Station 46041 (LLNR 733) - CAPE ELIZABETH - 45NM NW of Aberdeen, WA Image indicating link to RSS feed of recent meteorological observations for station 46041


Conditions at 46041 as of
(11:00 pm PDT on 05/20/2026)
0600 GMT on 05/21/2026:
     

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):NNW ( 340 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):30.20 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.00 in ( Steady )
5-day plot - Air Temperature Air Temperature (ATMP): 53.1 °F
5-day plot - Dew Point Dew Point (DEWP): 52.2 °F
5-day plot - Wind Chill Wind Chill (CHILL): 49.5 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 11.7 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 11.7 kts
5-day plot -  Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Supplemental Measurements
Highest 1-minute Wind Speed
Time (PDT)5-day plot - 1-Minute Wind Speed WSPD 5-day plot - 1-Minute Wind Direction WDIR
10:52 pm 9.7 kts-
Previous observations
TIME
(PDT)
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
2026-05-20 10:50 pmNNW 9.7 13.6 6.6 116.9 NW30.20- 53.1- 52.0---
2026-05-20 10:40 pm N 9.7 11.7----30.20- 53.1- 52.0---
2026-05-20 10:30 pm N 9.7 13.6----30.20- 53.1- 51.8---
2026-05-20 10:20 pm N 11.7 13.6 5.9 116.5WNW30.20- 53.1- 51.8---
2026-05-20 10:10 pm N 11.7 13.6 5.9-6.5WNW30.20- 53.1- 51.8---
2026-05-20 10:00 pm N 11.7 13.6----30.20+0.00 53.1- 51.6---
2026-05-20 09:50 pm N 11.7 13.6 6.2 116.3WNW30.20- 53.2- 51.8---
2026-05-20 09:40 pm N 11.7 13.6----30.20- 53.1- 51.4---
2026-05-20 09:30 pm N 11.7 15.5----30.20- 53.1- 51.4---
2026-05-20 09:20 pm N 13.6 15.5 6.2 116.4 NW30.20- 52.9- 51.3---
2026-05-20 09:10 pm N 13.6 17.5 6.2-6.4 NW30.20- 52.9- 51.3---
2026-05-20 09:00 pm N 13.6 17.5----30.20-0.01 52.9- 51.4---
2026-05-20 08:50 pmNNW 13.6 17.5 5.9 116.2WNW30.21- 52.9- 51.3---
2026-05-20 08:40 pmNNW 13.6 17.5----30.20- 53.1- 51.4---
2026-05-20 08:30 pm N 13.6 17.5----30.20- 53.2- 51.6---
2026-05-20 08:20 pmNNW 15.5 19.4 5.6 106.3WNW30.20- 53.1- 51.4---
2026-05-20 08:10 pmNNW 15.5 19.4 5.6-6.3WNW30.21- 53.2- 51.6---
2026-05-20 08:00 pmNNW 15.5 19.4----30.21-0.02 53.1- 51.4---
2026-05-20 07:50 pmNNW 15.5 19.4 5.9 106.4WNW30.20- 53.2- 51.4---
