SOUTH HATTERAS NM South of Cape Hatteras (41002)

Conditions for Tuesday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 70° F
Wind direction (W Dir): SW (215 - 224 Degrees)
Wind Speed (W Spd): 27.2 kts (31.3 mph)
Wind Gust (W Spd): 36.9 kts (42.5 mph)
Dominant Wave Period (DWP): 8 sec
Dominant Wave Height (DWH): 12.80 ft
Dominant Wave Range (DWR): exactly 12.8 ft
Wind Wave Period (WWP): 8 sec
Wind Wave Height (WWH): 13.12 ft
Wind Wave Range (WWR): 12.30 - 13.94 ft
Wave Swell Period (WSP): 15 sec
Wave Swell Height (WSH): 1.64 ft
Wave Swell Range (WSR): 0.82 - 2.46 ft
Atmospheric Pressure (AP): 29.63 in
Pressure Tendency (PT): -0.05 in
Decreasing, then steady; or decreasing, then decreasing more slowly

Updated: 7:50 PM EST on December 12, 2017

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Current Wave Detail Observations

Water Depth: 13058 ft
Wave Height: 11.22 ft
Spectral Peak Period: 7.7 sec
Average Wave Period: 6.3 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 7:00 PM EST on December 12, 2017

General Information

Location: 31.76 North -74.84 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D50
Payload: ARES payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer
Sea Surface: Measured by Intake
Note: Right whales are active off SC from November to April. Speed restrictions of 10 knots apply to vessels 65 feet or greater in specific areas and times along the U.S. East Coast. It is illegal to approach right whales within 500 yards. 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 67 76
-
WSW 11.7 13.4 6 3.94 exactly 3.9 6 3.28 2.46 - 4.10 8 3.28 2.46 - 4.10 30.08 +0.01
21:50 67 76
-
WSW 11.7 13.4 5 3.94 exactly 3.9 5 3.28 2.46 - 4.10 9 3.28 2.46 - 4.10 30.07 -0.01
22:50 67 76
-
WSW 13.6 15.7 8 3.61 exactly 3.6 5 3.28 2.46 - 4.10 8 1.64 0.82 - 2.46 30.06 -0.02
23:50 67 76
-
SW 13.6 15.7 6 3.94 exactly 3.9 6 3.28 2.46 - 4.10 8 1.64 0.82 - 2.46 30.03 -0.04
00:50 68 76
-
SW 13.6 15.7 6 3.94 exactly 3.9 6 3.28 2.46 - 4.10 8 1.64 0.82 - 2.46 30.01 -0.06
01:50 68 76
-
SW 15.6 17.9 6 3.94 exactly 3.9 6 3.28 2.46 - 4.10 8 1.64 0.82 - 2.46 29.99 -0.06
02:50 68 76
-
SW 15.6 17.9 6 4.27 exactly 4.3 6 3.28 2.46 - 4.10 12 1.64 0.82 - 2.46 29.97 -0.06
03:50 68 76
-
SW 17.5 20.1 6 4.27 exactly 4.3 6 3.28 2.46 - 4.10 10 1.64 0.82 - 2.46 29.95 -0.06
04:50 68 76
-
SW 19.4 22.4 6 4.59 exactly 4.6 6 4.92 4.10 - 5.74 8 1.64 0.82 - 2.46 29.94 -0.05
05:50 68 76
-
SW 19.4 22.4 5 4.59 exactly 4.6 5 4.92 4.10 - 5.74 10 1.64 0.82 - 2.46 29.94 -0.02
06:50 69 75
-
SW 19.4 22.4 5 5.25 exactly 5.2 5 4.92 4.10 - 5.74 10 1.64 0.82 - 2.46 29.94 -0.02
08:50 69 75
-
SW 19.4 22.4 6 5.58 exactly 5.6 6 4.92 4.10 - 5.74 9 1.64 0.82 - 2.46 29.91 -0.03
10:50 70 75
-
SW 21.4 24.6 6 5.91 exactly 5.9 6 6.56 5.74 - 7.38 11 1.64 0.82 - 2.46 29.86 -0.06
11:50 70 75
-
SW 23.3 26.8 7 6.56 exactly 6.6 7 6.56 5.74 - 7.38 9 1.64 0.82 - 2.46 29.82 -0.09
12:50 70 75
-
SW 21.4 24.6 6 6.56 exactly 6.6 6 6.56 5.74 - 7.38 9 1.64 0.82 - 2.46 29.77 -0.13
13:50 70 75
-
SSW 25.3 29.1 7 7.55 exactly 7.5 7 8.20 7.38 - 9.02 12 1.64 0.82 - 2.46 29.73 -0.14
14:50 70 75
-
SW 27.2 31.3 7 7.55 exactly 7.5 7 8.20 7.38 - 9.02 11 1.64 0.82 - 2.46 29.70 -0.12
15:50 70 75
-
SW 27.2 31.3 7 8.86 exactly 8.9 7 8.20 7.38 - 9.02 - - - 29.69 -0.08
16:50 71 75
-
SW 27.2 31.3 8 9.19 exactly 9.2 8 9.84 9.02 - 10.66 - - - 29.68 -0.05
17:50 71 75
-
SW 29.2 33.6 7 10.50 exactly 10.5 7 9.84 9.02 - 10.66 16 1.64 0.82 - 2.46 29.65 -0.05
19:50 70 75
-
SW 27.2 31.3 8 12.80 exactly 12.8 8 13.12 12.30 - 13.94 15 1.64 0.82 - 2.46 29.63 -0.05

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 13058 ft 3.71 ft 8.3 sec 5.3 sec 0.6 sec 2400 sec
21:00 13058 ft 4.00 ft 5.6 sec 5.2 sec 0.6 sec 2400 sec
22:00 13058 ft 3.81 ft 5.3 sec 5.1 sec 0.6 sec 2400 sec
00:00 13058 ft 3.77 ft 5.9 sec 4.9 sec 0.6 sec 2400 sec
03:00 13058 ft 4.27 ft 5.9 sec 4.8 sec 0.6 sec 2400 sec
05:00 13058 ft 4.53 ft 5.9 sec 4.7 sec 0.6 sec 2400 sec
08:00 13058 ft 5.22 ft 5.6 sec 4.8 sec 0.6 sec 2400 sec
09:00 13058 ft 5.61 ft 6.3 sec 4.9 sec 0.6 sec 2400 sec
11:00 13058 ft 6.04 ft 6.3 sec 5.0 sec 0.6 sec 2400 sec
12:00 13058 ft 6.43 ft 6.7 sec 5.0 sec 0.6 sec 2400 sec
14:00 13058 ft 7.51 ft 6.7 sec 5.5 sec 0.6 sec 2400 sec
15:00 13058 ft 7.71 ft 6.7 sec 5.4 sec 0.6 sec 2400 sec
16:00 13058 ft 9.02 ft 7.1 sec 5.8 sec 0.6 sec 2400 sec
18:00 13058 ft 10.50 ft 7.1 sec 6.3 sec 0.6 sec 2400 sec
19:00 13058 ft 11.22 ft 7.7 sec 6.3 sec 0.6 sec 2400 sec