Tides Today & Tomorrow in Atlantic Heights, NH

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Atlantic Heights, NH.
Next low tide : 11:32 am (0.0 ft)
Next high tide : in 3h 46m at 5:23 am (8.0 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:03 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8423635
Common Questions About Tides

Atlantic Heights, NH Tides - Oct 2028

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun11:067.511:237.74:470.65:040.66:416:23Full Moon1Sun
2Mon11:427.75:230.55:420.46:426:21Full Moon2Mon
3Tue12:017.612:167.85:560.66:180.36:436:20Full Moon3Tue
4Wed12:387.612:487.96:280.66:520.36:446:18Full Moon4Wed
5Thu1:147.51:207.96:590.77:260.36:456:16Full Moon5Thu
6Fri1:497.31:527.97:320.98:010.36:466:14Waning Gibbous6Fri
7Sat2:247.22:277.88:071.08:400.46:486:13Waning Gibbous7Sat
8Sun3:027.03:057.88:461.19:220.56:496:11Waning Gibbous8Sun
9Mon3:446.83:507.79:301.210:110.66:506:09Third Quarter9Mon
10Tue4:346.74:437.610:201.311:050.76:516:08Third Quarter10Tue
11Wed5:316.65:427.611:171.36:526:06Third Quarter11Wed
12Thu6:316.86:467.712:040.612:181.26:536:04Third Quarter12Thu
13Fri7:337.17:517.91:050.51:240.96:556:03Waning Crescent13Fri
14Sat8:347.68:568.22:060.22:290.46:566:01Waning Crescent14Sat
15Sun9:308.19:558.53:04-0.13:31-0.26:575:59Waning Crescent15Sun
16Mon10:228.710:518.73:58-0.44:27-0.76:585:58New Moon16Mon
17Tue11:129.211:448.84:48-0.75:20-1.26:595:56New Moon17Tue
18Wed12:019.55:38-0.76:12-1.47:015:54New Moon18Wed
19Thu12:378.812:509.66:27-0.67:04-1.47:025:53New Moon19Thu
20Fri1:298.61:409.47:17-0.47:55-1.27:035:51Waxing Crescent20Fri
21Sat2:218.32:319.18:07-0.18:48-0.87:045:50Waxing Crescent21Sat
22Sun3:157.93:248.79:000.39:43-0.47:065:48Waxing Crescent22Sun
23Mon4:117.54:228.29:560.810:430.17:075:47First Quarter23Mon
24Tue5:127.15:237.710:561.111:440.57:085:45First Quarter24Tue
25Wed6:126.96:267.412:001.37:095:44First Quarter25Wed
26Thu7:126.97:277.212:440.81:041.47:115:42First Quarter26Thu
27Fri8:096.98:267.11:430.92:061.37:125:41Waxing Gibbous27Fri
28Sat9:017.19:207.12:370.93:031.17:135:39Waxing Gibbous28Sat
29Sun9:477.410:087.23:250.93:520.97:145:38Waxing Gibbous29Sun
30Mon10:277.610:527.34:060.94:340.67:165:37Waxing Gibbous30Mon
31Tue11:057.811:327.34:440.95:130.47:175:35Full Moon31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8423635)

Common Questions About Atlantic Heights, NH Tides

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What time does the tide turn (slack tide) in Atlantic Heights, NH today?

Slack tide in Atlantic Heights, NH is approximately 8:27 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 Atlantic Heights, NH?

Atlantic Heights, NH is currently in a neap phase. Tonight's moon is 48% 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 minimum.

What datum are Atlantic Heights, NH 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 Atlantic Heights, NH?

Tide predictions for Atlantic Heights, NH 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 Atlantic Heights, NH?

Tide data for Atlantic Heights, NH is sourced from NOAA Station #8423635. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8423635.

What is the moon phase in Atlantic Heights, NH tonight?

Tonight the moon over Atlantic Heights, NH is First Quarter (48% illuminated). This places Atlantic Heights, NH in a neap tide cycle, so tidal ranges are near their weekly minimum 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