Tides Today & Tomorrow in Castine, ME

TIDE TIMES for Saturday, August 22, 2026
The tide is currently rising in Castine, ME.
Next low tide : 1:22 pm (2.4 ft)
Next high tide : in 5h 47m at 7:27 am (8.4 ft)
Sunset today : 7:29 pm
Sunrise tomorrow : 5:46 am
Moon phase : Waxing Gibbous (73% illuminated)
Tide Station Location : Station #8414672
Common Questions About Tides

Castine, ME Tides - Aug 1924

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri12:1910.06:080.16:161.05:218:00New Moon1Fri
2Sat12:2611.012:5610.26:450.06:540.95:237:59New Moon2Sat
3Sun1:0411.11:3410.47:22-0.17:340.75:247:58Waxing Crescent3Sun
4Mon1:4411.02:1310.68:00-0.28:170.65:257:56Waxing Crescent4Mon
5Tue2:2711.02:5610.88:41-0.19:030.55:267:55Waxing Crescent5Tue
6Wed3:1310.83:4210.99:260.09:530.45:277:54First Quarter6Wed
7Thu4:0510.54:3411.010:150.110:490.35:287:52First Quarter7Thu
8Fri5:0110.25:3011.011:090.311:500.25:297:51First Quarter8Fri
9Sat6:0310.06:3011.112:090.55:317:50First Quarter9Sat
10Sun7:0910.07:3411.312:550.11:120.55:327:48Waxing Gibbous10Sun
11Mon8:1510.18:3711.62:00-0.22:170.45:337:47Waxing Gibbous11Mon
12Tue9:1710.49:3711.93:03-0.63:190.15:347:45Waxing Gibbous12Tue
13Wed10:1610.710:3312.14:01-1.04:18-0.15:357:44Full Moon13Wed
14Thu11:1011.111:2712.34:56-1.25:13-0.45:367:42Full Moon14Thu
15Fri12:0111.35:48-1.36:05-0.55:377:41Full Moon15Fri
16Sat12:1812.212:5011.36:37-1.26:55-0.45:397:39Waning Gibbous16Sat
17Sun1:0711.91:3811.27:24-0.97:45-0.25:407:37Waning Gibbous17Sun
18Mon1:5611.52:2411.08:11-0.58:340.15:417:36Waning Gibbous18Mon
19Tue2:4410.93:1110.78:570.09:230.55:427:34Waning Gibbous19Tue
20Wed3:3310.33:5910.49:440.610:140.95:437:33Third Quarter20Wed
21Thu4:249.84:4810.010:321.111:071.25:447:31Third Quarter21Thu
22Fri5:189.35:409.811:231.65:467:29Third Quarter22Fri
23Sat6:148.96:349.612:021.412:171.95:477:28Third Quarter23Sat
24Sun7:128.77:299.612:581.51:122.05:487:26Waning Crescent24Sun
25Mon8:078.88:229.81:541.42:061.95:497:24Waning Crescent25Mon
26Tue8:599.09:1210.02:461.22:571.75:507:23Waning Crescent26Tue
27Wed9:469.39:5710.43:330.83:441.45:517:21Waning Crescent27Wed
28Thu10:289.610:3910.74:170.54:271.15:537:19New Moon28Thu
29Fri11:0810.011:1911.04:570.25:070.75:547:17New Moon29Fri
30Sat11:4610.411:5811.25:35-0.15:470.45:557:16New Moon30Sat
31Sun12:2410.86:13-0.36:270.15:567:14New Moon31Sun
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 10:24 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 Castine, ME?

Castine, ME is currently in a transitional phase. Tonight's moon is 73% 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 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 Waxing Gibbous (73% illuminated). This places Castine, ME 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