Tides Today & Tomorrow in Fort Point, Newcastle, NH

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently rising in Fort Point, Newcastle, NH.
Next low tide : 10:33 pm (0.7 ft)
Next high tide : in 3h 52m at 4:14 pm (9.1 ft)
Sunset today : 7:41 pm
Sunrise tomorrow : 5:52 am
Moon phase : First Quarter (36% illuminated)
Tide Station Location : Station #8423898
Common Questions About Tides

Fort Point, Newcastle, NH Tides - Sep 1937

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed8:428.59:009.82:210.02:350.66:067:18Waning Crescent1Wed
2Thu9:428.99:5910.03:22-0.23:370.36:077:17Waning Crescent2Thu
3Fri10:369.210:5310.14:17-0.44:320.06:097:15New Moon3Fri
4Sat11:259.511:4310.05:07-0.55:24-0.36:107:13New Moon4Sat
5Sun12:109.75:52-0.56:11-0.46:117:11New Moon5Sun
6Mon12:299.812:529.76:35-0.46:57-0.36:127:10New Moon6Mon
7Tue1:139.61:329.67:16-0.17:40-0.16:137:08Waxing Crescent7Tue
8Wed1:569.22:119.47:560.38:230.16:147:06Waxing Crescent8Wed
9Thu2:388.72:529.28:370.79:080.56:157:04Waxing Crescent9Thu
10Fri3:238.33:358.99:191.19:550.86:167:02Waxing Crescent10Fri
11Sat4:107.94:218.610:051.510:461.16:177:01First Quarter11Sat
12Sun5:017.65:138.410:561.811:411.46:186:59First Quarter12Sun
13Mon5:567.46:088.211:502.06:196:57First Quarter13Mon
14Tue6:547.37:068.212:381.412:472.06:216:55First Quarter14Tue
15Wed7:527.48:038.41:361.41:441.96:226:54Waxing Gibbous15Wed
16Thu8:457.78:558.72:291.22:381.56:236:52Waxing Gibbous16Thu
17Fri9:318.19:429.03:160.83:271.16:246:50Waxing Gibbous17Fri
18Sat10:138.610:279.33:580.54:120.66:256:48Waxing Gibbous18Sat
19Sun10:529.211:109.64:380.14:550.16:266:46Full Moon19Sun
20Mon11:329.711:539.85:17-0.25:39-0.46:276:44Full Moon20Mon
21Tue12:1310.15:58-0.46:23-0.86:286:43Full Moon21Tue
22Wed12:389.812:5510.46:39-0.57:09-1.06:296:41Waning Gibbous22Wed
23Thu1:249.81:4010.57:24-0.57:57-1.06:306:39Waning Gibbous23Thu
24Fri2:149.62:2910.58:11-0.38:49-0.96:326:37Waning Gibbous24Fri
25Sat3:079.23:2310.39:030.09:46-0.66:336:35Third Quarter25Sat
26Sun3:058.93:2210.09:010.49:49-0.25:345:34Third Quarter26Sun
27Mon4:098.64:279.610:050.710:550.05:355:32Third Quarter27Mon
28Tue5:178.45:369.411:130.85:365:30Third Quarter28Tue
29Wed6:268.56:479.412:020.112:220.85:375:28Waning Crescent29Wed
30Thu7:318.87:529.41:080.11:290.65:385:26Waning Crescent30Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8423898)

Common Questions About Fort Point, Newcastle, NH Tides

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What time does the tide turn (slack tide) in Fort Point, Newcastle, NH today?

Slack tide in Fort Point, Newcastle, NH is approximately 7:23 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 Fort Point, Newcastle, NH?

Fort Point, Newcastle, NH is currently in a transitional phase. Tonight's moon is 36% 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 Fort Point, Newcastle, 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 Fort Point, Newcastle, NH?

Tide predictions for Fort Point, Newcastle, 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 Fort Point, Newcastle, NH?

Tide data for Fort Point, Newcastle, NH is sourced from NOAA Station #8423898. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8423898.

What is the moon phase in Fort Point, Newcastle, NH tonight?

Tonight the moon over Fort Point, Newcastle, NH is First Quarter (36% illuminated). This places Fort Point, Newcastle, NH 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