Tides Today & Tomorrow in Portsmouth, Melville, RI

TIDE TIMES for Friday, June 12, 2026
The tide is currently falling in Portsmouth, Melville, RI.
Next low tide : in 6m at 11:02 am (-0.2 ft)
Next high tide : 6:19 pm (4.8 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:10 am
Moon phase : Waning Crescent (9% illuminated)
Tide Station Location : Station #8452555
Common Questions About Tides

Portsmouth, Melville, RI Tides - Dec 2028

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri6:524.17:163.512:510.06:534:15Full Moon1Fri
2Sat7:314.27:583.612:23-0.11:320.06:544:15Full Moon2Sat
3Sun8:124.28:423.61:06-0.22:120.06:554:15Full Moon3Sun
4Mon8:574.29:293.61:49-0.22:490.06:564:15Waning Gibbous4Mon
5Tue9:444.210:193.62:34-0.13:270.06:564:15Waning Gibbous5Tue
6Wed10:364.111:133.73:20-0.14:080.16:574:15Waning Gibbous6Wed
7Thu11:303.94:100.14:540.16:584:15Third Quarter7Thu
8Fri12:093.812:273.85:100.35:500.26:594:15Third Quarter8Fri
9Sat1:053.91:243.76:260.46:540.27:004:15Third Quarter9Sat
10Sun2:024.12:233.58:040.48:000.17:014:15Third Quarter10Sun
11Mon3:034.33:273.59:270.39:000.07:024:15Waning Crescent11Mon
12Tue4:064.54:323.610:280.19:54-0.17:034:15Waning Crescent12Tue
13Wed5:074.65:313.711:200.010:43-0.27:034:15Waning Crescent13Wed
14Thu6:024.86:253.812:08-0.17:044:15New Moon14Thu
15Fri6:534.87:153.912:56-0.17:054:16New Moon15Fri
16Sat7:424.88:034.012:19-0.31:40-0.17:054:16New Moon16Sat
17Sun8:294.68:503.91:07-0.32:19-0.17:064:16New Moon17Sun
18Mon9:154.49:373.81:54-0.22:530.07:074:17Waxing Crescent18Mon
19Tue10:014.010:253.62:390.03:260.17:074:17Waxing Crescent19Tue
20Wed10:463.711:133.43:230.24:000.27:084:17Waxing Crescent20Wed
21Thu11:323.44:070.44:370.37:084:18Waxing Crescent21Thu
22Fri12:013.312:163.14:560.65:200.47:094:18First Quarter22Fri
23Sat12:473.212:592.95:570.86:090.57:094:19First Quarter23Sat
24Sun1:313.11:442.77:150.97:040.57:104:20First Quarter24Sun
25Mon2:173.12:322.68:340.88:000.57:104:20First Quarter25Mon
26Tue3:083.13:292.69:350.78:550.47:104:21Waxing Gibbous26Tue
27Wed4:043.24:282.710:240.59:460.27:104:22Waxing Gibbous27Wed
28Thu4:573.45:212.911:080.310:330.07:114:22Waxing Gibbous28Thu
29Fri5:443.76:073.111:500.111:18-0.27:114:23Waxing Gibbous29Fri
30Sat6:283.96:523.412:33-0.17:114:24Full Moon30Sat
31Sun7:114.17:073.512:04-0.31:16-0.37:114:25Full Moon31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8452555)

Common Questions About Portsmouth, Melville, RI Tides

Show All
What time does the tide turn (slack tide) in Portsmouth, Melville, RI today?

Slack tide in Portsmouth, Melville, RI is approximately 2:40 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 Portsmouth, Melville, RI?

Portsmouth, Melville, RI is currently in a spring phase. Tonight's moon is 9% 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 Portsmouth, Melville, RI 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 Portsmouth, Melville, RI?

Tide predictions for Portsmouth, Melville, RI 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 Portsmouth, Melville, RI?

Tide data for Portsmouth, Melville, RI is sourced from NOAA Station #8452555. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8452555.

What is the moon phase in Portsmouth, Melville, RI tonight?

Tonight the moon over Portsmouth, Melville, RI is Waning Crescent (9% illuminated). This places Portsmouth, Melville, RI 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