Tides Today & Tomorrow in New London, CT

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in New London, CT.
Next low tide : in 3h 30m at 10:25 pm (0.6 ft)
Next high tide (tomorrow) : 4:05 am (2.4 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 5:15 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8461490
Common Questions About Tides

New London, CT Tides - Aug 2017

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue5:282.25:552.911:450.85:438:05First Quarter1Tue
2Wed6:242.36:463.012:380.612:360.85:448:04Waxing Gibbous2Wed
3Thu7:132.37:323.01:270.61:240.85:458:03Waxing Gibbous3Thu
4Fri7:592.48:173.02:120.52:100.85:468:02Waxing Gibbous4Fri
5Sat8:432.58:593.12:530.42:540.75:478:00Waxing Gibbous5Sat
6Sun9:262.69:403.13:320.33:350.65:487:59Full Moon6Sun
7Mon10:082.710:193.14:090.34:150.55:497:58Full Moon7Mon
8Tue10:482.810:573.14:460.24:560.45:507:57Full Moon8Tue
9Wed11:292.811:363.15:240.25:390.45:517:55Full Moon9Wed
10Thu12:102.96:050.26:260.45:527:54Waning Gibbous10Thu
11Fri12:163.012:532.96:480.27:180.45:537:53Waning Gibbous11Fri
12Sat12:592.91:393.07:340.38:130.45:547:51Waning Gibbous12Sat
13Sun1:472.82:273.18:240.39:110.45:557:50Third Quarter13Sun
14Mon2:382.73:203.19:160.410:100.45:567:49Third Quarter14Mon
15Tue3:372.64:213.210:120.411:100.35:577:47Third Quarter15Tue
16Wed4:442.55:253.211:120.45:587:46Third Quarter16Wed
17Thu5:502.66:253.312:100.212:120.45:597:44Waning Crescent17Thu
18Fri6:492.77:203.41:080.11:120.36:007:43Waning Crescent18Fri
19Sat7:432.88:133.52:040.02:110.26:017:41Waning Crescent19Sat
20Sun8:362.99:043.52:57-0.13:070.16:027:40New Moon20Sun
21Mon9:273.19:533.43:47-0.24:000.16:037:38New Moon21Mon
22Tue10:173.210:413.34:33-0.24:500.16:057:37New Moon22Tue
23Wed11:063.211:293.25:19-0.15:400.16:067:35Waxing Crescent23Wed
24Thu11:553.26:040.16:310.36:077:34Waxing Crescent24Thu
25Fri12:183.012:463.26:520.27:250.46:087:32Waxing Crescent25Fri
26Sat1:092.81:373.17:400.48:200.56:097:31Waxing Crescent26Sat
27Sun2:012.62:293.08:300.69:140.66:107:29First Quarter27Sun
28Mon2:552.43:222.99:210.810:100.76:117:27First Quarter28Mon
29Tue3:522.34:202.910:130.911:050.76:127:26First Quarter29Tue
30Wed4:532.35:202.811:080.911:580.76:137:24First Quarter30Wed
31Thu5:522.36:152.912:010.96:147:23Waxing Gibbous31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8461490)

Common Questions About New London, CT Tides

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

Slack tide in New London, CT is approximately 1:15 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 neap phase. Tonight's moon is 48% 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 minimum.

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 First Quarter (48% illuminated). This places New London, CT in a neap tide cycle, so tidal ranges are near their weekly minimum 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