2026-05-20 07:40 pmNNW 13.6 17.5----30.20- 53.2- 51.6---
2026-05-20 07:30 pm NW 13.6 17.5----30.20- 53.4- 51.6---
2026-05-20 07:20 pmNNW 13.6 17.5 5.9 116.7WNW30.21- 53.4- 51.4---
2026-05-20 07:10 pm NW 13.6 15.5 5.9-6.7WNW30.20- 53.6- 51.4---
2026-05-20 07:00 pm NW 13.6 17.5----30.20-0.04 54.0- 51.4---
2026-05-20 06:50 pm NW 11.7 15.5 6.2 116.9WNW30.20- 54.0- 51.3---
2026-05-20 06:40 pm NW 11.7 13.6 6.2-6.9WNW30.21- 54.0- 51.3---
2026-05-20 06:30 pm NW 11.7 13.6----30.21- 54.1- 51.4---
2026-05-20 06:20 pm NW 11.7 13.6 5.6 116.7WNW30.21- 54.0- 51.3---
2026-05-20 06:10 pm NW 11.7 13.6 5.6-6.7WNW30.21- 54.0- 51.3---
2026-05-20 06:00 pm NW 11.7 13.6----30.21-0.04 53.8- 51.1---
2026-05-20 05:50 pm NW 9.7 13.6 5.9 116.8WNW30.22- 54.0- 51.3---
2026-05-20 05:40 pm NW 9.7 13.6----30.22- 54.0- 51.1---
2026-05-20 05:30 pm NW 11.7 13.6----30.22- 54.1- 51.3---
2026-05-20 05:20 pm NW 9.7 13.6 5.9 86.7WNW30.22- 54.1- 50.9---
2026-05-20 05:10 pm NW 9.7 11.7 5.9-6.7WNW30.23- 54.1- 50.7---
2026-05-20 05:00 pm NW 7.8 11.7----30.23-0.04 54.0- 50.2---
2026-05-20 04:50 pmWNW 7.8 11.7 6.9 107.1WNW30.23- 54.0- 50.0---
2026-05-20 04:40 pmWNW 7.8 11.7----30.24- 53.8- 49.8---
2026-05-20 04:30 pmWNW 7.8 11.7----30.24- 53.8- 49.6---
2026-05-20 04:20 pmWNW 7.8 9.7 6.2 126.9WNW30.24- 53.6- 49.5---
2026-05-20 04:10 pmWNW 7.8 9.7 6.2-6.9WNW30.24- 53.6- 49.5---
2026-05-20 04:00 pmWNW 5.8 9.7----30.24-0.04 53.2- 48.9---
2026-05-20 03:50 pm NW 5.8 9.7 6.6 117.1WNW30.24- 53.2- 48.9---
2026-05-20 03:40 pm NW 5.8 9.7----30.24- 53.1- 48.6---
2026-05-20 03:30 pm NW 5.8 7.8----30.25- 53.1- 48.6---
2026-05-20 03:20 pm--- 7.2 127.1WNW30.23-------
2026-05-20 03:10 pm NW 5.8 7.8----30.25- 52.9- 48.2---
2026-05-20 03:00 pmWNW 5.8 7.8----30.25-0.03 52.9- 48.2---
2026-05-20 02:50 pm NW 5.8 7.8 8.2 87.4 NW30.26- 52.9- 48.2---
2026-05-20 02:40 pmWNW 5.8 9.7 8.2-7.4 NW30.26- 52.9- 48.0---
2026-05-20 02:30 pm NW 5.8 9.7----30.27- 52.9- 48.0---
2026-05-20 02:20 pmWNW 5.8 9.7 7.2 127.2WNW30.27- 52.9- 48.0---
2026-05-20 02:10 pm NW 5.8 7.8 7.2-7.2WNW30.27- 52.9- 48.0---
2026-05-20 02:00 pm NW 5.8 9.7----30.27+0.00 52.7- 47.8---
2026-05-20 01:50 pm NW 5.8 7.8 7.2 127.4WNW30.27- 52.7- 47.8---
2026-05-20 01:40 pmNNW 3.9 7.8----30.27- 52.7- 47.7---
