Tides Today & Tomorrow in Black Rock Harbor, CT

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently rising in Black Rock Harbor, CT.
Next low tide : 12:28 pm (1.1 ft)
Next high tide : in 5h 54m at 6:19 am (6.1 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:39 am
Moon phase : First Quarter (62% illuminated)
Tide Station Location : Station #8467373
Common Questions About Tides

Black Rock Harbor, CT Tides - Apr 1982

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu4:427.45:246.711:15-0.211:390.45:366:17First Quarter1Thu
2Fri5:507.26:316.712:19-0.15:346:18First Quarter2Fri
3Sat6:577.27:356.912:460.41:22-0.15:326:19Waxing Gibbous3Sat
4Sun8:007.28:337.11:490.22:20-0.25:316:20Waxing Gibbous4Sun
5Mon8:567.29:247.32:470.03:13-0.25:296:21Waxing Gibbous5Mon
6Tue9:477.310:097.43:39-0.14:00-0.25:276:22Full Moon6Tue
7Wed10:327.210:517.54:26-0.24:44-0.15:266:23Full Moon7Wed
8Thu11:147.111:297.55:09-0.35:240.05:246:24Full Moon8Thu
9Fri11:537.05:49-0.26:020.25:226:25Full Moon9Fri
10Sat12:077.412:326.86:28-0.16:400.45:216:27Waning Gibbous10Sat
11Sun12:447.31:126.77:070.07:190.65:196:28Waning Gibbous11Sun
12Mon1:237.11:536.57:490.28:000.95:186:29Waning Gibbous12Mon
13Tue2:056.92:386.38:330.48:461.15:166:30Waning Gibbous13Tue
14Wed2:516.73:276.19:210.69:371.35:156:31Third Quarter14Wed
15Thu3:426.54:206.010:150.810:341.45:136:32Third Quarter15Thu
16Fri4:386.45:186.011:110.911:331.45:116:33Third Quarter16Fri
17Sat5:376.36:156.112:070.95:106:34Third Quarter17Sat
18Sun6:356.47:106.412:321.21:010.85:086:35Waning Crescent18Sun
19Mon7:316.58:016.71:271.01:520.65:076:36Waning Crescent19Mon
20Tue8:236.88:477.22:190.62:400.45:056:37Waning Crescent20Tue
21Wed9:117.19:317.63:070.23:250.15:046:38Waning Crescent21Wed
22Thu9:577.310:158.03:53-0.34:09-0.15:026:39New Moon22Thu
23Fri10:437.511:008.34:39-0.74:53-0.35:016:40New Moon23Fri
24Sat11:307.711:468.55:25-1.05:39-0.45:006:41New Moon24Sat
25Sun1:197.77:13-1.17:27-0.45:587:43Waxing Crescent25Sun
26Mon1:358.52:107.68:02-1.18:18-0.35:577:44Waxing Crescent26Mon
27Tue2:278.43:047.58:55-0.99:13-0.15:557:45Waxing Crescent27Tue
28Wed3:238.14:027.39:52-0.610:140.25:547:46Waxing Crescent28Wed
29Thu4:237.85:047.110:53-0.411:190.45:537:47First Quarter29Thu
30Fri5:267.46:087.111:56-0.15:517:48First Quarter30Fri
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 9:23 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 62% 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 First Quarter (62% 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