Station 46076 (LLNR 25982) - CAPE CLEARE - 17 NM South of Montague Is, AK Image indicating link to RSS feed of recent meteorological observations for station 46076


Conditions at 46076 as of
(7:00 pm AKDT on 09/07/2026)
0300 GMT on 09/08/2026:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Wind Direction Wind Direction (WDIR):SSW ( 210 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 9.7 kts
5-day plot - Wind Gust Wind Gust (GST): 11.7 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.85 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.04 in ( Rising )
5-day plot - Air Temperature Air Temperature (ATMP): 53.6 °F
5-day plot - Water Temperature Water Temperature (WTMP): 55.2 °F
5-day plot - Wind Chill Wind Chill (CHILL): 50.2 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 9.7 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 9.7 kts
5-day plot -  Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Supplemental Measurements
Lowest 1-minute Pressure
Time (AKDT)Pressure
6:55 pm29.85 in
Highest 1-minute Wind Speed
Time (AKDT)5-day plot - 1-Minute Wind Speed WSPD 5-day plot - 1-Minute Wind Direction WDIR
6:58 pm 9.7 ktsSSW ( 210 deg true )
Previous observations
TIME
(AKDT)
5-day plot - Wind Direction
WDIR
 
5-day plot - Wind Speed
WSPD
kts
5-day plot - Wind Gust
GST
kts
5-day plot - Wave Height
WVHT
ft
5-day plot - Dominant Wave Period
DPD
sec
5-day plot - Average Wave Period
APD
sec
5-day plot - Mean Wave Direction
MWD
 
5-day plot - Atmospheric Pressure
PRES
in
5-day plot - Pressure Tendency
PTDY
in
5-day plot - Air Temperature
ATMP
°F
5-day plot - Water Temperature
WTMP
°F
5-day plot - Dew Point
DEWP
°F
5-day plot - Salinity
SAL
psu
5-day plot - Visibility
VIS
nmi
5-day plot - Tide (above MLLW)
TIDE
ft
2026-09-07 06:50 pmSSW 9.7 11.7 6.9 107.1SSW29.85- 53.8 55.2----
2026-09-07 06:40 pmSSW 9.7 11.7----29.85- 54.1 55.2----
2026-09-07 06:30 pmSSW 9.7 11.7----29.85- 54.3 55.2----
2026-09-07 06:20 pmSSW 9.7 11.7 6.2 97.2SSW29.85- 54.5 55.2----
2026-09-07 06:10 pmSSW 7.8 11.7 6.2-7.2SSW29.85- 54.5 55.2----
2026-09-07 06:00 pmSSW 5.8 9.7----29.85+0.03 54.3 55.0----
2026-09-07 05:50 pmSSW 7.8 9.7 6.2 86.4SSW29.85- 54.5 55.0----
2026-09-07 05:40 pmSSW 7.8 11.7----29.85- 54.5 55.0----
2026-09-07 05:30 pmSSW 7.8 11.7----29.85- 54.5 55.0----
2026-09-07 05:20 pmSSW 7.8 11.7 6.2 96.6SSW29.85- 54.7 55.2----
2026-09-07 05:10 pmSSW 9.7 11.7 6.2-6.6SSW29.84- 54.9 55.2----
