Tides Today & Tomorrow in New London, CT

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently falling in New London, CT.
Next low tide : in 4h 15m at 9:08 pm (0.5 ft)
Next high tide (tomorrow) : 2:29 am (2.5 ft)
Sunset today : 8:02 pm
Sunrise tomorrow : 5:46 am
Moon phase : Third Quarter (66% illuminated)
Tide Station Location : Station #8461490
Common Questions About Tides

New London, CT Tides - Sep 2093

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue6:172.66:443.412:310.212:360.46:157:20Waxing Gibbous1Tue
2Wed7:122.77:383.51:270.11:360.36:167:18Waxing Gibbous2Wed
3Thu8:052.98:303.52:210.02:340.16:177:17Waxing Gibbous3Thu
4Fri8:573.19:203.53:13-0.13:290.06:187:15Full Moon4Fri
5Sat9:483.210:103.44:02-0.24:22-0.16:197:13Full Moon5Sat
6Sun10:383.310:593.34:48-0.15:13-0.16:207:12Full Moon6Sun
7Mon11:283.411:493.15:340.06:050.06:217:10Waning Gibbous7Mon
8Tue12:193.36:210.17:000.26:227:08Waning Gibbous8Tue
9Wed12:412.91:123.37:110.47:570.36:237:06Waning Gibbous9Wed
10Thu1:352.72:063.28:030.68:540.46:247:05Third Quarter10Thu
11Fri2:302.53:013.08:580.89:510.56:257:03Third Quarter11Fri
12Sat3:272.44:002.99:540.910:490.66:267:01Third Quarter12Sat
13Sun4:292.35:022.810:521.011:440.66:277:00Third Quarter13Sun
14Mon5:312.36:012.811:501.06:286:58Third Quarter14Mon
15Tue6:252.46:532.812:350.612:430.96:296:56Waning Crescent15Tue
16Wed7:132.67:382.91:220.61:310.86:306:54Waning Crescent16Wed
17Thu7:572.78:212.92:050.62:160.76:316:53Waning Crescent17Thu
18Fri8:392.89:013.02:450.52:570.66:326:51Waning Crescent18Fri
19Sat9:202.99:393.03:220.43:370.56:336:49New Moon19Sat
20Sun9:593.110:163.03:580.34:170.46:346:48New Moon20Sun
21Mon10:363.110:522.94:340.34:570.36:356:46New Moon21Mon
22Tue11:133.211:292.85:100.35:400.36:366:44Waxing Crescent22Tue
23Wed11:523.25:490.36:270.36:376:42Waxing Crescent23Wed
24Thu12:102.712:343.26:330.47:190.36:386:41Waxing Crescent24Thu
25Fri12:572.61:213.27:220.58:150.36:396:39Waxing Crescent25Fri
26Sat1:492.62:143.28:170.69:130.36:406:37First Quarter26Sat
27Sun2:462.53:133.29:160.610:120.36:426:36First Quarter27Sun
28Mon3:512.54:213.110:190.611:130.36:436:34First Quarter28Mon
29Tue5:012.55:293.211:240.66:446:32First Quarter29Tue
30Wed6:052.76:303.212:120.212:260.46:456:30Waxing 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 11:48 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 transitional phase. Tonight's moon is 66% 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 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 Third Quarter (66% illuminated). This places New London, 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