Tides Today & Tomorrow in Fire Island Light, NY

TIDE TIMES for Friday, August 21, 2026
The tide is currently rising in Fire Island Light, NY.
Next low tide : 11:30 pm (0.2 ft)
Next high tide : in 5h 12m at 4:07 pm (0.7 ft)
Sunset today : 7:42 pm
Sunrise tomorrow : 6:09 am
Moon phase : First Quarter (65% illuminated)
Tide Station Location : Station #8515014
Common Questions About Tides

Fire Island Light, NY Tides - Jan 1943

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri4:140.74:260.611:280.111:430.08:165:35Waning Crescent1Fri
2Sat5:140.75:340.612:300.08:165:36Waning Crescent2Sat
3Sun6:150.86:400.612:390.01:270.08:165:37Waning Crescent3Sun
4Mon7:130.87:380.71:34-0.12:22-0.18:165:38Waning Crescent4Mon
5Tue8:070.98:330.72:28-0.13:17-0.28:165:39New Moon5Tue
6Wed8:580.99:260.73:23-0.14:11-0.28:165:40New Moon6Wed
7Thu9:500.910:200.74:18-0.25:02-0.28:165:41New Moon7Thu
8Fri10:430.911:150.75:12-0.25:52-0.28:165:42Waxing Crescent8Fri
9Sat11:370.96:03-0.16:40-0.28:165:43Waxing Crescent9Sat
10Sun12:120.712:330.86:55-0.17:29-0.18:165:44Waxing Crescent10Sun
11Mon1:100.71:290.77:500.08:21-0.18:165:45First Quarter11Mon
12Tue2:050.72:230.78:500.09:170.08:155:46First Quarter12Tue
13Wed2:580.73:160.69:560.010:140.08:155:47First Quarter13Wed
14Thu3:500.74:090.611:000.111:100.08:155:48First Quarter14Thu
15Fri4:430.75:050.611:590.18:145:49Waxing Gibbous15Fri
16Sat5:380.76:030.612:010.012:510.08:145:50Waxing Gibbous16Sat
17Sun6:310.76:570.612:490.01:390.08:145:51Waxing Gibbous17Sun
18Mon7:190.77:450.61:340.02:240.08:135:53Waxing Gibbous18Mon
19Tue8:020.78:280.62:180.03:070.08:135:54Full Moon19Tue
20Wed8:410.79:090.63:010.03:490.08:125:55Full Moon20Wed
21Thu9:180.79:480.63:440.04:30-0.18:115:56Full Moon21Thu
22Fri9:530.710:260.64:260.05:08-0.18:115:57Full Moon22Fri
23Sat10:270.711:030.65:050.05:43-0.18:105:58Waning Gibbous23Sat
24Sun11:010.711:410.65:410.06:160.08:096:00Waning Gibbous24Sun
25Mon11:350.76:170.06:480.08:096:01Waning Gibbous25Mon
26Tue12:200.612:150.66:540.07:220.08:086:02Waning Gibbous26Tue
27Wed1:030.61:030.67:360.08:010.08:076:03Third Quarter27Wed
28Thu1:510.61:570.68:320.18:530.08:066:04Third Quarter28Thu
29Fri2:430.62:550.69:440.19:590.08:066:06Third Quarter29Fri
30Sat3:390.73:580.610:590.011:100.08:056:07Third Quarter30Sat
31Sun4:420.75:080.612:070.08:046:08Waning Crescent31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8515014)

Common Questions About Fire Island Light, NY Tides

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What time does the tide turn (slack tide) in Fire Island Light, NY today?

Slack tide in Fire Island Light, NY is approximately 7:48 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 Fire Island Light, NY?

Fire Island Light, NY 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 Fire Island Light, NY 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 Fire Island Light, NY?

Tide predictions for Fire Island Light, NY 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 Fire Island Light, NY?

Tide data for Fire Island Light, NY is sourced from NOAA Station #8515014. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8515014.

What is the moon phase in Fire Island Light, NY tonight?

Tonight the moon over Fire Island Light, NY is First Quarter (65% illuminated). This places Fire Island Light, NY 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