S HATTERAS NM East of Charleston, SC (41002)

Conditions for Wednesday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 70° F
Humidity: 66
Wind direction (W Dir): WSW (235 - 244 Degrees)
Wind Speed (W Spd): 15.6 kts (17.9 mph)
Wind Gust (W Spd): 17.5 kts (20.1 mph)
Dominant Wave Period (DWP): 7 sec
Dominant Wave Height (DWH): 6.56 ft
Dominant Wave Range (DWR): exactly 6.6 ft
Wind Wave Period (WWP): 7 sec
Wind Wave Height (WWH): 6.56 ft
Wind Wave Range (WWR): 5.74 - 7.38 ft
Atmospheric Pressure (AP): 29.94 in
Pressure Tendency (PT): -0.04 in
Steady or increasing, then decreasing; or decreasing, then decreasing more rapidly

Updated: 3:50 AM EDT on April 01, 2015

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Current Wave Detail Observations

Water Depth: 14098 ft
Wave Height: 6.46 ft
Spectral Peak Period: 7.1 sec
Average Wave Period: 5.6 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 4:00 AM EDT on April 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 69 69 62 WSW 17.5 20.1 6 4.59 exactly 4.6 6 4.92 4.10 - 5.74 11 1.64 0.82 - 2.46 30.00 -
21:50 69 69 65 SW 15.6 17.9 - - - - - - 30.00 +0.01
22:50 70 68 55 WSW 17.5 20.1 7 5.25 exactly 5.2 7 4.92 4.10 - 5.74 9 1.64 0.82 - 2.46 29.99 -
23:50 69 68 61 WSW 17.5 20.1 6 5.58 exactly 5.6 6 4.92 4.10 - 5.74 11 1.64 0.82 - 2.46 29.98 -0.02
00:50 69 68 64 WSW 17.5 20.1 7 6.89 exactly 6.9 7 6.56 5.74 - 7.38 10 1.64 0.82 - 2.46 29.98 -0.02
01:50 70 68 62 WSW 17.5 20.1 7 6.23 exactly 6.2 7 6.56 5.74 - 7.38 10 1.64 0.82 - 2.46 29.97 -0.02
02:50 70 68 63 WSW 17.5 20.1 7 5.91 exactly 5.9 7 6.56 5.74 - 7.38 12 1.64 0.82 - 2.46 29.96 -0.01
03:50 70 68 66 WSW 15.6 17.9 7 6.56 exactly 6.6 7 6.56 5.74 - 7.38 - - - 29.94 -0.04

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 14098 ft 5.02 ft 6.7 sec 5.1 sec 0.6 sec 2400 sec
21:00 14098 ft 4.76 ft 5.9 sec 4.9 sec 0.6 sec 2400 sec
23:00 14098 ft 5.12 ft 6.7 sec 5.0 sec 0.6 sec 2400 sec
00:00 14098 ft 5.74 ft 6.3 sec 5.3 sec 0.6 sec 2400 sec
02:00 14098 ft 6.14 ft 6.7 sec 5.4 sec 0.6 sec 2400 sec
03:00 14098 ft 6.07 ft 7.1 sec 5.5 sec 0.6 sec 2400 sec
04:00 14098 ft 6.46 ft 7.1 sec 5.6 sec 0.6 sec 2400 sec