2026-09-07 05:00 pmSSW 5.8 7.8----29.84+0.04 55.2 55.0----
2026-09-07 04:50 pm S 5.8 7.8 6.6 96.7SSW29.83- 55.4 55.0----
2026-09-07 04:40 pm S 3.9 5.8 6.6-6.7SSW29.82- 55.6 55.0----
2026-09-07 04:30 pm S 3.9 5.8----29.83- 55.6 55.0----
2026-09-07 04:20 pmSSE 5.8 5.8 5.9 96.5SSW29.83- 55.6 55.0----
2026-09-07 04:10 pm SE 3.9 5.8 5.9-6.5SSW29.82- 55.4 55.0----
2026-09-07 04:00 pm SE 3.9 5.8----29.81+0.04 55.4 55.0----
2026-09-07 03:50 pmSSE 3.9 5.8 5.9 76.6 S29.82- 55.6 55.2----
2026-09-07 03:40 pm SE 3.9 5.8 5.9-6.6 S29.82- 55.4-----
2026-09-07 03:20 pmSSE 5.8 7.8 5.6 86.2SSW29.82- 55.4 55.2----
2026-09-07 03:10 pm SE 5.8 7.8 5.6-6.2SSW29.82- 55.4 55.2----
2026-09-07 03:00 pm SE 5.8 7.8----29.82+0.05 55.4 55.2----
2026-09-07 02:50 pm SE 5.8 7.8 5.9 166.5 S29.82- 55.4 55.2----
2026-09-07 02:40 pm SE 5.8 7.8 5.9-6.5 S29.81- 55.4 55.2----
2026-09-07 02:30 pm SE 5.8 5.8----29.81- 55.2 55.2----
2026-09-07 02:20 pm SE 5.8 7.8 5.2 95.9 SW29.81- 55.2 55.2----
2026-09-07 02:10 pm SE 5.8 7.8 5.2-5.9 SW29.80- 55.2 55.2----
2026-09-07 02:00 pm SE 5.8 7.8----29.80+0.04 55.2 55.2----
2026-09-07 01:50 pmESE 5.8 7.8 5.6 86.0SSW29.80- 55.2 55.2----
2026-09-07 01:40 pmESE 5.8 7.8 5.6-6.0SSW29.79- 55.2 55.2----
2026-09-07 01:30 pmESE 7.8 7.8----29.79- 55.2 55.2----
2026-09-07 01:20 pm E 7.8 7.8 5.2 85.9 SW29.78- 55.2 55.2----
2026-09-07 01:10 pm E 7.8 9.7 5.2-5.9 SW29.78- 55.2 55.2----
2026-09-07 01:00 pm E 7.8 9.7----29.78+0.01 55.0 55.2----
2026-09-07 12:50 pm E 7.8 9.7 5.6 76.1SSE29.78- 55.0 55.2----
2026-09-07 12:40 pm E 7.8 9.7 5.6-6.1SSE29.78- 55.0 55.2----
2026-09-07 12:30 pm E 7.8 9.7----29.78- 55.0 55.2----
2026-09-07 12:20 pm E 7.8 9.7 5.9 96.1 SW29.78- 55.0 55.2----
2026-09-07 12:10 pm E 9.7 9.7 5.9-6.1 SW29.78- 55.0 55.2----
2026-09-07 12:00 pm E 9.7 11.7----29.77+0.01 55.0 55.4----
2026-09-07 11:50 am E 9.7 11.7 5.6 96.1 SW29.77- 55.0 55.4----
2026-09-07 11:40 am E 9.7 11.7 5.6-6.1 SW29.77- 55.0 55.4----
2026-09-07 11:30 am E 9.7 11.7----29.77- 55.0 55.2----
2026-09-07 11:20 am E 9.7 11.7 5.6 96.0 SW29.77- 55.0 55.2----
2026-09-07 11:10 am E 9.7 11.7 5.6-6.0 SW29.77- 55.0 55.2----
2026-09-07 11:00 am E 9.7 13.6----29.76+0.01 55.0 55.2----
2026-09-07 10:50 am E 9.7 11.7 5.6 85.9 SW29.76- 55.0 55.2----
2026-09-07 10:40 am E 9.7 11.7----29.76- 54.9 55.2----
2026-09-07 10:30 am E 9.7 11.7----29.76- 54.9 55.2----
2026-09-07 10:20 am E 9.7 11.7 5.9 166.0 S29.77- 54.9 55.2----
