Tides Today & Tomorrow in Black Rock Harbor, CT

TIDE TIMES for Friday, June 19, 2026
The tide is currently falling in Black Rock Harbor, CT.
Next low tide : in 2h 21m at 9:59 pm (0.2 ft)
Next high tide (tomorrow) : 4:03 am (7.3 ft)
Sunset today : 8:28 pm
Sunrise tomorrow : 5:20 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8467373
Common Questions About Tides

Black Rock Harbor, CT Tides - Sep 2035

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat11:198.011:408.25:11-0.75:33-0.46:197:26New Moon1Sat
2Sun12:078.15:59-0.76:22-0.56:207:24New Moon2Sun
3Mon12:288.112:538.16:45-0.67:09-0.46:217:22New Moon3Mon
4Tue1:147.91:378.07:29-0.47:55-0.36:227:21Waxing Crescent4Tue
5Wed2:007.62:227.88:14-0.18:410.06:237:19Waxing Crescent5Wed
6Thu2:467.33:077.68:590.39:290.36:247:17Waxing Crescent6Thu
7Fri3:336.93:547.39:460.610:190.56:257:16First Quarter7Fri
8Sat4:226.64:447.010:360.911:120.86:267:14First Quarter8Sat
9Sun5:156.35:376.811:301.26:277:12First Quarter9Sun
10Mon6:126.26:346.712:081.012:271.36:287:11First Quarter10Mon
11Tue7:116.17:326.61:051.01:241.46:297:09First Quarter11Tue
12Wed8:076.28:276.72:001.02:191.36:307:07Waxing Gibbous12Wed
13Thu8:596.49:176.82:520.93:101.16:317:06Waxing Gibbous13Thu
14Fri9:466.610:027.03:390.73:580.96:327:04Waxing Gibbous14Fri
15Sat10:286.910:447.24:230.54:420.66:337:02Waxing Gibbous15Sat
16Sun11:077.211:257.35:030.45:230.46:347:01Full Moon16Sun
17Mon11:457.55:420.26:030.16:356:59Full Moon17Mon
18Tue12:057.512:257.86:200.16:44-0.16:366:57Full Moon18Tue
19Wed12:467.61:068.07:000.07:26-0.36:376:55Waning Gibbous19Wed
20Thu1:307.61:508.17:410.08:12-0.36:386:54Waning Gibbous20Thu
21Fri2:177.62:378.18:270.09:02-0.36:396:52Waning Gibbous21Fri
22Sat3:087.43:308.09:180.19:57-0.26:406:50Waning Gibbous22Sat
23Sun4:047.34:277.910:160.310:57-0.16:416:49Third Quarter23Sun
24Mon5:047.15:297.711:190.46:426:47Third Quarter24Mon
25Tue6:097.16:367.612:010.012:260.56:436:45Third Quarter25Tue
26Wed7:157.27:427.61:050.01:310.46:446:43Waning Crescent26Wed
27Thu8:197.48:457.72:08-0.12:340.26:456:42Waning Crescent27Thu
28Fri9:187.69:437.83:06-0.23:33-0.16:466:40Waning Crescent28Fri
29Sat10:117.910:357.84:00-0.34:27-0.36:476:38Waning Crescent29Sat
30Sun10:598.011:237.84:50-0.35:17-0.46:486:37New Moon30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8467373)

Common Questions About Black Rock Harbor, CT Tides

Show All
What time does the tide turn (slack tide) in Black Rock Harbor, CT today?

Slack tide in Black Rock Harbor, CT is approximately 1:01 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 Black Rock Harbor, CT?

Black Rock Harbor, CT is currently in a transitional phase. Tonight's moon is 27% 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 Black Rock Harbor, 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 Black Rock Harbor, CT?

Tide predictions for Black Rock Harbor, 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 Black Rock Harbor, CT?

Tide data for Black Rock Harbor, CT is sourced from NOAA Station #8467373. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8467373.

What is the moon phase in Black Rock Harbor, CT tonight?

Tonight the moon over Black Rock Harbor, CT is Waxing Crescent (27% illuminated). This places Black Rock Harbor, 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