06:446:57Waning Crescent21Sat
22Sun11:146.511:506.15:211.46:000.86:426:58Waning Crescent22Sun
23Mon12:016.76:111.06:400.56:406:59Waning Crescent23Mon
24Tue12:316.512:446.96:530.77:170.36:387:00Waning Crescent24Tue
25Wed1:086.91:247.17:330.37:520.16:377:01New Moon25Wed
26Thu1:437.22:037.28:12-0.18:270.06:357:03New Moon26Thu
27Fri2:187.52:427.38:51-0.39:03-0.16:337:04New Moon27Fri
28Sat2:547.73:227.39:31-0.69:42-0.16:317:05Waxing Crescent28Sat
29Sun3:327.94:047.210:13-0.610:240.06:307:06Waxing Crescent29Sun
30Mon4:137.94:507.010:59-0.611:100.26:287:07Waxing Crescent30Mon
31Tue5:007.85:426.711:50-0.46:267:08Waxing Crescent31Tue
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 4:26 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 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