PORTLOCK BANK 76NM ENE of Kodiak, AK (46080)

Conditions for Monday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 56° F
Humidity: 97
Wind direction (W Dir): South (185 - 194 Degrees)
Wind Speed (W Spd): 15.6 kts (17.9 mph)
Wind Gust (W Spd): 19.4 kts (22.4 mph)
Atmospheric Pressure (AP): 29.65 in
Pressure Tendency (PT): -0.02 in
Decreasing (steadily or unsteadily)

Updated: 4:50 AM AKDT on July 25, 2016

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Current Wave Detail Observations

Water Depth: 850 ft
Wave Height: 6.04 ft
Spectral Peak Period: 7.1 sec
Average Wave Period: 5.5 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 12:00 AM AKDT on July 25, 2016

General Information

Location: 57.939 North -149.96 West
Buoy Type: 6-meter NOMAD buoy
Buoy Hull: 6N41
Payload: ARES 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 56 58 91 SW 13.6 15.7 7 5.25 exactly 5.2 5 3.28 2.46 - 4.10 7 3.28 2.46 - 4.10 29.66 -
21:50 56 58 93 SW 11.7 13.4 - - - - - - 29.67 -
22:50 56 56 92 SSW 11.7 13.4 7 5.58 exactly 5.6 5 3.28 2.46 - 4.10 7 4.92 4.10 - 5.74 29.68 +0.01
23:50 56 56 92 SSW 9.7 11.2 7 5.91 exactly 5.9 5 3.28 2.46 - 4.10 7 4.92 4.10 - 5.74 29.68 +0.01
00:50 56 58 95 SSW 9.7 11.2 - - - - - - 29.67 -
01:50 56 58 93 SSW 11.7 13.4 - - - - - - 29.67 -0.01
02:50 56 58 97 South 11.7 13.4 - - - - - - 29.66 -0.01
03:50 57 58 94 South 15.6 17.9 - - - - - - 29.65 -0.01
04:50 56 58 97 South 15.6 17.9 - - - - - - 29.65 -0.02

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 850 ft 5.31 ft 7.7 sec 5.1 sec 0.6 sec 2400 sec
21:00 850 ft 5.15 ft 7.1 sec 5.1 sec 0.6 sec 2400 sec
23:00 850 ft 5.64 ft 6.7 sec 5.5 sec 0.6 sec 2400 sec
00:00 850 ft 6.04 ft 7.1 sec 5.5 sec 0.6 sec 2400 sec