Tides Today & Tomorrow in Niantic, CT

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently falling in Niantic, CT.
Next low tide : in 2h 05m at 9:23 am (0.5 ft)
Next high tide : 3:22 pm (3.1 ft)
Sunset today : 7:43 pm
Sunrise tomorrow : 6:01 am
Moon phase : First Quarter (36% illuminated)
Tide Station Location : Station #8461925
Common Questions About Tides

Niantic, CT Tides - Apr 1947

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue6:382.76:592.512:310.21:140.05:326:12Waxing Gibbous1Tue
2Wed7:322.87:502.71:320.12:07-0.15:316:13Waxing Gibbous2Wed
3Thu8:212.88:382.82:29-0.12:56-0.15:296:15Waxing Gibbous3Thu
4Fri9:072.89:233.03:21-0.13:41-0.15:276:16Full Moon4Fri
5Sat9:512.710:073.14:09-0.24:23-0.15:266:17Full Moon5Sat
6Sun10:342.610:503.14:54-0.25:030.05:246:18Full Moon6Sun
7Mon11:192.511:333.05:39-0.15:440.25:226:19Waning Gibbous7Mon
8Tue12:052.46:250.06:260.45:216:20Waning Gibbous8Tue
9Wed12:192.912:552.37:130.17:130.55:196:21Waning Gibbous9Wed
10Thu1:082.81:472.28:020.28:040.65:176:22Waning Gibbous10Thu
11Fri2:002.62:392.18:530.38:580.75:166:23Third Quarter11Fri
12Sat2:562.53:362.19:460.49:560.75:146:24Third Quarter12Sat
13Sun3:572.44:372.110:390.510:540.75:136:25Third Quarter13Sun
14Mon5:012.45:362.211:320.511:490.65:116:26Third Quarter14Mon
15Tue5:582.46:262.312:200.45:096:27Waning Crescent15Tue
16Wed6:472.57:102.512:400.51:050.45:086:29Waning Crescent16Wed
17Thu7:292.67:502.71:280.41:470.35:066:30Waning Crescent17Thu
18Fri8:092.68:292.92:140.22:280.25:056:31Waning Crescent18Fri
19Sat8:492.79:063.03:000.13:080.15:036:32New Moon19Sat
20Sun9:282.79:433.23:44-0.13:470.15:026:33New Moon20Sun
21Mon10:082.710:223.34:29-0.24:280.15:006:34New Moon21Mon
22Tue10:512.611:053.45:15-0.25:100.14:596:35New Moon22Tue
23Wed11:382.611:543.36:04-0.25:580.24:576:36Waxing Crescent23Wed
24Thu12:312.56:58-0.26:530.24:566:37Waxing Crescent24Thu
25Fri12:503.21:282.47:56-0.17:550.34:546:38Waxing Crescent25Fri
26Sat1:523.12:282.48:550.09:010.44:536:39First Quarter26Sat
27Sun3:572.94:342.410:550.111:090.45:527:40First Quarter27Sun
28Mon5:082.85:442.511:560.15:507:41First Quarter28Mon
29Tue6:192.76:502.612:170.412:550.15:497:42First Quarter29Tue
30Wed7:212.77:452.81:210.31:500.15:477:44Waxing Gibbous30Wed
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 12:22 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 Niantic, CT?

Niantic, CT is currently in a transitional phase. Tonight's moon is 36% 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 (36% 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