Tides Today & Tomorrow in Atlantic Heights, NH

TIDE TIMES for Wednesday, August 19, 2026
The tide is currently rising in Atlantic Heights, NH.
Next low tide : 11:06 am (1.1 ft)
Next high tide : in 1h 40m at 5:17 am (7.0 ft)
Sunset today : 7:39 pm
Sunrise tomorrow : 5:53 am
Moon phase : First Quarter (46% illuminated)
Tide Station Location : Station #8423635
Common Questions About Tides

Atlantic Heights, NH Tides - May 1943

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:078.210:368.43:450.04:10-0.25:377:43Waning Crescent1Sat
2Sun11:028.311:248.74:40-0.35:00-0.35:357:44New Moon2Sun
3Mon11:538.35:30-0.65:46-0.25:347:45New Moon3Mon
4Tue12:108.812:408.26:18-0.76:300.05:337:46New Moon4Tue
5Wed12:538.81:258.07:02-0.77:120.25:317:47New Moon5Wed
6Thu1:348.62:097.87:45-0.57:530.55:307:48Waxing Crescent6Thu
7Fri2:138.42:517.58:27-0.38:340.85:297:49Waxing Crescent7Fri
8Sat2:548.13:357.39:090.09:161.05:287:50Waxing Crescent8Sat
9Sun3:367.84:217.09:530.310:021.35:267:52Waxing Crescent9Sun
10Mon4:237.55:116.810:400.610:521.55:257:53First Quarter10Mon
11Tue5:137.36:026.711:290.811:441.65:247:54First Quarter11Tue
12Wed6:077.16:546.712:191.05:237:55First Quarter12Wed
13Thu7:027.07:466.912:401.71:121.05:227:56First Quarter13Thu
14Fri7:587.08:377.11:371.52:041.05:217:57Waxing Gibbous14Fri
15Sat8:537.19:247.42:331.32:540.85:197:58Waxing Gibbous15Sat
16Sun9:447.310:077.83:240.93:390.65:187:59Waxing Gibbous16Sun
17Mon10:317.510:488.34:110.44:230.45:178:00Waxing Gibbous17Mon
18Tue11:177.811:298.74:55-0.15:060.25:168:01Full Moon18Tue
19Wed12:038.05:40-0.55:490.05:158:02Full Moon19Wed
20Thu12:129.012:498.16:25-0.86:35-0.15:158:03Full Moon20Thu
21Fri12:589.21:378.27:12-1.17:23-0.25:148:04Waning Gibbous21Fri
22Sat1:459.32:278.28:01-1.18:13-0.15:138:05Waning Gibbous22Sat
23Sun2:359.23:208.18:52-1.19:060.15:128:06Waning Gibbous23Sun
24Mon3:299.04:188.09:47-0.910:050.25:118:07Waning Gibbous24Mon
25Tue4:298.75:197.910:46-0.611:080.45:108:08Third Quarter25Tue
26Wed5:328.46:227.911:47-0.45:108:09Third Quarter26Wed
27Thu6:388.17:248.012:140.512:49-0.25:098:10Third Quarter27Thu
28Fri7:457.98:268.11:220.51:520.05:088:11Waning Crescent28Fri
29Sat8:517.89:238.32:290.32:530.15:088:12Waning Crescent29Sat
30Sun9:517.810:158.53:310.13:480.25:078:13Waning Crescent30Sun
31Mon10:467.811:038.64:26-0.14:380.35:068:14Waning Crescent31Mon
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 8:11 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 46% 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 (46% 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