43.0533’ N, 70.9133’ W

Squamscott River, Great Bay, NH

53°
H 54°
L 31°
NNW
2mph
High tide
2:27 pm

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

TIDE TIMES for Tuesday, October 27, 2026
The tide is currently rising in Squamscott River, Great Bay, NH.
Next low tide : 9:13 pm (-0.9 ft)
Next high tide : in 2h 09m at 2:27 pm (8.3 ft)
Sunset today : 5:42 pm
Sunrise tomorrow : 7:12 am
Moon phase : Full Moon (97% illuminated)
Tide Station Location : Station #8422687
Common Questions About Tides

Squamscott River, Great Bay, NH Tides - Oct 1874

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu5:107.15:247.811:280.45:445:29Third Quarter1Thu
2Fri6:146.76:297.412:16-0.212:300.85:465:27Third Quarter2Fri
3Sat7:226.47:387.21:230.11:381.05:475:25Third Quarter3Sat
4Sun8:306.38:477.02:330.42:481.15:485:24Waning Crescent4Sun
5Mon9:356.49:517.13:400.53:561.15:495:22Waning Crescent5Mon
6Tue10:316.610:467.14:400.44:550.95:505:20Waning Crescent6Tue
7Wed11:196.811:347.25:290.35:450.75:515:19Waning Crescent7Wed
8Thu12:017.06:120.36:290.55:535:17New Moon8Thu
9Fri12:177.112:387.16:500.37:080.35:545:15New Moon9Fri
10Sat12:577.11:127.27:240.47:450.35:555:13New Moon10Sat
11Sun1:347.01:457.27:560.68:200.35:565:12New Moon11Sun
12Mon2:106.82:167.28:270.78:530.35:575:10Waxing Crescent12Mon
13Tue2:456.62:477.18:590.99:280.45:585:08Waxing Crescent13Tue
14Wed3:216.43:217.09:341.110:050.56:005:07Waxing Crescent14Wed
15Thu3:596.23:596.910:111.310:470.76:015:05Waxing Crescent15Thu
16Fri4:416.04:426.710:541.411:340.86:025:03First Quarter16Fri
17Sat5:305.85:346.611:421.66:035:02First Quarter17Sat
18Sun6:255.76:316.612:280.912:371.66:045:00First Quarter18Sun
19Mon7:245.87:336.71:250.91:371.56:064:59First Quarter19Mon
20Tue8:256.18:377.02:250.82:411.26:074:57Waxing Gibbous20Tue
21Wed9:236.59:387.33:250.53:440.86:084:55Waxing Gibbous21Wed
22Thu10:167.110:357.64:210.14:430.26:094:54Waxing Gibbous22Thu
23Fri11:057.711:297.95:11-0.35:37-0.46:114:52Waxing Gibbous23Fri
24Sat11:528.26:00-0.66:29-0.96:124:51Full Moon24Sat
25Sun12:218.112:408.66:48-0.77:20-1.36:134:49Full Moon25Sun
26Mon1:138.11:288.87:36-0.78:12-1.46:144:48Full Moon26Mon
27Tue2:058.02:178.88:25-0.59:04-1.36:164:47Waning Gibbous27Tue
28Wed2:587.73:088.69:16-0.29:57-1.06:174:45Waning Gibbous28Wed
29Thu3:537.44:038.210:090.110:55-0.66:184:44Waning Gibbous29Thu
30Fri4:537.05:037.711:070.611:57-0.26:194:42Third Quarter30Fri
31Sat5:566.66:087.312:110.96:214:41Third Quarter31Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8422687)

Common Questions About Squamscott River, Great Bay, NH Tides

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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 97% 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 Full Moon (97% 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