Tides Today & Tomorrow in Black Rock Harbor, CT

TIDE TIMES for Saturday, July 25, 2026
The tide is currently rising in Black Rock Harbor, CT.
Next low tide : 3:09 pm (1.5 ft)
Next high tide : in 1h 21m at 9:09 am (5.9 ft)
Sunset today : 8:16 pm
Sunrise tomorrow : 5:42 am
Moon phase : Waxing Gibbous (86% illuminated)
Tide Station Location : Station #8467373
Common Questions About Tides

Black Rock Harbor, CT Tides - Aug 2079

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue2:457.43:147.69:02-0.19:320.35:498:09Waxing Crescent1Tue
2Wed3:357.04:017.49:490.310:230.55:508:08First Quarter2Wed
3Thu4:256.74:507.210:380.711:170.75:518:07First Quarter3Thu
4Fri5:186.35:417.011:291.05:528:06First Quarter4Fri
5Sat6:146.06:356.812:120.912:231.35:538:04First Quarter5Sat
6Sun7:125.97:306.71:081.01:181.55:548:03Waxing Gibbous6Sun
7Mon8:105.88:256.72:041.02:131.55:558:02Waxing Gibbous7Mon
8Tue9:045.89:166.82:570.93:061.55:558:01Waxing Gibbous8Tue
9Wed9:546.010:036.93:470.83:551.45:567:59Waxing Gibbous9Wed
10Thu10:386.210:467.04:330.74:411.35:577:58Waxing Gibbous10Thu
11Fri11:186.411:267.15:140.55:241.15:587:57Full Moon11Fri
12Sat11:566.75:520.46:040.95:597:55Full Moon12Sat
13Sun12:057.212:346.96:290.36:440.76:007:54Full Moon13Sun
14Mon12:457.31:117.27:050.27:240.56:017:53Waning Gibbous14Mon
15Tue1:267.31:517.57:420.18:060.36:027:51Waning Gibbous15Tue
16Wed2:097.32:337.78:220.28:520.26:037:50Waning Gibbous16Wed
17Thu2:567.13:207.89:060.29:430.26:047:48Waning Gibbous17Thu
18Fri3:477.04:107.89:550.410:390.26:057:47Third Quarter18Fri
19Sat4:426.85:077.710:510.611:400.26:067:46Third Quarter19Sat
20Sun5:446.66:087.711:530.76:077:44Third Quarter20Sun
21Mon6:496.57:147.612:450.212:590.86:087:43Third Quarter21Mon
22Tue7:576.68:197.71:490.22:050.76:097:41Waning Crescent22Tue
23Wed9:016.89:227.82:520.03:080.56:107:40Waning Crescent23Wed
24Thu10:007.110:197.93:51-0.24:080.36:117:38Waning Crescent24Thu
25Fri10:547.411:128.04:45-0.35:040.16:127:36New Moon25Fri
26Sat11:437.65:34-0.45:55-0.16:137:35New Moon26Sat
27Sun12:017.912:297.86:20-0.46:43-0.16:147:33New Moon27Sun
28Mon12:487.71:127.87:04-0.37:28-0.16:157:32Waxing Crescent28Mon
29Tue1:337.51:557.77:460.08:130.16:167:30Waxing Crescent29Tue
30Wed2:177.22:377.68:280.38:580.36:177:28Waxing Crescent30Wed
31Thu3:026.93:217.39:110.69:450.56:187:27Waxing Crescent31Thu
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 12:09 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 Black Rock Harbor, CT?

Black Rock Harbor, CT is currently in a spring phase. Tonight's moon is 86% 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 (86% 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