Tides Today & Tomorrow in Castine, ME

TIDE TIMES for Monday, August 10, 2026
The tide is currently falling in Castine, ME.
Next low tide : in 3h 03m at 3:15 pm (0.7 ft)
Next high tide : 9:35 pm (11.6 ft)
Sunset today : 7:48 pm
Sunrise tomorrow : 5:32 am
Moon phase : Waning Crescent (6% illuminated)
Tide Station Location : Station #8414672
Common Questions About Tides

Castine, ME Tides - Aug 1945

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed5:1910.55:4911.211:280.15:218:00Third Quarter1Wed
2Thu6:2410.16:5011.212:110.112:290.55:237:59Third Quarter2Thu
3Fri7:309.97:5211.21:160.01:320.75:247:58Waning Crescent3Fri
4Sat8:349.98:5311.32:20-0.22:340.75:257:57Waning Crescent4Sat
5Sun9:3510.09:5011.53:20-0.43:330.65:267:55Waning Crescent5Sun
6Mon10:3010.210:4311.64:16-0.54:280.55:277:54New Moon6Mon
7Tue11:2110.311:3211.65:07-0.65:190.55:287:53New Moon7Tue
8Wed12:0710.45:55-0.66:070.55:297:51New Moon8Wed
9Thu12:1911.412:5110.46:39-0.46:520.65:307:50New Moon9Thu
10Fri1:0311.21:3310.37:22-0.27:350.75:327:48Waxing Crescent10Fri
11Sat1:4510.92:1410.28:020.18:180.95:337:47Waxing Crescent11Sat
12Sun2:2710.52:5410.18:420.59:011.25:347:45Waxing Crescent12Sun
13Mon3:1010.03:369.99:220.99:451.45:357:44Waxing Crescent13Mon
14Tue3:549.64:199.710:031.310:321.65:367:42First Quarter14Tue
15Wed4:429.15:049.610:471.711:221.75:377:41First Quarter15Wed
16Thu5:338.85:549.511:352.05:397:39First Quarter16Thu
17Fri6:288.66:479.512:161.712:272.15:407:38First Quarter17Fri
18Sat7:258.57:419.71:121.61:222.15:417:36Waxing Gibbous18Sat
19Sun8:218.78:3410.02:071.32:162.05:427:34Waxing Gibbous19Sun
20Mon9:139.09:2410.52:590.93:081.65:437:33Waxing Gibbous20Mon
21Tue10:029.510:1311.03:490.43:571.25:447:31Waxing Gibbous21Tue
22Wed10:4810.010:5911.54:35-0.14:450.65:467:29Full Moon22Wed
23Thu11:3310.611:4611.95:20-0.65:320.15:477:28Full Moon23Thu
24Fri12:1711.06:05-0.96:19-0.35:487:26Full Moon24Fri
25Sat12:3312.11:0311.46:50-1.17:08-0.65:497:24Waning Gibbous25Sat
26Sun1:2112.11:5011.77:36-1.17:59-0.75:507:23Waning Gibbous26Sun
27Mon2:1211.82:4011.78:25-0.98:53-0.75:517:21Waning Gibbous27Mon
28Tue3:0611.43:3211.79:16-0.69:50-0.55:537:19Third Quarter28Tue
29Wed4:0310.94:2911.410:11-0.110:51-0.35:547:17Third Quarter29Wed
30Thu5:0510.35:3011.211:100.411:550.05:557:16Third Quarter30Thu
31Fri6:119.96:3410.912:140.85:567:14Third Quarter31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8414672)

Common Questions About Castine, ME Tides

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What time does the tide turn (slack tide) in Castine, ME today?

Slack tide in Castine, ME is approximately 6:25 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 Castine, ME?

Castine, ME is currently in a spring phase. Tonight's moon is 6% 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 maximum.

What datum are Castine, ME 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 Castine, ME?

Tide predictions for Castine, ME 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 Castine, ME?

Tide data for Castine, ME is sourced from NOAA Station #8414672. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8414672.

What is the moon phase in Castine, ME tonight?

Tonight the moon over Castine, ME is Waning Crescent (6% illuminated). This places Castine, ME in a spring tide cycle, so tidal ranges are near their weekly maximum 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