EasyTides

Harry Tappen Marina Tides Today

Near Sea Cliff · Hempstead Harbor · Nassau County, NY · NOAA 8516607

Right nowFri Nov 6
Next tide
Today66°SW 6 mph · Heavy rain
2:58 AM0.2 ft9:04 AM8.3 ft3:32 PM-0.4 ft9:36 PM7.5 ft
  1. Low2:58AM0.2 ft
  2. High9:04AM8.3 ft
  3. Low3:32PM-0.4 ft
  4. High9:36PM7.5 ft

Local Eastern time. Heights in feet above average low water (MLLW). Shaded bands are today's best fishing windows.

Fishing Outlook

The low tide at 3:32 PM lands near sunset, and the tides are among the strongest this week.

Best Windows Today

  • 8:04 to 10:04 AMaround high tide
  • 2:32 to 4:32 PMaround low tide

Solunar Times

  • Minor3:18 to 4:18 AMmoonrise
  • Major8:33 to 10:33 AMmoon overhead
  • Minor2:38 to 3:38 PMmoonset
  • Major8:55 to 10:55 PMmoon underfoot

Major periods are the two hours around the moon overhead or underfoot. Minor periods are the hour around moonrise and moonset.

Fishing here? See New York fishing rules from the New York State Department of Environmental Conservation.

Weather and Wind

  • TodayHigh 66°Heavy rain 97% rainSW 6 mph
  • TonightLow 57°Chance t-storms 49% rainNW 3 to 7 mph
  • SaturdayHigh 63°Mostly sunny 14% rainW 7 to 17 mph

Boating Forecast

Long Island Sound West of New Haven CT/Port Jefferson NY · issued Fri 3:01 AM

Today
S winds 5 to 10 kt. Seas 1 ft or less. Rain and chance of tstms.
Tonight
W winds around 5 kt. Seas 1 ft or less. Chance of rain, mainly in the evening.
Sat
NW winds around 5 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 ft or less. Wave Detail: W 1 ft at 2 seconds. Slight chance of rain in the afternoon.

From the National Weather Service. Arrows point the way the wind blows.

DayFishingHigh TidesLow TidesMoon
SaturdayNov 7Good9:46 AM 8.4 ft10:18 PM 7.5 ft3:43 AM 0.2 ft4:17 PM -0.5 ft
SundayNov 8Good10:23 AM 8.4 ft10:57 PM 7.4 ft4:24 AM 0.2 ft4:59 PM -0.5 ft
MondayNov 9Good10:58 AM 8.3 ft11:33 PM 7.3 ft5:03 AM 0.4 ft5:38 PM -0.4 ft
TuesdayNov 10Good11:32 AM 8.1 ft5:39 AM 0.5 ft6:16 PM -0.2 ft
WednesdayNov 11Good12:08 AM 7.1 ft12:06 PM 7.9 ft6:12 AM 0.7 ft6:51 PM 0.0 ft
ThursdayNov 12Good12:42 AM 6.9 ft12:42 PM 7.7 ft6:45 AM 0.9 ft7:25 PM 0.3 ft
FridayNov 13Good1:17 AM 6.7 ft1:21 PM 7.4 ft7:21 AM 1.1 ft8:01 PM 0.6 ft

About the Tides at Harry Tappen Marina

Harry Tappen Marina gets two high tides and two low tides most days, both about the same size. On a typical day the water rises and falls about 7.4 feet.

Over the next two weeks the biggest tides come on Saturday, November 7, when the water moves about 8.9 feet. The lowest water is -0.5 ft on Saturday, November 7 at 4:17 PM, and the highest is 8.4 ft on Saturday, November 7 at 9:46 AM. A minus tide like that uncovers the most beach, flats and tide pools.

NOAA predicts the tides here from years of measurements at station 8516607.

Official NOAA prediction for station 8516607, Harry Tappen Marina, Hempstead Harbor. Updated Fri, 06 Nov 2026 17:46 GMT.