Tides Today & Tomorrow in Niantic, CT

TIDE TIMES for Friday, August 21, 2026
The tide is currently rising in Niantic, CT.
Next low tide : 12:08 pm (0.9 ft)
Next high tide : in 1h 10m at 5:52 am (2.1 ft)
Sunset today : 7:39 pm
Sunrise tomorrow : 6:04 am
Moon phase : First Quarter (65% illuminated)
Tide Station Location : Station #8461925
Common Questions About Tides

Niantic, CT Tides - Nov 1940

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri10:393.711:072.94:47-0.15:32-0.36:204:44Waxing Crescent1Fri
2Sat11:323.65:380.06:25-0.26:214:43Waxing Crescent2Sat
3Sun12:022.812:283.46:340.17:22-0.16:224:42Waxing Crescent3Sun
4Mon1:012.71:263.27:340.38:200.16:234:40Waxing Crescent4Mon
5Tue2:012.62:252.98:360.49:170.26:254:39First Quarter5Tue
6Wed3:022.53:242.79:390.510:140.36:264:38First Quarter6Wed
7Thu4:052.54:262.610:420.511:100.36:274:37First Quarter7Thu
8Fri5:072.65:262.511:430.56:284:36First Quarter8Fri
9Sat6:022.76:192.412:010.412:380.56:294:35Waxing Gibbous9Sat
10Sun6:492.87:052.412:480.41:280.46:314:34Waxing Gibbous10Sun
11Mon7:322.97:482.41:310.42:130.36:324:33Waxing Gibbous11Mon
12Tue8:123.08:292.42:120.42:550.36:334:32Waxing Gibbous12Tue
13Wed8:523.09:112.52:500.43:330.26:344:31Full Moon13Wed
14Thu9:323.19:522.53:270.44:110.16:364:30Full Moon14Thu
15Fri10:103.110:322.54:030.44:480.16:374:29Full Moon15Fri
16Sat10:483.011:142.44:400.45:270.16:384:28Full Moon16Sat
17Sun11:263.011:572.45:190.46:100.16:394:28Waning Gibbous17Sun
18Mon12:062.96:020.46:560.16:404:27Waning Gibbous18Mon
19Tue12:432.412:502.86:510.57:460.16:414:26Waning Gibbous19Tue
20Wed1:322.31:372.87:470.58:380.16:434:25Waning Gibbous20Wed
21Thu2:232.42:282.78:460.59:300.16:444:25Third Quarter21Thu
22Fri3:172.53:262.69:470.410:230.16:454:24Third Quarter22Fri
23Sat4:172.64:312.610:490.311:160.06:464:23Third Quarter23Sat
24Sun5:172.85:342.611:500.26:474:23Waning Crescent24Sun
25Mon6:113.06:312.612:100.012:490.06:484:22Waning Crescent25Mon
26Tue7:023.37:232.61:02-0.11:47-0.16:504:22Waning Crescent26Tue
27Wed7:513.48:142.71:55-0.22:42-0.36:514:21Waning Crescent27Wed
28Thu8:413.69:052.72:47-0.23:34-0.46:524:21New Moon28Thu
29Fri9:313.69:562.73:39-0.24:25-0.46:534:21New Moon29Fri
30Sat10:203.510:482.64:29-0.25:14-0.46:544:20New Moon30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8461925)

Common Questions About Niantic, CT Tides

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What time does the tide turn (slack tide) in Niantic, CT today?

Slack tide in Niantic, CT is approximately 9:00 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 Niantic, CT?

Niantic, CT is currently in a transitional phase. Tonight's moon is 65% 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 shifting between spring and neap.

What datum are Niantic, CT 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 Niantic, CT?

Tide predictions for Niantic, CT 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 Niantic, CT?

Tide data for Niantic, CT is sourced from NOAA Station #8461925. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8461925.

What is the moon phase in Niantic, CT tonight?

Tonight the moon over Niantic, CT is First Quarter (65% illuminated). This places Niantic, CT in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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