S HATTERAS NM East of Charleston, SC (41002)

Conditions for Saturday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 81° F
Humidity: 67
Wind direction (W Dir): WSW (235 - 244 Degrees)
Wind Speed (W Spd): 17.5 kts (20.1 mph)
Wind Gust (W Spd): 21.4 kts (24.6 mph)
Dominant Wave Period (DWP): 7 sec
Dominant Wave Height (DWH): 7.22 ft
Dominant Wave Range (DWR): exactly 7.2 ft
Wind Wave Period (WWP): 7 sec
Wind Wave Height (WWH): 6.56 ft
Wind Wave Range (WWR): 5.74 - 7.38 ft
Wave Swell Period (WSP): 12 sec
Wave Swell Height (WSH): 1.64 ft
Wave Swell Range (WSR): 0.82 - 2.46 ft
Atmospheric Pressure (AP): 29.99 in
Pressure Tendency (PT): -0.01 in
Decreasing, then steady; or decreasing, then decreasing more slowly

Updated: 6:50 AM EDT on August 01, 2015

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Current Wave Detail Observations

Water Depth: 14098 ft
Wave Height: 7.09 ft
Spectral Peak Period: 7.1 sec
Average Wave Period: 5.5 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 7:00 AM EDT on August 01, 2015

General Information

Location: 31.862 North -74.835 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D70
Payload: AMPS payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer
Sea Surface: Measured by Intake
Note:

 

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 82 81 73 WSW 17.5 20.1 8 7.22 exactly 7.2 8 6.56 5.74 - 7.38 14 1.64 0.82 - 2.46 29.98 +0.01
21:50 82 81 70 WSW 17.5 20.1 8 7.55 exactly 7.5 8 8.20 7.38 - 9.02 - - - 29.99 +0.01
22:50 82 81 68 WSW 17.5 20.1 7 6.89 exactly 6.9 7 6.56 5.74 - 7.38 13 1.64 0.82 - 2.46 30.02 +0.04
23:50 82 81 67 WSW 15.6 17.9 7 6.56 exactly 6.6 7 6.56 5.74 - 7.38 - - - 30.03 +0.05
00:50 82 81 68 WSW 15.6 17.9 8 6.23 exactly 6.2 8 6.56 5.74 - 7.38 - - - 30.03 +0.04
01:50 82 81 68 SW 15.6 17.9 7 5.91 exactly 5.9 7 4.92 4.10 - 5.74 12 1.64 0.82 - 2.46 30.01 -0.01
02:50 82 81 72 SW 15.6 17.9 7 5.91 exactly 5.9 7 4.92 4.10 - 5.74 8 3.28 2.46 - 4.10 30.01 -0.02
03:50 82 81 73 SW 17.5 20.1 8 5.58 exactly 5.6 8 4.92 4.10 - 5.74 - - - 30.00 -0.03
04:50 80 81 72 WSW 25.3 29.1 7 6.89 exactly 6.9 7 6.56 5.74 - 7.38 12 1.64 0.82 - 2.46 29.99 -0.02
05:50 80 81 69 WSW 21.4 24.6 7 7.22 exactly 7.2 7 6.56 5.74 - 7.38 - - - 29.98 -0.03
06:50 81 81 67 WSW 17.5 20.1 7 7.22 exactly 7.2 7 6.56 5.74 - 7.38 12 1.64 0.82 - 2.46 29.99 -0.01

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 14098 ft 7.58 ft 7.7 sec 5.9 sec 0.6 sec 2400 sec
21:00 14098 ft 7.32 ft 7.7 sec 5.7 sec 0.6 sec 2400 sec
22:00 14098 ft 7.61 ft 7.7 sec 5.8 sec 0.6 sec 2400 sec
23:00 14098 ft 6.82 ft 7.1 sec 5.7 sec 0.6 sec 2400 sec
00:00 14098 ft 6.66 ft 7.1 sec 5.7 sec 0.6 sec 2400 sec
01:00 14098 ft 6.20 ft 7.7 sec 5.6 sec 0.6 sec 2400 sec
02:00 14098 ft 5.94 ft 6.7 sec 5.3 sec 0.6 sec 2400 sec
03:00 14098 ft 5.81 ft 6.7 sec 5.3 sec 0.6 sec 2400 sec
04:00 14098 ft 5.61 ft 7.7 sec 5.4 sec 0.6 sec 2400 sec
05:00 14098 ft 6.99 ft 7.1 sec 5.4 sec 0.6 sec 2400 sec
06:00 14098 ft 7.32 ft 6.7 sec 5.4 sec 0.6 sec 2400 sec
07:00 14098 ft 7.09 ft 7.1 sec 5.5 sec 0.6 sec 2400 sec