2026-09-07 10:10 am E 9.7 11.7 5.9-6.0 S29.77- 54.9 55.4----
2026-09-07 10:00 am E 9.7 11.7----29.77+0.01 54.9 55.4----
2026-09-07 09:50 am E 9.7 11.7 5.9 86.0SSW29.77- 54.9 55.2----
2026-09-07 09:40 am E 9.7 11.7----29.77- 55.0 55.2----
2026-09-07 09:30 am E 9.7 11.7----29.77- 55.0 55.2----
2026-09-07 09:20 am E 9.7 11.7 5.9 86.2SSW29.77- 55.0 55.0----
2026-09-07 09:10 amESE 9.7 11.7 5.9-6.2SSW29.76- 55.0 55.0----
2026-09-07 09:00 amESE 9.7 11.7----29.76+0.00 55.0-----
2026-09-07 08:50 amESE 9.7 9.7 5.9 86.1SSW29.77- 55.0 55.0----
2026-09-07 08:40 amESE 9.7 11.7 5.9-6.1SSW29.76- 55.0 55.0----
2026-09-07 08:30 amESE 9.7 11.7----29.76- 55.0 55.0----
2026-09-07 08:20 am SE 9.7 11.7 5.6 85.9SSW29.76- 55.0 55.0----
2026-09-07 08:10 am SE 11.7 13.6 5.6-5.9SSW29.76- 55.2 55.0----
2026-09-07 08:00 am SE 9.7 11.7----29.76-0.01 55.2 55.0----
2026-09-07 07:50 amESE 9.7 11.7 5.6 96.0SSW29.76- 55.4 55.0----
2026-09-07 07:40 amESE 9.7 13.6----29.76- 55.4 55.0----
2026-09-07 07:30 amESE 9.7 11.7----29.76- 55.4 55.0----
2026-09-07 07:20 amESE 9.7 11.7 5.2 165.9SSE29.76- 55.4 55.0----
2026-09-07 07:10 amESE 9.7 13.6 5.2-5.9SSE29.76- 55.2 55.0----
2026-09-07 07:00 amESE 9.7 9.7----29.76-0.03 55.0 55.0----
2026-09-07 06:50 amESE 9.7 9.7 5.6 85.8SSW29.76- 55.0 55.0----
2026-09-07 06:40 amESE 9.7 11.7 5.6-5.8SSW29.75- 55.0 55.0----
2026-09-07 06:30 amESE 9.7 11.7----29.76- 55.0 55.0----
2026-09-07 06:20 amESE 9.7 11.7 5.2 165.7 S29.76- 55.2 55.0----
2026-09-07 06:10 amESE 11.7 13.6 5.2-5.7 S29.76- 55.2 55.0----
2026-09-07 06:00 amESE 11.7 13.6----29.76-0.04 55.4 55.0----
2026-09-07 05:50 am E 11.7 11.7 5.2 85.5SSW29.76- 55.2-----
2026-09-07 05:40 am E 11.7 11.7 5.2-5.5SSW29.76- 55.2 54.9----
2026-09-07 05:30 am E 11.7 11.7----29.76- 55.2 54.9----
2026-09-07 05:20 am E 11.7 11.7 5.2 85.5SSW29.76- 55.2 54.9----
2026-09-07 05:10 am E 9.7 11.7 5.2-5.5SSW29.77- 55.2 54.9----
2026-09-07 05:00 am E 11.7 13.6----29.77-0.04 55.2 54.9----
2026-09-07 04:50 am E 11.7 13.6 5.6 165.5SSW29.77- 55.2 54.9----
2026-09-07 04:40 am E 11.7 13.6----29.77- 55.2 54.9----
2026-09-07 04:30 am E 11.7 13.6----29.78- 55.2 54.7----
2026-09-07 04:20 am E 11.7 13.6 5.6 75.4 S29.78- 55.2 54.7----
2026-09-07 04:10 am E 11.7 13.6 5.6-5.4 S29.78- 55.2 54.7----
2026-09-07 04:00 am E 13.6 15.5----29.78-0.05 55.2 54.7----
2026-09-07 03:50 am E 11.7 15.5 5.2 75.3SSW29.78- 55.2 54.5----
