Tides Today & Tomorrow in New London, CT

TIDE TIMES for Sunday, August 23, 2026
The tide is currently rising in New London, CT.
Next low tide : 1:00 pm (0.9 ft)
Next high tide : in 5h 46m at 6:52 am (2.3 ft)
Sunset today : 7:36 pm
Sunrise tomorrow : 6:05 am
Moon phase : Waxing Gibbous (81% illuminated)
Tide Station Location : Station #8461490
Common Questions About Tides

New London, CT Tides - Aug 1934

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed2:282.63:093.28:580.39:560.45:428:06Third Quarter1Wed
2Thu3:262.44:093.19:540.510:580.55:438:05Third Quarter2Thu
3Fri4:302.25:123.010:530.711:580.55:448:04Third Quarter3Fri
4Sat5:362.26:123.011:530.85:458:03Waning Crescent4Sat
5Sun6:342.27:053.012:540.512:510.85:468:01Waning Crescent5Sun
6Mon7:232.37:513.01:460.51:440.85:478:00Waning Crescent6Mon
7Tue8:082.48:353.02:320.52:320.85:487:59Waning Crescent7Tue
8Wed8:522.59:163.03:140.43:150.75:497:58New Moon8Wed
9Thu9:342.69:553.03:500.43:540.65:507:56New Moon9Thu
10Fri10:162.710:323.04:250.34:310.65:517:55New Moon10Fri
11Sat10:562.811:092.94:580.35:080.65:527:54New Moon11Sat
12Sun11:372.911:472.85:310.35:480.65:537:52Waxing Crescent12Sun
13Mon12:172.96:060.46:310.65:547:51Waxing Crescent13Mon
14Tue12:252.712:563.06:430.47:190.65:557:50Waxing Crescent14Tue
15Wed1:042.51:353.07:230.68:110.65:567:48Waxing Crescent15Wed
16Thu1:462.42:163.08:070.69:050.65:577:47First Quarter16Thu
17Fri2:312.33:013.08:550.710:010.65:587:45First Quarter17Fri
18Sat3:252.23:593.19:490.811:000.55:597:44First Quarter18Sat
19Sun4:322.25:073.110:500.76:007:43First Quarter19Sun
20Mon5:412.36:113.312:000.411:54 AM0.66:017:41Waxing Gibbous20Mon
21Tue6:402.47:073.412:570.312:550.56:027:40Waxing Gibbous21Tue
22Wed7:342.68:003.51:520.21:560.36:037:38Waxing Gibbous22Wed
23Thu8:262.98:513.52:450.02:540.16:047:37Full Moon23Thu
24Fri9:193.19:413.53:34-0.13:500.06:057:35Full Moon24Fri
25Sat10:103.310:313.44:20-0.24:43-0.16:067:33Full Moon25Sat
26Sun11:013.411:203.25:06-0.25:36-0.16:077:32Waning Gibbous26Sun
27Mon11:523.55:520.06:310.06:087:30Waning Gibbous27Mon
28Tue12:122.912:463.46:400.17:290.26:107:29Waning Gibbous28Tue
29Wed1:062.71:403.37:320.48:280.36:117:27Waning Gibbous29Wed
30Thu2:022.52:363.28:280.69:280.46:127:26Third Quarter30Thu
31Fri2:592.33:353.09:260.810:270.66:137:24Third Quarter31Fri
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 9:56 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 81% 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 Gibbous (81% 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