2026-05-20 01:30 pmNNW 3.9 7.8----30.27- 52.5- 47.5---
2026-05-20 01:20 pm NW 3.9 7.8 7.2 117.3WNW30.28- 52.7- 47.7---
2026-05-20 01:10 pm NW 3.9 7.8 7.2-7.3WNW30.28- 52.5- 47.5---
2026-05-20 01:00 pm NW 5.8 9.7----30.28+0.00 52.5- 47.5---
2026-05-20 12:50 pmWNW 5.8 9.7 6.6 97.1WNW30.28- 52.3- 47.1---
2026-05-20 12:40 pm NW 5.8 7.8 6.6-7.1WNW30.28- 52.3- 47.3---
2026-05-20 12:30 pmWNW 5.8 7.8----30.28- 52.2- 47.3---
2026-05-20 12:20 pmWNW 3.9 9.7 7.9 127.6WNW30.28- 52.2- 47.3---
2026-05-20 12:10 pmWNW 3.9 7.8 7.9-7.6WNW30.28- 52.2- 47.3---
2026-05-20 12:00 pm NW 5.8 9.7----30.28+0.01 52.0- 47.1---
2026-05-20 11:50 am NW 5.8 9.7 8.2 117.7WNW30.28- 52.2- 47.3---
2026-05-20 11:40 am NW 3.9 7.8----30.28- 52.2- 47.3---
2026-05-20 11:30 amNNW 3.9 7.8----30.27- 51.8- 46.6---
2026-05-20 11:20 am NW 5.8 9.7 7.2 137.3WNW30.27- 52.0- 46.9---
2026-05-20 11:10 am NW 5.8 7.8 7.2-7.3WNW30.27- 52.2- 46.9---
2026-05-20 11:00 amWNW 3.9 7.8----30.28+0.00 52.0- 46.4---
2026-05-20 10:50 amWNW 3.9 7.8 7.2 87.2 NW30.27- 52.0- 46.2---
2026-05-20 10:40 am NW 3.9 7.8----30.28- 52.2- 46.2---
2026-05-20 10:30 amNNW 3.9 9.7----30.28- 52.2- 46.2---
2026-05-20 10:20 amNNW 3.9 9.7 7.5 137.7WNW30.28- 52.0- 46.0---
2026-05-20 10:10 amNNW 5.8 9.7 7.5-7.7WNW30.27- 52.0- 46.2---
2026-05-20 10:00 am NW 5.8 9.7----30.27+0.02 52.0- 46.2---
2026-05-20 09:50 amNNW 5.8 9.7 7.9 127.8WNW30.28- 52.2- 46.4---
2026-05-20 09:40 amNNW 5.8 9.7----30.27- 52.2- 46.4---
2026-05-20 09:30 amNNW 5.8 9.7----30.27- 52.2- 46.6---
2026-05-20 09:20 am NW 5.8 9.7 7.5 127.4WNW30.28- 52.2- 46.4---
2026-05-20 09:10 amNNW 5.8 9.7 7.5-7.4WNW30.28- 52.2- 46.2---
2026-05-20 09:00 amNNW 5.8 7.8----30.27+0.02 52.3- 46.6---
2026-05-20 08:50 amNNW 5.8 9.7 7.9 117.7WNW30.27- 52.2- 46.0---
2026-05-20 08:40 amNNW 7.8 9.7----30.27- 52.2- 46.4---
2026-05-20 08:30 amNNW 7.8 11.7----30.27- 52.2- 46.8---
2026-05-20 08:20 amNNW 7.8 11.7 7.2 127.4WNW30.27- 52.3- 47.1---
2026-05-20 08:10 amNNW 5.8 9.7----30.27- 52.2- 46.8---
2026-05-20 08:00 amNNW 5.8 11.7----30.27+0.03 52.0- 46.2---
2026-05-20 07:50 amNNW 7.8 11.7 7.5 127.7WNW30.27- 52.2- 46.8---
2026-05-20 07:40 amNNW 9.7 13.6----30.26- 52.2- 46.8---
2026-05-20 07:30 amNNW 9.7 13.6----30.26- 52.3- 47.3---