2026-09-07 03:40 am E 13.6 15.5----29.78- 55.2 54.5----
2026-09-07 03:30 am E 13.6 15.5----29.79- 55.2 54.5----
2026-09-07 03:20 am E 13.6 15.5 5.2 55.2 SE29.79- 55.2 54.7----
2026-09-07 03:10 am E 13.6 15.5 5.2-5.2 SE29.79- 55.2 54.7----
2026-09-07 03:00 am E 13.6 15.5----29.80-0.04 55.2 54.7----
2026-09-07 02:50 am E 13.6 15.5 5.2 165.3 S29.80- 55.2 54.9----
2026-09-07 02:40 am E 13.6 15.5 5.2-5.3 S29.80- 55.2 54.9----
2026-09-07 02:30 am E 11.7 15.5----29.81- 55.2 54.9----
2026-09-07 02:20 am E 11.7 13.6 5.2 55.2 SE29.81- 55.2 54.9----
2026-09-07 02:10 am E 11.7 15.5 5.2-5.2 SE29.81- 55.2 54.9----
2026-09-07 02:00 am E 11.7 13.6----29.82-0.03 55.2 54.9----
2026-09-07 01:50 am E 11.7 13.6 4.9 55.1SSE29.82- 55.4 55.0----
2026-09-07 01:40 amESE 11.7 13.6 4.9-5.1SSE29.82- 55.4 55.0----
2026-09-07 01:30 amESE 11.7 13.6----29.83- 55.4 55.0----
2026-09-07 01:20 amESE 11.7 13.6 4.9 165.1 SW29.83- 55.4 55.0----
2026-09-07 01:10 amESE 11.7 15.5----29.83- 55.4 55.2----
2026-09-07 01:00 amESE 11.7 13.6----29.83-0.03 55.4 55.2----
2026-09-07 12:50 amESE 11.7 15.5 4.3 54.7 S29.83- 55.4 55.2----
2026-09-07 12:40 amESE 11.7 13.6 4.3-4.7 S29.83- 55.4 55.2----
2026-09-07 12:30 amESE 11.7 15.5----29.83- 55.4 55.2----
2026-09-07 12:20 amESE 11.7 15.5 4.3 54.9ESE29.83- 55.4 55.2----
2026-09-07 12:10 amESE 13.6 15.5 4.3-4.9ESE29.84- 55.4 55.2----
2026-09-07 12:00 amESE 11.7 15.5----29.84-0.04 55.4 55.2----
2026-09-06 11:50 pmESE 11.7 13.6 3.9 54.8 SE29.84- 55.4 55.2----
2026-09-06 11:40 pmESE 11.7 13.6 3.9-4.8 SE29.84- 55.4 55.2----
2026-09-06 11:30 pmESE 11.7 13.6----29.84- 55.4 55.2----
2026-09-06 11:20 pmESE 11.7 13.6 3.9 165.0 SW29.84- 55.4 55.2----
2026-09-06 11:10 pmESE 11.7 13.6 3.9-5.0 SW29.84- 55.2 55.2----
2026-09-06 11:00 pmESE 11.7 13.6----29.85-0.03 55.2 55.2----
2026-09-06 10:50 pmESE 11.7 13.6 3.9 164.9SSE29.85- 55.2 55.4----
2026-09-06 10:40 pmESE 13.6 15.5 3.9-4.9SSE29.85- 55.4 55.4----
2026-09-06 10:30 pmESE 11.7 15.5----29.85- 55.4 55.4----
2026-09-06 10:20 pmESE 11.7 13.6 3.9 165.1WSW29.85- 55.4 55.4----
2026-09-06 10:10 pmESE 11.7 15.5 3.9-5.1WSW29.86- 55.4 55.4----
2026-09-06 10:00 pmESE 13.6 15.5----29.86-0.04 55.4 55.4----
2026-09-06 09:50 pmESE 13.6 15.5 4.3 165.2 S29.86- 55.4 55.4----
2026-09-06 09:40 pmESE 13.6 17.5 4.3-5.2 S29.86- 55.4 55.4----
2026-09-06 09:30 pmESE 13.6 17.5----29.86- 55.4 55.4----
2026-09-06 09:20 pmESE 13.6 15.5 3.9 165.0 S29.86- 55.4 55.2----
