Tides Today & Tomorrow in New London, CT

TIDE TIMES for Friday, July 17, 2026
The tide is currently falling in New London, CT.
Next low tide : in 6h 19m at 6:33 am (-0.1 ft)
Next high tide : 12:25 pm (3.0 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:29 am
Moon phase : Waxing Crescent (14% illuminated)
Tide Station Location : Station #8461490
Common Questions About Tides

New London, CT Tides - Apr 2070

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:582.62:322.28:330.38:430.76:307:13Waning Gibbous1Tue
2Wed2:502.53:252.29:230.49:350.76:287:14Third Quarter2Wed
3Thu3:452.44:222.110:150.410:310.76:267:15Third Quarter3Thu
4Fri4:452.45:202.211:070.411:260.66:257:17Third Quarter4Fri
5Sat5:422.46:112.311:580.46:237:18Third Quarter5Sat
6Sun6:322.56:572.512:190.512:450.36:227:19Waning Crescent6Sun
7Mon7:172.67:382.71:100.31:320.26:207:20Waning Crescent7Mon
8Tue7:592.78:193.02:000.12:180.16:187:21Waning Crescent8Tue
9Wed8:422.89:013.22:50-0.23:03-0.16:177:22New Moon9Wed
10Thu9:252.99:443.33:39-0.43:48-0.26:157:23New Moon10Thu
11Fri10:102.910:293.44:27-0.54:33-0.26:137:24New Moon11Fri
12Sat10:582.911:183.55:16-0.55:21-0.26:127:25New Moon12Sat
13Sun11:492.86:07-0.56:13-0.16:107:26Waxing Crescent13Sun
14Mon12:123.412:442.77:03-0.47:100.06:097:27Waxing Crescent14Mon
15Tue1:113.21:432.68:01-0.38:130.16:077:28Waxing Crescent15Tue
16Wed2:123.12:442.69:01-0.19:170.26:067:29First Quarter16Wed
17Thu3:162.93:492.610:010.010:230.36:047:31First Quarter17Thu
18Fri4:242.74:562.611:010.111:290.36:037:32First Quarter18Fri
19Sat5:332.66:002.711:590.16:017:33Waxing Gibbous19Sat
20Sun6:332.66:542.812:320.312:540.26:007:34Waxing Gibbous20Sun
21Mon7:242.67:412.91:290.21:450.25:587:35Waxing Gibbous21Mon
22Tue8:092.58:243.02:220.12:330.25:577:36Waxing Gibbous22Tue
23Wed8:522.59:063.13:100.13:170.35:557:37Full Moon23Wed
24Thu9:342.59:463.13:530.03:570.35:547:38Full Moon24Thu
25Fri10:152.510:273.14:320.04:340.45:527:39Full Moon25Fri
26Sat10:572.511:083.05:090.15:110.55:517:40Full Moon26Sat
27Sun11:412.511:513.05:480.15:490.65:507:41Waning Gibbous27Sun
28Mon12:272.56:280.26:310.75:487:42Waning Gibbous28Mon
29Tue12:372.81:162.47:120.37:180.85:477:44Waning Gibbous29Tue
30Wed1:252.72:052.47:590.38:090.85:467:45Waning Gibbous30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8461490)

Common Questions About New London, CT Tides

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

Slack tide in New London, CT is approximately 9:29 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 New London, CT?

New London, CT is currently in a spring phase. Tonight's moon is 14% 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 New London, 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 New London, CT?

Tide predictions for New London, 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 New London, CT?

Tide data for New London, CT is sourced from NOAA Station #8461490. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8461490.

What is the moon phase in New London, CT tonight?

Tonight the moon over New London, CT is Waxing Crescent (14% illuminated). This places New London, CT 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