W SUPERIOR 48NM North of Ironwood, MI (45006)

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 39° F
Wind direction (W Dir): East (95 - 104 Degrees)
Wind Speed (W Spd): 1.9 kts (2.2 mph)
Wind Gust (W Spd): 3.9 kts (4.5 mph)
Dominant Wave Height (DWH): 0.00 ft
Dominant Wave Range (DWR): exactly 0.0 ft
Atmospheric Pressure (AP): 30.31 in
Pressure Tendency (PT): +0.02 in
Decreasing or steady, then increasing; or increasing, then increasing more rapidly

Updated: 5:50 AM CDT on May 05, 2015

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Current Wave Detail Observations

Water Depth: 640 ft
Wave Height: 0.13 ft
Spectral Peak Period:
Average Wave Period: 3.1 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 6:00 AM CDT on May 05, 2015

General Information

Location: 47.335 North -89.793 West
Buoy Type: 3-meter discus buoy
Buoy Hull: 3DV20
Payload: AMPS payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer
Sea Surface: Measured by Intake
Note: For Great Lakes marine forecasts, select: GREAT LAKES FORECASTS

Weather and Wave Data

Time Temp Humidity Wind Pressure
  Air
(°F)
Water
(°F)
  Dir Speed
(kts)
Speed
(mph)
Atmo.
(in)
Tend.
(in)
20:50 41 36
-
SW 5.8 6.7 30.24 +0.03
21:50 43 35
-
NNW 5.8 6.7 30.26 +0.05
22:50 40 35
-
North 3.9 4.5 30.27 +0.04
23:50 41 35
-
ESE 1.9 2.2 30.27 +0.03
00:50 43 35
-
ESE 1.9 2.2 30.28 +0.02
01:50 39 35
-
SSE 5.8 6.7 30.29 +0.02
02:50 39 35
-
South 7.8 8.9 30.29 +0.02
03:50 39 35
-
South 5.8 6.7 30.30 +0.02
04:50 40 35
-
NNE 3.9 4.5 30.30 +0.01
05:50 39 35
-
East 1.9 2.2 30.31 +0.02

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 640 ft 0.49 ft 2.5 sec 0.6 sec 2400 sec
21:00 640 ft 0.43 ft 2.5 sec 0.6 sec 2400 sec
22:00 640 ft 0.33 ft 2.5 sec 0.6 sec 2400 sec
23:00 640 ft 0.33 ft 2.5 sec 0.6 sec 2400 sec
00:00 640 ft 0.30 ft 2.6 sec 0.6 sec 2400 sec
01:00 640 ft 0.26 ft 2.6 sec 0.6 sec 2400 sec
02:00 640 ft 0.20 ft 2.6 sec 0.6 sec 2400 sec
03:00 640 ft 0.20 ft 3.0 sec 0.6 sec 2400 sec
05:00 640 ft 0.16 ft 3.1 sec 0.6 sec 2400 sec
06:00 640 ft 0.13 ft 3.1 sec 0.6 sec 2400 sec