2026-09-06 09:10 pmESE 11.7 13.6 3.9-5.0 S29.87- 55.6 55.4----
2026-09-06 09:00 pmESE 11.7 13.6----29.87-0.03 55.4 55.2----
2026-09-06 08:50 pmESE 11.7 13.6 3.9 155.1SSW29.88- 55.4 55.4----
2026-09-06 08:40 pmESE 11.7 13.6 3.9-5.1SSW29.88- 55.4 55.4----
2026-09-06 08:30 pm E 11.7 13.6----29.88- 55.4 55.4----
2026-09-06 08:20 pm E 11.7 13.6 3.9 164.9 S29.88- 55.2 55.4----
2026-09-06 08:10 pm E 11.7 15.5 3.9-4.9 S29.88- 55.2 55.4----
2026-09-06 08:00 pm E 11.7 13.6----29.88-0.04 55.2 55.6----
2026-09-06 07:50 pm E 11.7 13.6 3.6 165.0 S29.88- 55.2 55.4----
2026-09-06 07:40 pm E 11.7 13.6 3.6-5.0 S29.88- 55.2 55.4----
2026-09-06 07:30 pm E 11.7 13.6----29.89- 55.2 55.4----
2026-09-06 07:20 pm E 11.7 13.6 4.3 165.2SSE29.89- 55.2 55.4----
2026-09-06 07:10 pm E 11.7 13.6 4.3-5.2SSE29.89- 55.2 55.4----
2026-09-06 07:00 pm E 11.7 13.6----29.90-0.04 55.2 55.2----
2026-09-06 06:50 pm E 11.7 13.6 3.9 104.9SSW29.90- 55.2 55.0----

Wave Summary
for 46076 as of
(6:40 pm AKDT on 09/07/2026)
0240 GMT on 09/08/2026:

These wave data are displayed in rounded times.

     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Significant Wave Height Significant Wave Height (WVHT): 6.9 ft
5-day plot - Swell Height Swell Height (SwH): 6.6 ft
5-day plot - Swell Period Swell Period (SwP): 10.0 sec
5-day plot - Swell Direction Swell Direction (SwD):SSW
5-day plot - Wind Wave Height Wind Wave Height (WWH): 1.6 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 3.7 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD):ESE
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): AVERAGE
5-day plot - Average Wave Period Average Wave Period (APD): 7.1 sec
Previous observations
TIME
(AKDT)
5-day plot - Wave Height
WVHT
ft
5-day plot - Swell Height
SwH
ft
5-day plot - Swell Period
SwP
sec
5-day plot - Swell Direction
SwD
 
5-day plot - Wind Wave Height
WWH
ft
5-day plot - Wind Wave Period
WWP
sec
5-day plot - Wind Wave Direction
WWD
 
5-day plot - Wave Steepness
STEEPNESS
 
5-day plot - Average Wave Period
APD
sec
2026-09-07 06:10 pm 6.2 5.9 9.1SSW 1.6 3.8 E AVERAGE 7.2
2026-09-07 05:40 pm 6.2 5.9 8.3SSW 1.6 3.7 ESE AVERAGE 6.4
2026-09-07 05:10 pm 6.2 6.2 9.1SSW 1.6 3.3 ESE AVERAGE 6.6
2026-09-07 04:40 pm 6.6 6.2 9.1SSW 1.6 4.0 ESE AVERAGE 6.7
2026-09-07 04:10 pm 5.9 5.9 9.1SSW 1.6 3.7 ESE AVERAGE 6.5
2026-09-07 03:40 pm 5.9 5.6 6.7 S 1.6 3.8 SE STEEP 6.6
2026-09-07 03:10 pm 5.6 5.6 8.3SSW 1.6 3.7 SE AVERAGE 6.2