2026-05-20 07:20 amNNW 7.8 9.7 7.5 127.6WNW30.25- 52.2- 46.8---
2026-05-20 07:10 amNNW 11.7 15.5----30.25- 52.2- 46.9---
2026-05-20 07:00 amNNW 11.7 15.5----30.25+0.00 52.3- 47.5---
2026-05-20 06:50 amNNW 9.7 13.6 7.5 127.3WNW30.25- 52.3- 47.1---
2026-05-20 06:40 amNNW 9.7 15.5----30.25- 52.3- 46.9---
2026-05-20 06:30 amNNW 11.7 13.6----30.24- 52.3- 47.1---
2026-05-20 06:20 amNNW 11.7 15.5 7.2 137.2WNW30.25- 52.3- 47.1---
2026-05-20 06:10 amNNW 11.7 15.5 7.2-7.2WNW30.25- 52.3- 46.9---
2026-05-20 06:00 am N 11.7 13.6----30.25+0.00 52.3- 47.5---
2026-05-20 05:50 amNNW 9.7 13.6 8.9 127.7WNW30.24- 52.5- 47.7---
2026-05-20 05:40 amNNW 9.7 15.5----30.24- 52.5- 47.7---
2026-05-20 05:30 amNNW 11.7 15.5----30.24- 52.5- 47.5---
2026-05-20 05:20 amNNW 11.7 17.5 7.2 136.9WNW30.24- 52.5- 47.3---
2026-05-20 05:10 amNNW 13.6 17.5 7.2-6.9WNW30.24- 52.5- 47.1---
2026-05-20 05:00 amNNW 13.6 17.5----30.24-0.01 52.5- 47.5---
2026-05-20 04:50 amNNW 13.6 19.4 7.5 127.2WNW30.25- 52.5- 47.5---
2026-05-20 04:40 amNNW 13.6 17.5----30.25- 52.7- 47.8---
2026-05-20 04:30 amNNW 13.6 15.5----30.25- 52.7- 47.1---
2026-05-20 04:20 am NW 13.6 17.5 8.2 137.3WNW30.25- 52.7- 47.1---
2026-05-20 04:10 am NW 13.6 17.5----30.25- 52.7- 47.5---
2026-05-20 04:00 am NW 13.6 17.5----30.25-0.01 52.7- 47.8---
2026-05-20 03:50 am NW 13.6 17.5 8.5 137.8WNW30.25- 52.7- 48.4---
2026-05-20 03:40 am NW 13.6 15.5----30.25- 52.7- 48.2---
2026-05-20 03:30 am NW 13.6 17.5----30.25- 52.7- 48.4---
2026-05-20 03:20 am NW 11.7 15.5 6.9 117.0WNW30.25- 52.7- 48.7---
2026-05-20 03:10 am NW 13.6 17.5----30.25- 52.7- 48.6---
2026-05-20 03:00 am NW 13.6 17.5----30.25-0.02 52.7- 48.9---
2026-05-20 02:50 am NW 13.6 17.5 8.2-7.4WNW30.26- 52.7- 48.9---
2026-05-20 02:40 am--- 8.2 127.4WNW--------
2026-05-20 02:30 am NW 13.6 17.5----30.26- 52.9- 49.3---
2026-05-20 02:20 amNNW 13.6 17.5 7.9 137.5WNW30.26- 52.9- 49.1---
2026-05-20 02:10 am NW 13.6 17.5 7.9-7.5WNW30.26- 52.9- 48.9---
2026-05-20 02:00 am NW 13.6 15.5----30.25-0.01 52.9- 48.7---
2026-05-20 01:50 am NW 13.6 17.5 8.5 127.5WNW30.26- 52.9- 48.9---
2026-05-20 01:40 am NW 13.6 17.5----30.26- 52.9- 49.1---
2026-05-20 01:30 am NW 13.6 17.5----30.27- 53.1- 49.5---
2026-05-20 01:20 am NW 13.6 17.5 7.2 137.1 NW30.27- 52.9- 49.3---
