Tides Today & Tomorrow in New London, CT

TIDE TIMES for Thursday, July 23, 2026
The tide is currently rising in New London, CT.
Next low tide (tomorrow) : 12:50 am (0.6 ft)
Next high tide : in 4h 27m at 5:59 pm (3.0 ft)
Sunset today : 8:14 pm
Sunrise tomorrow : 5:35 am
Moon phase : Waxing Gibbous (71% illuminated)
Tide Station Location : Station #8461490
Common Questions About Tides

New London, CT Tides - Jul 1975

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:352.44:162.89:510.710:460.85:188:25Third Quarter1Tue
2Wed4:312.35:092.910:360.811:380.75:188:25Third Quarter2Wed
3Thu5:282.26:002.911:240.85:198:25Third Quarter3Thu
4Fri6:212.26:473.012:290.612:130.85:208:25Waning Crescent4Fri
5Sat7:092.37:313.11:180.51:020.75:208:24Waning Crescent5Sat
6Sun7:532.48:133.22:060.31:530.65:218:24Waning Crescent6Sun
7Mon8:382.58:563.32:530.22:440.55:218:24New Moon7Mon
8Tue9:222.69:403.43:390.03:340.35:228:24New Moon8Tue
9Wed10:082.810:253.44:24-0.14:240.25:238:23New Moon9Wed
10Thu10:552.911:123.45:09-0.25:140.15:238:23New Moon10Thu
11Fri11:463.05:55-0.26:090.15:248:22Waxing Crescent11Fri
12Sat12:023.312:403.16:45-0.27:070.25:258:22Waxing Crescent12Sat
13Sun12:553.11:363.27:37-0.18:090.25:268:21Waxing Crescent13Sun
14Mon1:512.92:333.38:300.09:110.35:268:21First Quarter14Mon
15Tue2:482.73:313.39:250.110:140.35:278:20First Quarter15Tue
16Wed3:492.54:333.310:220.211:170.35:288:20First Quarter16Wed
17Thu4:562.45:353.311:210.35:298:19Waxing Gibbous17Thu
18Fri6:012.46:333.312:180.312:210.45:308:18Waxing Gibbous18Fri
19Sat6:582.47:253.31:150.31:180.45:308:18Waxing Gibbous19Sat
20Sun7:502.58:133.22:100.22:140.45:318:17Waxing Gibbous20Sun
21Mon8:392.58:593.23:000.23:060.45:328:16Full Moon21Mon
22Tue9:252.69:423.23:450.23:530.45:338:15Full Moon22Tue
23Wed10:092.710:253.14:260.24:360.45:348:15Full Moon23Wed
24Thu10:532.811:073.05:050.25:170.55:358:14Full Moon24Thu
25Fri11:372.811:502.95:420.35:590.55:368:13Waning Gibbous25Fri
26Sat12:232.86:200.36:440.65:378:12Waning Gibbous26Sat
27Sun12:352.81:102.97:000.47:320.75:388:11Waning Gibbous27Sun
28Mon1:212.61:572.97:400.68:220.75:398:10Waning Gibbous28Mon
29Tue2:082.52:442.88:220.79:120.75:408:09Third Quarter29Tue
30Wed2:562.43:322.89:050.710:040.75:418:08Third Quarter30Wed
31Thu3:482.34:252.89:520.810:570.75:418:07Third Quarter31Thu
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 9:24 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 71% 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 Waxing Gibbous (71% 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