GRAYS REEF NM Southeast of Savannah, GA (41008)

Conditions for Saturday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 75° F
Humidity: 72
Wind direction (W Dir): ENE (55 - 64 Degrees)
Wind Speed (W Spd): 19.4 kts (22.4 mph)
Wind Gust (W Spd): 21.4 kts (24.6 mph)
Dominant Wave Period (DWP): 5 sec
Dominant Wave Height (DWH): 4.59 ft
Dominant Wave Range (DWR): exactly 4.6 ft
Wind Wave Period (WWP): 5 sec
Wind Wave Height (WWH): 4.92 ft
Wind Wave Range (WWR): 4.10 - 5.74 ft
Wave Swell Period (WSP): 8 sec
Wave Swell Height (WSH): 1.64 ft
Wave Swell Range (WSR): 0.82 - 2.46 ft
Atmospheric Pressure (AP): 30.21 in
Pressure Tendency (PT): -0.03 in
Steady or increasing, then decreasing; or decreasing, then decreasing more rapidly

Updated: 2:50 PM EDT on October 21, 2017

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Current Wave Detail Observations

Water Depth: 59 ft
Wave Height: 4.49 ft
Spectral Peak Period: 5.0 sec
Average Wave Period: 4.6 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 3:00 PM EDT on October 21, 2017

General Information

Location: 31.4 North -80.868 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3D64
Payload: AMPS payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer
Sea Surface: Measured by Intake
Note: This buoy is located in Gray's Reef National Marine Sanctuary Station 41008 has stopped transmitting at 00Z 04/02/16. The southern third of NOAA's 22-square mile Gray's Reef National Marine Sanctuary has be designated a research area specifically designed for conducting controlled scientific studies where human activities cannot affect the results. Fishing and diving will be prohibited in the lightly used, 8-square mile research area. Vessels are permitted to travel through it without stopping. For complete information, go to the Gray's Reef website at graysreef.noaa.gov  
LINK TO PMEL's pCO2 SITE for their data on this Station:
http://www.pmel.noaa.gov/co2/story/Grays+Reef

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 76 77 47 ENE 11.7 13.4 9 3.61 exactly 3.6 4 1.64 0.82 - 2.46 9 3.28 2.46 - 4.10 30.17 +0.01
21:50 76 77 49 East 11.7 13.4 9 3.61 exactly 3.6 5 1.64 0.82 - 2.46 9 3.28 2.46 - 4.10 30.18 +0.02
22:50 76 77 56 East 13.6 15.7 9 3.28 exactly 3.3 5 1.64 0.82 - 2.46 9 3.28 2.46 - 4.10 30.18 +0.01
23:50 76 77 57 East 13.6 15.7 9 3.28 exactly 3.3 5 1.64 0.82 - 2.46 9 3.28 2.46 - 4.10 30.19 +0.02
00:50 76 77 61 ENE 13.6 15.7 9 2.95 exactly 3.0 7 1.64 0.82 - 2.46 9 1.64 0.82 - 2.46 30.18 -
03:50 76 77 63 ENE 13.6 15.7 9 3.61 exactly 3.6 6 3.28 2.46 - 4.10 9 3.28 2.46 - 4.10 30.16 -0.02
04:50 77 77 49 ESE 11.7 13.4 8 3.61 exactly 3.6 5 3.28 2.46 - 4.10 8 3.28 2.46 - 4.10 30.17 -0.01
05:50 77 77 51 ESE 9.7 11.2 8 3.61 exactly 3.6 4 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 30.17 +0.01
06:50 78 77 50 East 11.7 13.4 8 3.61 exactly 3.6 4 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 30.19 +0.03
07:50 77 77 51 ENE 9.7 11.2 9 3.61 exactly 3.6 4 1.64 0.82 - 2.46 9 3.28 2.46 - 4.10 30.19 +0.03
08:50 76 77 64 NE 15.6 17.9 8 3.28 exactly 3.3 6 3.28 2.46 - 4.10 8 1.64 0.82 - 2.46 30.22 +0.04
09:50 76 77 64 NE 17.5 20.1 8 3.61 exactly 3.6 4 3.28 2.46 - 4.10 8 1.64 0.82 - 2.46 30.22 +0.04
10:50 75 77 68 NE 17.5 20.1 8 3.94 exactly 3.9 4 3.28 2.46 - 4.10 8 1.64 0.82 - 2.46 30.23 +0.04
11:50 76 77 66 ENE 17.5 20.1 4 3.94 exactly 3.9 4 3.28 2.46 - 4.10 8 1.64 0.82 - 2.46 30.24 +0.02
12:50 75 77 72 ENE 17.5 20.1 5 4.27 exactly 4.3 5 3.28 2.46 - 4.10 8 1.64 0.82 - 2.46 30.24 +0.01
13:50 75 77 72 ENE 17.5 20.1 5 4.27 exactly 4.3 5 3.28 2.46 - 4.10 9 1.64 0.82 - 2.46 30.22 -0.01
14:50 75 77 72 ENE 19.4 22.4 5 4.59 exactly 4.6 5 4.92 4.10 - 5.74 8 1.64 0.82 - 2.46 30.21 -0.03

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
22:00 59 ft 3.58 ft 9.1 sec 5.1 sec 0.6 sec 2400 sec
01:00 59 ft 3.05 ft 9.1 sec 5.0 sec 0.6 sec 2400 sec
02:00 59 ft 3.12 ft 9.1 sec 4.7 sec 0.6 sec 2400 sec
04:00 59 ft 3.77 ft 9.1 sec 4.7 sec 0.6 sec 2400 sec
06:00 59 ft 3.61 ft 8.3 sec 4.8 sec 0.6 sec 2400 sec
07:00 59 ft 3.71 ft 8.3 sec 5.0 sec 0.6 sec 2400 sec
15:00 59 ft 4.49 ft 5.0 sec 4.6 sec 0.6 sec 2400 sec