Tides Today & Tomorrow in Black Rock Harbor, CT

TIDE TIMES for Thursday, June 25, 2026
The tide is currently rising in Black Rock Harbor, CT.
Next low tide : 2:51 pm (1.2 ft)
Next high tide : in 3h 02m at 8:51 am (6.1 ft)
Sunset today : 8:29 pm
Sunrise tomorrow : 5:21 am
Moon phase : Waxing Gibbous (84% illuminated)
Tide Station Location : Station #8467373
Common Questions About Tides

Black Rock Harbor, CT Tides - Oct 2044

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat7:426.08:016.41:321.21:541.66:506:34Waxing Gibbous1Sat
2Sun8:356.38:536.52:251.12:481.36:516:32Waxing Gibbous2Sun
3Mon9:216.69:406.73:130.93:361.06:526:30Waxing Gibbous3Mon
4Tue10:026.910:236.93:560.84:200.66:536:29Waxing Gibbous4Tue
5Wed10:417.311:047.04:360.65:010.36:546:27Full Moon5Wed
6Thu11:187.611:447.25:140.55:410.06:556:25Full Moon6Thu
7Fri11:577.95:520.36:21-0.36:566:24Full Moon7Fri
8Sat12:257.212:378.06:310.37:03-0.46:576:22Full Moon8Sat
9Sun1:087.21:218.17:120.37:49-0.46:586:20Waning Gibbous9Sun
10Mon1:557.22:098.17:580.38:38-0.36:596:19Waning Gibbous10Mon
11Tue2:467.03:037.98:500.59:33-0.17:016:17Waning Gibbous11Tue
12Wed3:426.94:017.69:490.710:350.17:026:16Third Quarter12Wed
13Thu4:446.85:067.410:560.811:400.27:036:14Third Quarter13Thu
14Fri5:506.86:157.212:060.87:046:13Third Quarter14Fri
15Sat6:586.97:247.112:450.31:150.67:056:11Waning Crescent15Sat
16Sun8:027.28:297.21:480.22:200.47:066:09Waning Crescent16Sun
17Mon9:007.59:277.22:460.13:180.17:076:08Waning Crescent17Mon
18Tue9:517.810:197.33:390.14:11-0.27:086:06Waning Crescent18Tue
19Wed10:387.911:067.34:280.15:00-0.37:096:05New Moon19Wed
20Thu11:207.911:507.25:130.15:44-0.47:116:04New Moon20Thu
21Fri12:017.85:550.36:25-0.37:126:02New Moon21Fri
22Sat12:317.012:407.66:350.57:06-0.17:136:01New Moon22Sat
23Sun1:116.81:197.47:150.77:460.17:145:59Waxing Crescent23Sun
24Mon1:516.62:007.27:550.98:280.47:155:58Waxing Crescent24Mon
25Tue2:346.42:436.98:381.29:130.67:165:56Waxing Crescent25Tue
26Wed3:206.23:316.79:251.410:020.87:175:55Waxing Crescent26Wed
27Thu4:106.04:236.410:191.610:561.07:195:54First Quarter27Thu
28Fri5:046.05:196.211:181.611:521.17:205:52First Quarter28Fri
29Sat6:016.06:196.112:181.67:215:51First Quarter29Sat
30Sun6:576.27:186.112:471.11:161.47:225:50First Quarter30Sun
31Mon7:506.58:136.21:391.02:101.17:235:49Waxing Gibbous31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8467373)

Common Questions About Black Rock Harbor, CT Tides

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

Slack tide in Black Rock Harbor, CT is approximately 11:51 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 spring phase. Tonight's moon is 84% 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 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 Gibbous (84% illuminated). This places Black Rock Harbor, 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