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

TIDE TIMES for Wednesday, July 1, 2026
The tide is currently falling in Squamscott River, Great Bay, NH.
Next low tide : in 6h 01m at 9:35 pm (1.1 ft)
Next high tide (tomorrow) : 3:26 am (7.3 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:08 am
Moon phase : Full Moon (97% illuminated)
Tide Station Location : Station #8422687
Common Questions About Tides

Squamscott River, Great Bay, NH Tides - May 2050

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun10:126.310:446.54:241.34:481.05:367:44Waxing Gibbous1Sun
2Mon11:056.411:306.85:191.15:360.95:357:46Waxing Gibbous2Mon
3Tue11:546.56:070.86:180.85:337:47Waxing Gibbous3Tue
4Wed12:117.012:386.66:490.56:570.75:327:48Waxing Gibbous4Wed
5Thu12:507.21:196.77:290.27:340.65:317:49Full Moon5Thu
6Fri1:277.41:596.88:070.08:110.55:297:50Full Moon6Fri
7Sat2:037.62:396.98:45-0.28:500.55:287:51Full Moon7Sat
8Sun2:417.83:186.99:24-0.39:310.45:277:52Full Moon8Sun
9Mon3:217.94:006.910:06-0.410:140.45:267:53Waning Gibbous9Mon
10Tue4:037.94:446.910:50-0.411:000.45:257:55Waning Gibbous10Tue
11Wed4:497.85:336.911:38-0.411:520.55:247:56Waning Gibbous11Wed
12Thu5:417.76:287.012:30-0.35:227:57Third Quarter12Thu
13Fri6:397.67:267.012:480.51:26-0.25:217:58Third Quarter13Fri
14Sat7:417.48:267.21:500.52:24-0.15:207:59Third Quarter14Sat
15Sun8:477.39:287.42:540.43:250.05:198:00Third Quarter15Sun
16Mon9:537.210:287.74:010.24:260.05:188:01Waning Crescent16Mon
17Tue10:587.311:258.05:07-0.15:26-0.15:178:02Waning Crescent17Tue
18Wed11:587.46:07-0.46:22-0.15:168:03Waning Crescent18Wed
19Thu12:188.212:547.47:02-0.77:13-0.15:158:04New Moon19Thu
20Fri1:088.31:467.47:54-0.88:030.05:148:05New Moon20Fri
21Sat1:578.32:377.48:44-0.98:510.15:148:06New Moon21Sat
22Sun2:448.23:257.39:31-0.89:380.35:138:07New Moon22Sun
23Mon3:308.04:117.110:17-0.610:240.55:128:08Waxing Crescent23Mon
24Tue4:157.84:576.911:02-0.311:110.75:118:09Waxing Crescent24Tue
25Wed5:017.55:446.711:480.011:591.05:108:10Waxing Crescent25Wed
26Thu5:497.16:336.612:340.35:108:11First Quarter26Thu
27Fri6:396.87:226.512:501.21:220.65:098:12First Quarter27Fri
28Sat7:316.58:126.51:421.32:100.85:088:13First Quarter28Sat
29Sun8:256.39:016.52:371.32:581.05:088:13First Quarter29Sun
30Mon9:206.29:516.63:321.33:481.15:078:14First Quarter30Mon
31Tue10:166.210:396.84:291.24:381.15:078:15Waxing Gibbous31Tue
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 12:30 am — 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 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