Tides Today & Tomorrow in Barnstable Harbor, MA

TIDE TIMES for Saturday, July 4, 2026
The tide is currently falling in Barnstable Harbor, MA.
Next low tide : in 2h 41m at 9:42 pm (1.4 ft)
Next high tide (tomorrow) : 3:30 am (9.8 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:12 am
Moon phase : Waning Gibbous (81% illuminated)
Tide Station Location : Station #8447335
Common Questions About Tides

Barnstable Harbor, MA Tides - Sep 1998

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue7:408.37:559.51:461.41:591.86:077:15Waxing Gibbous1Tue
2Wed8:358.58:499.82:401.22:541.66:087:13Waxing Gibbous2Wed
3Thu9:288.99:4210.33:340.83:481.16:097:11Waxing Gibbous3Thu
4Fri10:179.510:3210.84:250.24:390.66:107:10Waxing Gibbous4Fri
5Sat11:0410.111:2011.25:13-0.35:29-0.16:117:08Full Moon5Sat
6Sun11:5010.65:59-0.86:18-0.66:127:06Full Moon6Sun
7Mon12:0911.512:3711.16:46-1.17:07-1.06:137:05Full Moon7Mon
8Tue12:5911.61:2511.47:34-1.37:58-1.26:147:03Waning Gibbous8Tue
9Wed1:5011.52:1511.68:22-1.28:50-1.26:157:01Waning Gibbous9Wed
10Thu2:4211.23:0611.59:12-0.99:43-1.06:166:59Waning Gibbous10Thu
11Fri3:3710.83:5911.310:04-0.510:40-0.76:176:58Third Quarter11Fri
12Sat4:3510.34:5710.911:000.011:40-0.36:186:56Third Quarter12Sat
13Sun5:389.85:5910.612:000.56:196:54Third Quarter13Sun
14Mon6:439.47:0410.312:430.11:020.96:206:53Third Quarter14Mon
15Tue7:499.38:0910.11:470.32:051.16:216:51Waning Crescent15Tue
16Wed8:549.39:1210.12:510.43:081.16:226:49Waning Crescent16Wed
17Thu9:529.510:0810.23:510.44:060.96:236:47Waning Crescent17Thu
18Fri10:429.710:5710.24:440.34:580.76:246:46Waning Crescent18Fri
19Sat11:259.811:4010.25:290.25:430.56:256:44New Moon19Sat
20Sun12:049.96:090.36:250.46:266:42New Moon20Sun
21Mon12:2010.112:4110.06:470.37:050.46:276:40New Moon21Mon
22Tue12:5910.01:1710.07:250.57:450.46:286:39New Moon22Tue
23Wed1:389.81:5410.08:020.78:240.56:296:37Waxing Crescent23Wed
24Thu2:179.62:319.88:400.99:050.76:306:35Waxing Crescent24Thu
25Fri2:579.33:109.79:201.29:470.96:316:33Waxing Crescent25Fri
26Sat3:409.03:529.510:011.510:321.16:326:32Waxing Crescent26Sat
27Sun4:258.74:389.410:471.811:211.36:336:30First Quarter27Sun
28Mon5:158.55:289.311:371.96:346:28First Quarter28Mon
29Tue6:088.46:229.312:141.412:302.06:356:27First Quarter29Tue
30Wed7:038.57:179.51:081.31:251.86:366:25First Quarter30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447335)

Common Questions About Barnstable Harbor, MA Tides

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What time does the tide turn (slack tide) in Barnstable Harbor, MA today?

Slack tide in Barnstable Harbor, MA is approximately 12:36 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 Barnstable Harbor, MA?

Barnstable Harbor, MA is currently in a spring phase. Tonight's moon is 81% 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 Barnstable Harbor, MA 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 Barnstable Harbor, MA?

Tide predictions for Barnstable Harbor, MA 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 Barnstable Harbor, MA?

Tide data for Barnstable Harbor, MA is sourced from NOAA Station #8447335. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447335.

What is the moon phase in Barnstable Harbor, MA tonight?

Tonight the moon over Barnstable Harbor, MA is Waning Gibbous (81% illuminated). This places Barnstable Harbor, MA 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