LONG ISLAND NM South of Islip, NY (44025)

Conditions for Thursday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 77° F
Wind direction (W Dir): West (265 - 274 Degrees)
Wind Speed (W Spd): 1.9 kts (2.2 mph)
Wind Gust (W Spd): 1.9 kts (2.2 mph)
Dominant Wave Period (DWP): 7 sec
Dominant Wave Height (DWH): 3.61 ft
Dominant Wave Range (DWR): exactly 3.6 ft
Wind Wave Period (WWP): 3 sec
Wind Wave Height (WWH): 1.64 ft
Wind Wave Range (WWR): 0.82 - 2.46 ft
Wave Swell Period (WSP): 7 sec
Wave Swell Height (WSH): 3.28 ft
Wave Swell Range (WSR): 2.46 - 4.10 ft
Atmospheric Pressure (AP): 29.87 in
Pressure Tendency (PT): -0.01 in
Decreasing, then steady; or decreasing, then decreasing more slowly

Updated: 6:50 PM EDT on July 18, 2019

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Current Wave Detail Observations

Water Depth: 118 ft
Wave Height: 3.48 ft
Spectral Peak Period: 7.1 sec
Average Wave Period: 5.3 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 7:00 PM EDT on July 18, 2019

General Information

Location: 40.251 North -73.164 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3DV12
Payload: ARES payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer
Sea Surface: Measured by Intake
Note: Right whales are active off NY from November to April.  Speed restrictions of 10 knots apply to vessels 65 feet or greater in specific areas along the mid-Atlantic coast.  To learn more about right whales and rules protecting them, go to: http://www.nmfs.noaa.gov/pr/shipstrike

Weather and Wave Data

Time Temp Humidity Wind Dominant Wave Wind Wave Wave Swell Pressure
  Air
(°F)
Water
(°F)
  Dir Speed
(kts)
Speed
(mph)
Period
(sec)
Height
(ft)
Range
(ft)
Period
(sec)
Height
(ft)
Range
(ft)
Period
(sec)
Height
(ft)
Range
(ft)
Atmo.
(in)
Tend.
(in)
20:50 77 73
-
SSW 17.5 20.1 5 3.94 exactly 3.9 5 3.28 2.46 - 4.10 9 1.64 0.82 - 2.46 29.87 -
21:50 76 73
-
SSW 11.7 13.4 6 3.61 exactly 3.6 6 3.28 2.46 - 4.10 6 1.64 0.82 - 2.46 29.89 +0.03
23:50 73 73
-
NNW 9.7 11.2 5 2.95 exactly 3.0 4 1.64 0.82 - 2.46 5 3.28 2.46 - 4.10 29.92 +0.06
01:50 74 73
-
SSE 5.8 6.7 5 2.62 exactly 2.6 4 1.64 0.82 - 2.46 5 1.64 0.82 - 2.46 29.90 -0.02
02:50 74 73
-
South 9.7 11.2 5 2.62 exactly 2.6 4 1.64 0.82 - 2.46 5 1.64 0.82 - 2.46 29.91 -0.01
03:50 75 73
-
SSW 11.7 13.4 6 2.62 exactly 2.6 6 1.64 0.82 - 2.46 8 1.64 0.82 - 2.46 29.91 +0.01
04:50 74 73
-
SSW 7.8 8.9 6 2.95 exactly 3.0 4 1.64 0.82 - 2.46 6 3.28 2.46 - 4.10 29.90 -
06:50 74 73
-
SSW 5.8 6.7 6 2.95 exactly 3.0 4 1.64 0.82 - 2.46 6 3.28 2.46 - 4.10 29.91 -
07:50 74 73
-
SW 3.9 4.5 6 3.61 exactly 3.6 4 1.64 0.82 - 2.46 6 3.28 2.46 - 4.10 29.92 +0.02
08:50 75 73
-
South 1.9 2.2 6 4.27 exactly 4.3 4 1.64 0.82 - 2.46 6 3.28 2.46 - 4.10 29.93 +0.03
09:50 76 73
-
South 1.9 2.2 6 4.27 exactly 4.3 4 1.64 0.82 - 2.46 6 3.28 2.46 - 4.10 29.92 +0.01
11:50 76 74
-
SSE 5.8 6.7 6 3.61 exactly 3.6 4 1.64 0.82 - 2.46 6 3.28 2.46 - 4.10 29.90 -0.02
12:50 76 74
-
East 3.9 4.5 6 3.61 exactly 3.6 4 1.64 0.82 - 2.46 6 3.28 2.46 - 4.10 29.91 -0.02
15:50 78 76
-
SSW 3.9 4.5 7 3.28 exactly 3.3 4 1.64 0.82 - 2.46 7 3.28 2.46 - 4.10 29.88 -0.03
16:50 78 76
-
South 3.9 4.5 6 3.28 exactly 3.3 4 1.64 0.82 - 2.46 6 3.28 2.46 - 4.10 29.86 -0.03
17:50 77 76
-
SSW 3.9 4.5 7 3.28 exactly 3.3 4 1.64 0.82 - 2.46 7 3.28 2.46 - 4.10 29.87 -0.01
18:50 77 76
-
West 1.9 2.2 7 3.61 exactly 3.6 3 1.64 0.82 - 2.46 7 3.28 2.46 - 4.10 29.87 -0.01

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 118 ft 3.54 ft 4.5 sec 4.0 sec 0.6 sec 2400 sec
21:00 118 ft 3.87 ft 4.5 sec 4.1 sec 0.6 sec 2400 sec
23:00 118 ft 3.35 ft 5.0 sec 4.1 sec 0.6 sec 2400 sec
02:00 118 ft 2.76 ft 5.3 sec 4.2 sec 0.6 sec 2400 sec
03:00 118 ft 2.49 ft 5.0 sec 4.3 sec 0.6 sec 2400 sec
05:00 118 ft 2.95 ft 6.3 sec 4.5 sec 0.6 sec 2400 sec
07:00 118 ft 3.02 ft 5.9 sec 4.5 sec 0.6 sec 2400 sec
08:00 118 ft 3.71 ft 5.9 sec 4.8 sec 0.6 sec 2400 sec
12:00 118 ft 3.64 ft 6.3 sec 4.8 sec 0.6 sec 2400 sec
15:00 118 ft 3.05 ft 6.7 sec 4.9 sec 0.6 sec 2400 sec
16:00 118 ft 3.35 ft 6.7 sec 5.1 sec 0.6 sec 2400 sec
17:00 118 ft 3.22 ft 6.3 sec 5.0 sec 0.6 sec 2400 sec
18:00 118 ft 3.25 ft 6.7 sec 5.1 sec 0.6 sec 2400 sec
19:00 118 ft 3.48 ft 7.1 sec 5.3 sec 0.6 sec 2400 sec