Tides Today & Tomorrow in Marblehead, MA

TIDE TIMES for Friday, August 21, 2026
The tide is currently rising in Marblehead, MA.
Next low tide (tomorrow) : 1:22 am (1.4 ft)
Next high tide : in 6h 11m at 6:58 pm (8.5 ft)
Sunset today : 7:35 pm
Sunrise tomorrow : 5:56 am
Moon phase : First Quarter (65% illuminated)
Tide Station Location : Station #8442645
Common Questions About Tides

Marblehead, MA Tides - May 1937

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:228.94:017.99:490.710:001.75:387:42Waning Gibbous1Sat
2Sun4:108.84:517.910:370.810:521.75:367:43Third Quarter2Sun
3Mon5:028.65:448.011:280.911:481.65:357:44Third Quarter3Mon
4Tue6:008.66:408.312:220.85:347:45Third Quarter4Tue
5Wed6:598.67:358.712:461.41:160.75:327:47Waning Crescent5Wed
6Thu7:588.88:289.31:450.92:100.55:317:48Waning Crescent6Thu
7Fri8:559.19:1910.02:420.33:020.25:307:49Waning Crescent7Fri
8Sat9:509.410:1010.63:37-0.43:53-0.15:297:50Waning Crescent8Sat
9Sun10:449.711:0111.14:30-1.04:44-0.35:287:51New Moon9Sun
10Mon11:379.911:5211.55:23-1.55:35-0.65:267:52New Moon10Mon
11Tue12:2910.06:15-1.86:26-0.65:257:53New Moon11Tue
12Wed12:4311.71:2210.07:07-1.97:19-0.65:247:54Waxing Crescent12Wed
13Thu1:3611.62:179.98:00-1.88:13-0.45:237:55Waxing Crescent13Thu
14Fri2:3111.33:139.78:55-1.59:10-0.25:227:56Waxing Crescent14Fri
15Sat3:2910.94:119.59:52-1.110:100.25:217:57First Quarter15Sat
16Sun4:2910.35:129.410:49-0.611:120.55:207:58First Quarter16Sun
17Mon5:319.76:149.311:48-0.25:197:59First Quarter17Mon
18Tue6:369.27:159.212:170.712:480.25:188:00First Quarter18Tue
19Wed7:398.98:129.31:210.81:460.65:178:01Waxing Gibbous19Wed
20Thu8:398.69:049.32:230.72:390.85:168:02Waxing Gibbous20Thu
21Fri9:338.49:519.33:180.73:281.05:158:03Waxing Gibbous21Fri
22Sat10:228.310:339.34:070.64:131.25:148:04Waxing Gibbous22Sat
23Sun11:068.211:129.34:510.54:531.45:148:05Full Moon23Sun
24Mon11:458.111:489.25:300.55:301.55:138:06Full Moon24Mon
25Tue12:218.06:060.56:061.55:128:07Full Moon25Tue
26Wed12:229.212:568.06:420.56:431.55:118:08Full Moon26Wed
27Thu12:579.21:328.07:180.47:211.55:118:09Waning Gibbous27Thu
28Fri1:339.22:098.07:560.48:011.55:108:10Waning Gibbous28Fri
29Sat2:129.22:508.18:370.48:451.55:108:11Waning Gibbous29Sat
30Sun2:549.13:338.29:200.49:321.55:098:12Waning Gibbous30Sun
31Mon3:419.04:208.310:060.410:231.45:088:12Third Quarter31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8442645)

Common Questions About Marblehead, MA Tides

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What time does the tide turn (slack tide) in Marblehead, MA today?

Slack tide in Marblehead, MA is approximately 10:10 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 Marblehead, MA?

Marblehead, MA is currently in a transitional phase. Tonight's moon is 65% 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 Marblehead, MA 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 Marblehead, MA?

Tide predictions for Marblehead, MA 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 Marblehead, MA?

Tide data for Marblehead, MA is sourced from NOAA Station #8442645. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8442645.

What is the moon phase in Marblehead, MA tonight?

Tonight the moon over Marblehead, MA is First Quarter (65% illuminated). This places Marblehead, MA 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