Tides Today & Tomorrow in Fort Point, Newcastle, NH

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently falling in Fort Point, Newcastle, NH.
Next low tide : in 2h 18m at 10:33 pm (0.7 ft)
Next high tide (tomorrow) : 4:48 am (8.0 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 1936

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue11:309.611:4810.35:15-0.65:32-0.56:077:18Full Moon1Tue
2Wed12:1510.15:59-0.96:21-0.96:087:16Full Moon2Wed
3Thu12:3710.41:0110.56:44-1.17:10-1.26:097:14Waning Gibbous3Thu
4Fri1:2710.31:4910.77:31-1.08:02-1.26:107:13Waning Gibbous4Fri
5Sat2:1810.02:3910.68:19-0.78:56-1.06:117:11Waning Gibbous5Sat
6Sun3:139.63:3310.49:12-0.39:54-0.76:127:09Third Quarter6Sun
7Mon4:129.14:3110.110:090.210:57-0.36:137:07Third Quarter7Mon
8Tue5:178.65:359.711:110.76:147:06Third Quarter8Tue
9Wed6:258.36:439.412:030.112:171.06:157:04Third Quarter9Wed
10Thu7:348.27:529.31:120.31:261.16:167:02Waning Crescent10Thu
11Fri8:398.38:569.32:180.32:311.06:187:00Waning Crescent11Fri
12Sat9:368.59:529.43:160.33:300.86:196:58Waning Crescent12Sat
13Sun10:268.810:419.44:080.24:220.66:206:57Waning Crescent13Sun
14Mon11:099.011:259.34:520.25:080.46:216:55New Moon14Mon
15Tue11:489.15:330.25:500.36:226:53New Moon15Tue
16Wed12:069.212:249.26:090.36:290.26:236:51New Moon16Wed
17Thu12:439.012:579.26:440.57:060.36:246:49New Moon17Thu
18Fri1:208.81:319.17:180.77:430.46:256:48Waxing Crescent18Fri
19Sat1:568.52:059.07:530.98:200.66:266:46Waxing Crescent19Sat
20Sun2:348.22:428.88:291.29:010.86:276:44Waxing Crescent20Sun
21Mon3:157.93:238.69:081.59:451.06:286:42Waxing Crescent21Mon
22Tue4:007.64:098.59:521.710:331.26:306:40First Quarter22Tue
23Wed4:507.45:008.410:411.911:271.36:316:39First Quarter23Wed
24Thu5:447.35:558.411:351.96:326:37First Quarter24Thu
25Fri6:427.46:548.512:241.312:341.86:336:35First Quarter25Fri
26Sat7:407.77:538.81:211.01:341.56:346:33Waxing Gibbous26Sat
27Sun7:348.37:509.31:160.71:330.95:355:31Waxing Gibbous27Sun
28Mon8:258.98:439.72:080.22:270.25:365:30Waxing Gibbous28Mon
29Tue9:129.79:3510.12:56-0.33:19-0.55:375:28Full Moon29Tue
30Wed9:5910.310:2510.33:43-0.74:10-1.15:395:26Full Moon30Wed
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 1:40 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 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