2026-09-07 02:40 pm 5.9 5.6 16.0 S 1.6 3.7 ESE SWELL 6.5
2026-09-07 02:10 pm 5.2 5.2 9.1 SW 1.6 4.0 SE AVERAGE 5.9
2026-09-07 01:40 pm 5.6 5.2 8.3SSW 1.6 3.8 SE AVERAGE 6.0
2026-09-07 01:10 pm 5.2 4.9 8.3 SW 1.6 3.8 ESE AVERAGE 5.9
2026-09-07 12:40 pm 5.6 5.2 6.7SSE 1.6 3.7 SSE STEEP 6.1
2026-09-07 12:10 pm 5.9 5.6 9.1 SW 2.0 3.6 ESE AVERAGE 6.1
2026-09-07 11:40 am 5.6 5.2 9.1 SW 2.0 4.3 SSE AVERAGE 6.1
2026-09-07 11:10 am 5.6 5.2 9.1 SW 2.0 4.2 SE AVERAGE 6.0
2026-09-07 10:40 am 5.6 4.6 8.3 SW 2.6 3.7 SE AVERAGE 5.9
2026-09-07 10:10 am 5.9 5.2 16.0 S 2.3 4.2 SE SWELL 6.0
2026-09-07 09:40 am 5.9 5.6 8.3SSW 2.0 3.4 SE AVERAGE 6.0
2026-09-07 09:10 am 5.9 5.6 7.7SSW 2.0 4.2 SE STEEP 6.2
2026-09-07 08:40 am 5.9 5.6 8.3SSW 2.0 4.0 ESE AVERAGE 6.1
2026-09-07 08:10 am 5.6 5.2 8.3SSW 2.0 4.3 ESE AVERAGE 5.9
2026-09-07 07:40 am 5.6 4.9 9.1SSW 2.3 4.8 ESE AVERAGE 6.0
2026-09-07 07:10 am 5.2 4.6 16.0SSE 2.3 4.2 ESE SWELL 5.9
2026-09-07 06:40 am 5.6 4.9 7.7SSW 2.3 4.3 SE AVERAGE 5.8
2026-09-07 06:10 am 5.2 4.6 16.0 S 2.6 5.0 SE SWELL 5.7
2026-09-07 05:40 am 5.2 4.6 8.3SSW 2.6 4.8 ESE AVERAGE 5.5
2026-09-07 05:10 am 5.2 4.3 7.7SSW 3.0 5.3 SE AVERAGE 5.5
2026-09-07 04:40 am 5.6 4.6 16.0SSW 3.0 4.5 ESE SWELL 5.5
2026-09-07 04:10 am 5.6 3.9 6.7 S 3.6 5.6 SSE STEEP 5.4
2026-09-07 03:40 am 5.2 3.9 7.1SSW 3.6 5.6 SSE STEEP 5.3
2026-09-07 03:10 am 5.2 3.3 16.0SSE 4.3 5.0 SEVERY_STEEP 5.2
2026-09-07 02:40 am 5.2 3.3 16.0 S 3.9 6.2 SSW AVERAGE 5.3
2026-09-07 02:10 am 5.2 3.3 6.2SSW 3.9 5.0 SEVERY_STEEP 5.2
2026-09-07 01:40 am 4.9 3.3 6.2 S 3.9 5.3 SSEVERY_STEEP 5.1
2026-09-07 01:10 am 4.9 3.3 16.0 SW 3.6 5.0 SSE AVERAGE 5.1
2026-09-07 12:40 am 4.3 2.3 17.4SSW 3.6 5.3 SVERY_STEEP 4.7
2026-09-07 12:10 am 4.3 2.3 16.0SSW 3.3 4.5 ESEVERY_STEEP 4.9
2026-09-06 11:40 pm 3.9 2.3 16.0SSW 3.3 4.5 SEVERY_STEEP 4.8
2026-09-06 11:10 pm 3.9 2.6 16.0 SW 2.6 4.3 SE SWELL 5.0
2026-09-06 10:40 pm 3.9 2.6 16.0SSE 3.0 4.2 SE AVERAGE 4.9
2026-09-06 10:10 pm 3.9 2.6 16.0WSW 3.0 4.3 SE AVERAGE 5.1
2026-09-06 09:40 pm 4.3 3.0 16.0 S 3.0 4.3 SE SWELL 5.2
2026-09-06 09:10 pm 3.9 2.6 16.0 S 3.0 4.3 SE AVERAGE 5.0
2026-09-06 08:40 pm 3.9 3.0 14.8SSW 2.6 3.7 E SWELL 5.1
2026-09-06 08:10 pm 3.9 2.6 16.0 S 2.6 4.2 ESE SWELL 4.9
2026-09-06 07:40 pm 3.6 2.6 16.0 S 2.6 3.8 E SWELL 5.0
2026-09-06 07:10 pm 4.3 3.3 16.0SSE 2.6 4.0 ESE SWELL 5.2

Plot icon Plot of wave energy versus frequency (and period)