Middle Rock Light, AK (MRKA2)

Conditions for Saturday

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Marine Data Graph

Current Weather/Wave Observations

Air Temperature: 46° F
Wind direction (W Dir): North (5 - 14 Degrees)
Wind Speed (W Spd): 3.0 kts (3.5 mph)
Wind Gust (W Spd): 3.0 kts (3.5 mph)
Atmospheric Pressure (AP): 29.71 in
Pressure Tendency (PT): +0.03 in
Decreasing or steady, then increasing; or increasing, then increasing more rapidly

Updated: 8:00 PM AKDT on September 20, 2014

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General Information

Location: 61.082 -146.662
Buoy Type: C-MAN Station
Payload: Sutron XPERT payload
Owned by: NDBC
Windspeed: Measured by obtained from anemometer

Weather and Wave Data

Time Temp Humidity Wind Pressure
  Air
(°F)
Water
(°F)
  Dir Speed
(kts)
Speed
(mph)
Atmo.
(in)
Tend.
(in)
20:00 51
-
-
North 3.0 3.5 29.55 +0.17
20:30 53
-
-
SSW 4.0 4.6 29.57 -
21:30 51
-
-
NNE 8.0 9.2 29.60 -
22:00 50
-
-
NW 2.0 2.3 29.61 +0.12
22:30 49
-
-
NNE 7.0 8.1 29.62 -
23:00 49
-
-
ENE 5.0 5.8 29.62 +0.07
23:30 48
-
-
East 4.0 4.6 29.62 -
00:00 48
-
-
NE 9.0 10.4 29.63 +0.04
00:30 50
-
-
ENE 6.0 6.9 29.63 -
01:00 50
-
-
NE 6.0 6.9 29.64 +0.03
02:00 48
-
-
East 8.0 9.2 29.63 +0.01
02:30 48
-
-
NE 9.0 10.4 29.63 -
03:00 47
-
-
ENE 6.0 6.9 29.64 +0.01
03:30 48
-
-
NE 6.0 6.9 29.63 -
04:00 48
-
-
NNE 7.0 8.1 29.63 -
04:30 48
-
-
- 0.0 0.0 29.64 -
05:00 46
-
-
ENE 8.0 9.2 29.64 -
05:30 46
-
-
East 5.0 5.8 29.64 -
06:00 46
-
-
NE 5.0 5.8 29.64 -
06:30 46
-
-
ENE 4.0 4.6 29.63 -
07:00 46
-
-
NE 8.0 9.2 29.63 -
08:00 47
-
-
NE 6.0 6.9 29.63 -
08:30 47
-
-
ENE 8.0 9.2 29.63 -
10:00 46
-
-
NE 6.0 6.9 29.64 +0.01
10:30 45
-
-
NE 5.0 5.8 29.64 -
11:00 45
-
-
NNE 4.0 4.6 29.65 +0.01
11:30 46
-
-
NE 4.0 4.6 29.65 -
12:00 47
-
-
NE 3.0 3.5 29.65 +0.01
12:30 46
-
-
NE 5.0 5.8 29.65 -
13:00 46
-
-
NE 2.0 2.3 29.65 +0.01
13:30 46
-
-
NE 1.0 1.2 29.66 -
14:00 45
-
-
ENE 3.0 3.5 29.66 +0.02
14:30 46
-
-
WSW 4.0 4.6 29.67 -
15:30 47
-
-
North 4.0 4.6 29.67 -
16:00 47
-
-
ESE 2.0 2.3 29.68 +0.02
16:30 47
-
-
NNW 1.0 1.2 29.68 -
17:00 47
-
-
- 0.0 0.0 29.68 +0.01
17:30 46
-
-
NE 4.0 4.6 29.68 -
18:00 48
-
-
East 1.0 1.2 29.68 +0.01
18:30 47
-
-
SW 1.0 1.2 29.69 -
19:00 48
-
-
East 4.0 4.6 29.69 +0.02
19:30 47
-
-
NE 6.0 6.9 29.70 -
20:00 46
-
-
North 3.0 3.5 29.71 +0.03

Detailed Wave Spectra