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

Conditions for Tuesday

Daily
Weekly
Monthly
Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 47° F
Humidity: 81
Wind direction (W Dir): South (165 - 174 Degrees)
Wind Speed (W Spd): 19.4 kts (22.4 mph)
Wind Gust (W Spd): 23.3 kts (26.8 mph)
Dominant Wave Period (DWP): 10 sec
Dominant Wave Height (DWH): 5.91 ft
Dominant Wave Range (DWR): exactly 5.9 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): 10 sec
Wave Swell Height (WSH): 3.28 ft
Wave Swell Range (WSR): 2.46 - 4.10 ft
Atmospheric Pressure (AP): 29.78 in
Pressure Tendency (PT): -0.03 in
Steady or increasing, then decreasing; or decreasing, then decreasing more rapidly

Updated: 3:50 PM AKDT on October 22, 2019

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Current Wave Detail Observations

Water Depth: 837 ft
Wave Height: 5.74 ft
Spectral Peak Period: 10.0 sec
Average Wave Period: 5.6 sec
Sampling Interval: 0.6 sec
Wave Record: 2400 sec

Updated: 4:00 PM AKDT on October 22, 2019

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 46 47 86 South 7.8 8.9 8 3.28 exactly 3.3 4 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 29.72 -
21:50 46 47 83 SE 7.8 8.9 9 2.95 exactly 3.0 4 1.64 0.82 - 2.46 9 3.28 2.46 - 4.10 29.72 +0.01
23:50 46 47 84 South 5.8 6.7 8 3.28 exactly 3.3 4 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 29.74 +0.02
00:50 45 47 86 SSW 7.8 8.9 8 3.61 exactly 3.6 4 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 29.75 +0.03
01:50 46 47 83 South 7.8 8.9 8 3.94 exactly 3.9 4 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 29.76 +0.03
02:50 47 47 81 SE 13.6 15.7 8 3.94 exactly 3.9 6 3.28 2.46 - 4.10 8 3.28 2.46 - 4.10 29.76 +0.02
03:50 47 47 83 South 5.8 6.7 8 4.27 exactly 4.3 4 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 29.78 +0.02
05:50 47 47 87 SE 9.7 11.2 8 4.27 exactly 4.3 5 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 29.79 +0.03
06:50 47 47 79 SE 11.7 13.4 8 3.94 exactly 3.9 5 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 29.80 +0.03
08:50 47 47 81 East 7.8 8.9 8 3.94 exactly 3.9 4 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 29.82 +0.03
09:50 47 47 85 ESE 11.7 13.4 8 3.94 exactly 3.9 4 1.64 0.82 - 2.46 8 3.28 2.46 - 4.10 29.83 +0.02
10:50 46 47 93 ESE 15.6 17.9 11 4.27 exactly 4.3 6 3.28 2.46 - 4.10 11 3.28 2.46 - 4.10 29.82 -
11:50 47 47 90 East 13.6 15.7 11 4.27 exactly 4.3 7 3.28 2.46 - 4.10 11 3.28 2.46 - 4.10 29.82 -
13:50 47 47 95 South 13.6 15.7 11 4.92 exactly 4.9 6 3.28 2.46 - 4.10 11 3.28 2.46 - 4.10 29.80 -0.02
14:50 48 47 90 SSE 15.6 17.9 11 4.92 exactly 4.9 5 3.28 2.46 - 4.10 11 3.28 2.46 - 4.10 29.80 -0.02
15:50 47 47 81 South 19.4 22.4 10 5.91 exactly 5.9 5 4.92 4.10 - 5.74 10 3.28 2.46 - 4.10 29.78 -0.03

Detailed Wave Spectra

Time Water Depth Wave Height Spectral Peak Period Average Wave Period Sampling Interval Wave Record
20:00 837 ft 3.18 ft 8.3 sec 6.3 sec 0.6 sec 2400 sec
00:00 837 ft 3.28 ft 8.3 sec 6.0 sec 0.6 sec 2400 sec
05:00 837 ft 4.23 ft 8.3 sec 5.5 sec 0.6 sec 2400 sec
06:00 837 ft 4.13 ft 7.7 sec 5.4 sec 0.6 sec 2400 sec
09:00 837 ft 3.81 ft 7.7 sec 5.7 sec 0.6 sec 2400 sec
12:00 837 ft 4.17 ft 10.8 sec 5.2 sec 0.6 sec 2400 sec
13:00 837 ft 4.56 ft 10.8 sec 5.2 sec 0.6 sec 2400 sec
14:00 837 ft 4.99 ft 10.8 sec 5.7 sec 0.6 sec 2400 sec
16:00 837 ft 5.74 ft 10.0 sec 5.6 sec 0.6 sec 2400 sec