2026-05-20 01:10 am NW 13.6 17.5 7.2-7.1 NW30.27- 53.1- 49.6---
2026-05-20 01:00 am NW 13.6 17.5----30.27+0.00 53.1- 49.5---
2026-05-20 12:50 amNNW 13.6 17.5 8.2 127.6WNW30.27- 53.1- 49.5---
2026-05-20 12:40 am NW 13.6 17.5----30.27- 53.1- 49.3---
2026-05-20 12:30 am NW 11.7 17.5----30.27- 53.1- 49.3---
2026-05-20 12:20 am NW 11.7 17.5 6.9 137.0WNW30.27- 53.1- 49.1---
2026-05-20 12:10 amNNW 13.6 17.5----30.27- 52.9- 48.9---
2026-05-20 12:00 am NW 13.6 17.5----30.27+0.01 53.1- 49.5---
2026-05-19 11:50 pm NW 13.6 17.5 6.9 137.5WNW30.27- 53.1- 49.3---
2026-05-19 11:40 pm NW 13.6 17.5 6.9-7.5WNW30.27- 53.2- 49.6---
2026-05-19 11:30 pm NW 13.6 17.5----30.27- 53.2- 49.6---
2026-05-19 11:20 pm NW 11.7 15.5 6.9 137.7WNW30.27- 53.4- 49.5---
2026-05-19 11:10 pm NW 11.7 15.5 6.9-7.7WNW30.27- 53.4- 49.1---
2026-05-19 11:00 pm NW 11.7 15.5----30.27+0.00 53.2- 48.7---
2026-05-19 10:50 pm NW 11.7 15.5 6.6 137.3WNW30.27- 53.4- 49.1---

Wave Summary
for 46041 as of
(10:40 pm PDT on 05/20/2026)
0540 GMT on 05/21/2026:

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): 6.6 ft
5-day plot - Swell Height Swell Height (SwH): 6.2 ft
5-day plot - Swell Period Swell Period (SwP): 10.8 sec
5-day plot - Swell Direction Swell Direction (SwD): NW
5-day plot - Wind Wave Height Wind Wave Height (WWH): 2.3 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 4.3 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD): NW
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): SWELL
5-day plot - Average Wave Period Average Wave Period (APD): 6.9 sec
Previous observations
TIME
(PDT)
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
2026-05-20 10:10 pm 5.9 5.2 10.8WNW 2.3 5.3 NW SWELL 6.5
2026-05-20 09:40 pm 6.2 5.6 11.4WNW 3.0 5.0 WNW SWELL 6.3
2026-05-20 09:10 pm 6.2 5.2 10.8 NW 3.3 6.2 NW SWELL 6.4
2026-05-20 08:40 pm 5.9 4.9 11.4WNW 3.0 5.9 WNW SWELL 6.2
2026-05-20 08:10 pm 5.6 4.9 10.0WNW 2.6 5.9 NW SWELL 6.3
2026-05-20 07:40 pm 5.9 5.2 10.0WNW 3.0 5.6 NW SWELL 6.4
2026-05-20 07:10 pm 5.9 5.2 10.8WNW 2.6 5.9 NW SWELL 6.7
2026-05-20 06:40 pm 6.2 5.9 11.4WNW 2.3 5.3 WNW SWELL 6.9
2026-05-20 06:10 pm 5.6 5.2 10.8WNW 2.0 4.3 NW SWELL 6.7
2026-05-20 05:40 pm 5.9 5.6 11.4WNW 2.0 5.0 WNW SWELL 6.8
