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 5h 48m at 6:53 pm (0.3 ft)
Next high tide (tomorrow) : 12:46 am (3.1 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 - Aug 2070

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri5:022.55:443.311:290.45:448:05Waning Crescent1Fri
2Sat6:062.66:413.412:280.212:290.35:458:04Waning Crescent2Sat
3Sun7:042.77:353.51:250.11:280.25:468:03Waning Crescent3Sun
4Mon7:582.88:283.52:21-0.12:270.15:478:01Waning Crescent4Mon
5Tue8:513.09:193.53:13-0.23:230.05:488:00New Moon5Tue
6Wed9:433.110:093.54:03-0.24:160.05:497:59New Moon6Wed
7Thu10:343.210:583.34:50-0.25:070.05:507:58New Moon7Thu
8Fri11:253.211:473.15:36-0.15:580.15:517:56Waxing Crescent8Fri
9Sat12:163.26:230.06:520.35:527:55Waxing Crescent9Sat
10Sun12:382.91:093.27:120.27:470.45:537:54Waxing Crescent10Sun
11Mon1:302.72:013.18:030.48:430.55:547:52Waxing Crescent11Mon
12Tue2:222.62:533.08:530.69:390.65:557:51First Quarter12Tue
13Wed3:172.43:482.99:450.710:350.75:567:50First Quarter13Wed
14Thu4:152.34:472.910:380.811:300.75:577:48First Quarter14Thu
15Fri5:162.35:452.911:320.95:587:47First Quarter15Fri
16Sat6:132.36:372.912:220.712:240.95:597:45Waxing Gibbous16Sat
17Sun7:032.47:242.91:100.61:130.86:007:44Waxing Gibbous17Sun
18Mon7:492.58:083.01:550.61:590.76:017:43Waxing Gibbous18Mon
19Tue8:322.68:493.12:360.52:440.66:027:41Waxing Gibbous19Tue
20Wed9:142.89:293.13:160.33:260.56:037:40Full Moon20Wed
21Thu9:552.910:073.13:540.24:080.46:047:38Full Moon21Thu
22Fri10:343.010:453.14:310.24:500.36:057:37Full Moon22Fri
23Sat11:133.111:233.05:100.15:340.36:067:35Full Moon23Sat
24Sun11:543.15:500.26:230.36:077:33Waning Gibbous24Sun
25Mon12:052.912:383.26:340.27:160.36:087:32Waning Gibbous25Mon
26Tue12:512.81:263.27:230.38:120.36:097:30Waning Gibbous26Tue
27Wed1:432.72:193.28:160.49:100.36:107:29Third Quarter27Wed
28Thu2:382.63:173.29:130.410:100.36:117:27Third Quarter28Thu
29Fri3:402.64:223.210:130.511:110.36:127:26Third Quarter29Fri
30Sat4:482.55:293.211:160.56:137:24Waning Crescent30Sat
31Sun5:542.66:303.312:100.212:190.46:147:22Waning Crescent31Sun
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 9:49 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 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