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 3h 42m 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 - Nov 1942

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun3:060.63:050.79:310.210:320.27:225:50Third Quarter1Sun
2Mon3:560.63:570.710:400.211:270.17:235:49Third Quarter2Mon
3Tue4:480.74:530.711:400.27:255:48Waning Crescent3Tue
4Wed5:410.75:500.712:160.112:340.17:265:46Waning Crescent4Wed
5Thu6:320.86:440.71:010.11:240.17:275:45Waning Crescent5Thu
6Fri7:180.87:320.81:450.02:120.07:285:44Waning Crescent6Fri
7Sat8:010.98:190.82:290.03:020.07:295:43New Moon7Sat
8Sun8:450.99:050.83:150.03:52-0.17:305:42New Moon8Sun
9Mon9:300.99:530.84:02-0.14:42-0.17:325:41New Moon9Mon
10Tue10:180.910:450.84:50-0.15:32-0.17:335:40Waxing Crescent10Tue
11Wed11:100.911:420.85:39-0.16:22-0.17:345:39Waxing Crescent11Wed
12Thu12:070.96:290.07:140.07:355:38Waxing Crescent12Thu
13Fri12:440.71:090.87:240.08:120.07:365:37First Quarter13Fri
14Sat1:480.72:110.88:270.19:160.07:375:36First Quarter14Sat
15Sun2:490.73:100.89:390.110:210.07:395:35First Quarter15Sun
16Mon3:480.74:090.810:490.111:220.07:405:35First Quarter16Mon
17Tue4:470.75:080.711:530.17:415:34Waxing Gibbous17Tue
18Wed5:460.86:070.712:150.012:490.07:425:33Waxing Gibbous18Wed
19Thu6:400.87:000.71:040.01:390.07:435:32Waxing Gibbous19Thu
20Fri7:270.87:470.71:480.02:260.07:445:32Waxing Gibbous20Fri
21Sat8:100.88:310.72:310.03:110.07:465:31Full Moon21Sat
22Sun8:490.89:120.73:120.03:550.07:475:30Full Moon22Sun
23Mon9:260.89:530.73:530.04:370.07:485:30Full Moon23Mon
24Tue10:030.810:340.74:320.05:160.07:495:29Full Moon24Tue
25Wed10:400.811:170.65:110.05:550.07:505:29Waning Gibbous25Wed
26Thu11:170.75:470.16:320.07:515:28Waning Gibbous26Thu
27Fri12:020.611:56 AM0.76:240.17:100.17:525:28Waning Gibbous27Fri
28Sat12:500.612:400.77:010.17:510.17:535:27Waning Gibbous28Sat
29Sun1:390.61:280.77:450.28:400.17:545:27Third Quarter29Sun
30Mon2:270.62:170.68:410.29:370.17:555:27Third Quarter30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8515014)

Common Questions About Fire Island Light, NY Tides

Show All
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