2026-05-20 05:10 pm 5.9 5.6 8.3WNW 1.6 3.8 NW AVERAGE 6.7
2026-05-20 04:40 pm 6.9 6.9 10.0WNW 1.6 4.2 NW AVERAGE 7.1
2026-05-20 04:10 pm 6.2 6.2 12.1WNW 1.6 3.8 WNW SWELL 6.9
2026-05-20 03:40 pm 6.6 6.2 11.4WNW 1.3 3.4 WNW SWELL 7.1
2026-05-20 03:10 pm 7.2 6.9 12.1WNW 1.6 3.8 WNW SWELL 7.1
2026-05-20 02:40 pm 8.2 7.9 8.3 NW 1.3 4.0 WNW STEEP 7.4
2026-05-20 02:10 pm 7.2 7.2 12.1WNW 1.3 4.0 WNW SWELL 7.2
2026-05-20 01:40 pm 7.2 7.2 12.1WNW 1.3 3.7 WNW SWELL 7.4
2026-05-20 01:10 pm 7.2 6.9 11.4WNW 1.3 3.1 WNW SWELL 7.3
2026-05-20 12:40 pm 6.6 6.6 9.1WNW 1.3 3.8 WNW AVERAGE 7.1
2026-05-20 12:10 pm 7.9 7.9 12.1WNW 1.3 4.0 WNW SWELL 7.6
2026-05-20 11:40 am 8.2 7.9 10.8WNW 1.3 3.7 WNW SWELL 7.7
2026-05-20 11:10 am 7.2 6.9 12.9WNW 1.3 3.7 WNW SWELL 7.3
2026-05-20 10:40 am 7.2 6.9 8.3 NW 1.3 3.7 WNW STEEP 7.2
2026-05-20 10:10 am 7.5 7.5 12.9WNW 1.3 3.7 WNW SWELL 7.7
2026-05-20 09:40 am 7.9 7.9 12.1WNW 1.6 3.8 WNW SWELL 7.8
2026-05-20 09:10 am 7.5 7.2 12.1WNW 1.3 4.0 WNW SWELL 7.4
2026-05-20 08:40 am 7.9 7.5 10.8WNW 1.6 4.0 WNW SWELL 7.7
2026-05-20 08:10 am 7.2 7.2 12.1WNW 1.6 4.0 NW SWELL 7.4
2026-05-20 07:40 am 7.5 7.2 12.1WNW 2.3 4.5 NW SWELL 7.7
2026-05-20 07:10 am 7.5 7.2 12.1WNW 2.6 5.0 WNW SWELL 7.6
2026-05-20 06:40 am 7.5 7.2 12.1WNW 2.3 4.3 NW SWELL 7.3
2026-05-20 06:10 am 7.2 6.9 12.9WNW 2.6 5.3 WNW SWELL 7.2
2026-05-20 05:40 am 8.9 8.5 12.1WNW 2.6 5.0 WNW SWELL 7.7
2026-05-20 05:10 am 7.2 6.2 12.9WNW 3.3 6.2 WNW SWELL 6.9
2026-05-20 04:40 am 7.5 6.6 12.1WNW 3.9 6.7 NW SWELL 7.2
2026-05-20 04:10 am 8.2 7.5 12.9WNW 3.6 5.3 WNW SWELL 7.3
2026-05-20 03:40 am 8.5 7.5 12.9WNW 3.3 4.8 WNW SWELL 7.8
2026-05-20 03:10 am 6.9 5.9 11.4WNW 3.6 6.7 WNW SWELL 7.0
2026-05-20 02:40 am 8.2 6.9 12.1WNW 4.3 7.1 WNW SWELL 7.4
2026-05-20 02:10 am 7.9 6.9 12.9WNW 3.9 6.7 WNW SWELL 7.5
2026-05-20 01:40 am 8.5 7.5 12.1WNW 3.9 5.0 NW SWELL 7.5
2026-05-20 01:10 am 7.2 6.2 12.9 NW 3.6 5.9 WNW SWELL 7.1
2026-05-20 12:40 am 8.2 7.2 12.1WNW 3.6 5.3 WNW SWELL 7.6
2026-05-20 12:10 am 6.9 5.9 12.9WNW 3.6 6.7 WNW SWELL 7.0
2026-05-19 11:40 pm 6.9 6.2 12.9WNW 3.3 5.0 WNW SWELL 7.5
2026-05-19 11:10 pm 6.9 6.6 12.9WNW 2.6 5.6 WNW SWELL 7.7

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