Seal Rocks 55NM South of Valdez, AK (46061)

Conditions for Wednesday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 55° F
Wind direction (W Dir): SE (135 - 144 Degrees)
Wind Speed (W Spd): 7.8 kts (8.9 mph)
Wind Gust (W Spd): 7.8 kts (8.9 mph)
Dominant Wave Period (DWP): 5 sec
Dominant Wave Height (DWH): 1.64 ft
Dominant Wave Range (DWR): exactly 1.6 ft
Wave Swell Period (WSP): 5 sec
Wave Swell Height (WSH): 1.64 ft
Wave Swell Range (WSR): 0.82 - 2.46 ft
Atmospheric Pressure (AP): 30.04 in
Pressure Tendency (PT): +0.05 in
Increasing, then steady; or increasing, then increasing more slowly

Updated: 11:50 PM AKDT on July 29, 2014

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Current Wave Detail Observations

Water Depth: 673 ft
Wave Height: 1.48 ft
Spectral Peak Period: 5.0 sec
Average Wave Period: 4.4 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 12:00 AM AKDT on July 30, 2014

General Information

Location: 60.233 North -146.834 West
Buoy Type: 6-meter NOMAD buoy
Buoy Hull: 6N18
Payload: ARES 4.4 payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer
Sea Surface: Measured by Intake

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 57 59
-
SSE 11.7 13.4 6 1.31 exactly 1.3 - - - 6 1.64 0.82 - 2.46 29.99 +0.02
21:50 56 59
-
SE 11.7 13.4 6 1.64 exactly 1.6 3 1.64 0.82 - 2.46 6 1.64 0.82 - 2.46 30.01 +0.03
22:50 56 59
-
SE 11.7 13.4 6 1.64 exactly 1.6 6 1.64 0.82 - 2.46 16 1.64 0.82 - 2.46 30.04 +0.05
23:50 55 59
-
SE 7.8 8.9 5 1.64 exactly 1.6 - - - 5 1.64 0.82 - 2.46 30.04 +0.05

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 673 ft 1.28 ft 14.8 sec 5.2 sec 0.6 sec 2400 sec
23:00 673 ft 1.64 ft 5.6 sec 4.6 sec 0.6 sec 2400 sec
00:00 673 ft 1.48 ft 5.0 sec 4.4 sec 0.6 sec 2400 sec