Tides Today & Tomorrow in Keyport, NJ

TIDE TIMES for Friday, August 21, 2026
The tide is currently rising in Keyport, NJ.
Next low tide : 10:14 pm (1.5 ft)
Next high tide : in 5h 00m at 3:17 pm (5.1 ft)
Sunset today : 7:46 pm
Sunrise tomorrow : 6:13 am
Moon phase : First Quarter (65% illuminated)
Tide Station Location : Station #8531545
Common Questions About Tides

Keyport, NJ Tides - Mar 2009

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun10:194.610:395.24:34-0.14:35-0.36:295:48Waxing Crescent1Sun
2Mon11:144.311:365.25:210.15:19-0.16:285:49First Quarter2Mon
3Tue12:154.16:230.36:170.26:265:50First Quarter3Tue
4Wed12:385.11:194.17:400.47:360.36:255:51First Quarter4Wed
5Thu1:435.02:264.18:560.38:560.36:235:52First Quarter5Thu
6Fri2:545.13:384.310:020.110:060.06:225:53Waxing Gibbous6Fri
7Sat4:065.24:464.710:59-0.311:07-0.36:205:55Waxing Gibbous7Sat
8Sun6:105.56:435.212:51-0.67:186:56Waxing Gibbous8Sun
9Mon7:045.77:335.61:03-0.61:41-0.97:176:57Full Moon9Mon
10Tue7:525.88:205.81:55-0.82:27-1.07:156:58Full Moon10Tue
11Wed8:375.89:045.92:46-0.93:12-1.07:146:59Full Moon11Wed
12Thu9:215.69:475.83:33-0.93:53-0.97:127:00Full Moon12Thu
13Fri10:055.310:305.64:17-0.74:32-0.67:107:01Waning Gibbous13Fri
14Sat10:504.911:145.34:59-0.55:09-0.27:097:02Waning Gibbous14Sat
15Sun11:374.55:40-0.15:450.27:077:03Waning Gibbous15Sun
16Mon12:005.012:264.26:230.36:240.67:057:04Waning Gibbous16Mon
17Tue12:484.71:173.97:130.77:111.07:047:05Third Quarter17Tue
18Wed1:384.52:093.78:140.98:161.27:027:06Third Quarter18Wed
19Thu2:304.33:043.79:211.09:281.37:017:07Third Quarter19Thu
20Fri3:264.34:033.710:220.910:321.16:597:08Third Quarter20Fri
21Sat4:264.35:044.011:140.711:270.96:577:09Waning Crescent21Sat
22Sun5:254.55:574.312:000.46:567:11Waning Crescent22Sun
23Mon6:154.86:414.712:150.612:420.26:547:12Waning Crescent23Mon
24Tue6:585.07:205.01:010.31:23-0.16:527:13Waning Crescent24Tue
25Wed7:375.27:555.41:450.02:02-0.26:517:14New Moon25Wed
26Thu8:155.28:305.62:29-0.22:41-0.46:497:15New Moon26Thu
27Fri8:535.29:065.83:13-0.43:20-0.46:477:16New Moon27Fri
28Sat9:345.19:465.93:56-0.53:59-0.46:467:17Waxing Crescent28Sat
29Sun10:184.910:315.84:39-0.44:38-0.36:447:18Waxing Crescent29Sun
30Mon11:104.711:235.75:24-0.25:20-0.16:427:19Waxing Crescent30Mon
31Tue12:084.66:150.06:090.26:417:20Waxing Crescent31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8531545)

Common Questions About Keyport, NJ Tides

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What time does the tide turn (slack tide) in Keyport, NJ today?

Slack tide in Keyport, NJ is approximately 6:45 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 Keyport, NJ?

Keyport, NJ is currently in a transitional phase. Tonight's moon is 65% 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 Keyport, NJ 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 Keyport, NJ?

Tide predictions for Keyport, NJ 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 Keyport, NJ?

Tide data for Keyport, NJ is sourced from NOAA Station #8531545. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8531545.

What is the moon phase in Keyport, NJ tonight?

Tonight the moon over Keyport, NJ is First Quarter (65% illuminated). This places Keyport, NJ 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