Tides Today & Tomorrow in Yarmouth, Royal River, ME

TIDE TIMES for Monday, August 17, 2026
The tide is currently rising in Yarmouth, Royal River, ME.
Next low tide : 9:04 am (0.2 ft)
Next high tide : in 57m at 2:55 am (9.8 ft)
Sunset today : 7:41 pm
Sunrise tomorrow : 5:47 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8417948
Common Questions About Tides

Yarmouth, Royal River, ME Tides - Sep 1940

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun10:4810.111:0611.24:35-0.84:51-0.66:047:17New Moon1Sun
2Mon11:3710.711:5711.45:24-1.25:42-1.16:057:15New Moon2Mon
3Tue12:2611.16:12-1.56:34-1.46:067:13New Moon3Tue
4Wed12:4911.41:1511.37:01-1.57:26-1.56:077:11Waxing Crescent4Wed
5Thu1:4111.22:0511.47:50-1.38:20-1.46:087:09Waxing Crescent5Thu
6Fri2:3510.82:5811.28:42-1.09:17-1.06:097:08Waxing Crescent6Fri
7Sat3:3210.33:5610.89:37-0.510:17-0.66:107:06First Quarter7Sat
8Sun4:349.74:5710.410:370.111:21-0.26:127:04First Quarter8Sun
9Mon5:399.36:0110.111:400.56:137:02First Quarter9Mon
10Tue6:459.07:079.812:280.112:460.86:147:00Waxing Gibbous10Tue
11Wed7:518.98:119.71:350.31:531.06:156:59Waxing Gibbous11Wed
12Thu8:518.99:099.82:380.32:540.96:166:57Waxing Gibbous12Thu
13Fri9:449.110:009.83:330.33:480.76:176:55Waxing Gibbous13Fri
14Sat10:309.310:469.84:210.24:350.56:186:53Full Moon14Sat
15Sun11:129.411:289.85:030.25:170.46:196:51Full Moon15Sun
16Mon11:509.55:410.25:560.36:216:49Full Moon16Mon
17Tue12:069.712:269.66:150.36:320.36:226:48Full Moon17Tue
18Wed12:439.612:599.66:480.47:070.46:236:46Full Moon18Wed
19Thu1:199.41:329.57:210.67:420.56:246:44Waning Gibbous19Thu
20Fri1:549.22:069.47:540.88:190.66:256:42Waning Gibbous20Fri
21Sat2:318.92:429.38:301.08:590.76:266:40Waning Gibbous21Sat
22Sun3:118.63:229.29:101.29:430.96:276:38Waning Gibbous22Sun
23Mon3:568.44:089.19:551.410:321.06:296:36Third Quarter23Mon
24Tue4:468.25:009.110:451.511:251.06:306:35Third Quarter24Tue
25Wed5:418.25:569.211:391.56:316:33Third Quarter25Wed
26Thu6:398.36:569.412:220.912:381.36:326:31Waning Crescent26Thu
27Fri7:398.77:589.81:220.61:400.96:336:29Waning Crescent27Fri
28Sat8:369.38:5710.32:210.22:400.36:346:27Waning Crescent28Sat
29Sun8:3010.08:5210.72:15-0.42:37-0.45:355:25Waning Crescent29Sun
30Mon9:2010.79:4511.13:07-0.93:30-1.05:375:24New Moon30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8417948)

Common Questions About Yarmouth, Royal River, ME Tides

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What time does the tide turn (slack tide) in Yarmouth, Royal River, ME today?

Slack tide in Yarmouth, Royal River, ME is approximately 5:59 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 Yarmouth, Royal River, ME?

Yarmouth, Royal River, ME is currently in a transitional phase. Tonight's moon is 27% 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 Yarmouth, Royal River, 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 Yarmouth, Royal River, ME?

Tide predictions for Yarmouth, Royal River, 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 Yarmouth, Royal River, ME?

Tide data for Yarmouth, Royal River, ME is sourced from NOAA Station #8417948. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8417948.

What is the moon phase in Yarmouth, Royal River, ME tonight?

Tonight the moon over Yarmouth, Royal River, ME is Waxing Crescent (27% illuminated). This places Yarmouth, Royal River, 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