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

Conditions for Sunday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 38° F
Wind direction (W Dir): North (345 - 354 Degrees)
Wind Speed (W Spd): 17.5 kts (20.1 mph)
Wind Gust (W Spd): 21.4 kts (24.6 mph)
Dominant Wave Period (DWP): 8 sec
Dominant Wave Height (DWH): 3.94 ft
Dominant Wave Range (DWR): exactly 3.9 ft
Wind Wave Period (WWP): 5 sec
Wind Wave Height (WWH): 1.64 ft
Wind Wave Range (WWR): 0.82 - 2.46 ft
Wave Swell Period (WSP): 8 sec
Wave Swell Height (WSH): 3.28 ft
Wave Swell Range (WSR): 2.46 - 4.10 ft
Atmospheric Pressure (AP): 30.09 in
Pressure Tendency (PT): -0.06 in
Decreasing, then steady; or decreasing, then decreasing more slowly

Updated: 1:50 AM AKST on February 01, 2015

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Current Wave Detail Observations

Water Depth: 673 ft
Wave Height: 4.04 ft
Spectral Peak Period: 8.3 sec
Average Wave Period: 5.8 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 2:00 AM AKST on February 01, 2015

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 39 42
-
North 21.4 24.6 7 2.62 exactly 2.6 5 1.64 0.82 - 2.46 7 1.64 0.82 - 2.46 30.19 -0.06
21:50 38 42
-
North 15.6 17.9 7 2.95 exactly 3.0 5 1.64 0.82 - 2.46 7 1.64 0.82 - 2.46 30.17 -0.06
22:50 38 43
-
North 15.6 17.9 7 3.28 exactly 3.3 6 3.28 2.46 - 4.10 7 1.64 0.82 - 2.46 30.16 -0.06
23:50 38 43
-
North 15.6 17.9 7 3.28 exactly 3.3 5 1.64 0.82 - 2.46 7 1.64 0.82 - 2.46 30.13 -0.05
00:50 37 42
-
North 15.6 17.9 9 3.94 exactly 3.9 5 3.28 2.46 - 4.10 9 3.28 2.46 - 4.10 30.12 -0.06
01:50 38 42
-
North 17.5 20.1 8 3.94 exactly 3.9 5 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 30.09 -0.06

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 673 ft 2.53 ft 7.7 sec 4.8 sec 0.6 sec 2400 sec
21:00 673 ft 2.56 ft 6.7 sec 4.7 sec 0.6 sec 2400 sec
22:00 673 ft 2.79 ft 7.1 sec 4.8 sec 0.6 sec 2400 sec
23:00 673 ft 3.12 ft 7.1 sec 5.0 sec 0.6 sec 2400 sec
00:00 673 ft 3.35 ft 7.1 sec 5.0 sec 0.6 sec 2400 sec
01:00 673 ft 3.87 ft 9.1 sec 5.1 sec 0.6 sec 2400 sec
02:00 673 ft 4.04 ft 8.3 sec 5.8 sec 0.6 sec 2400 sec