Station 46006 (LLNR 510) - SOUTHEAST PAPA - 600NM West of Eureka, CA Image indicating link to RSS feed of recent meteorological observations for station 46006


Conditions at 46006 as of
(1:40 am PDT)
0840 GMT on 10/14/2024:
     

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): W ( 260 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 7.8 kts
5-day plot - Wind Gust Wind Gust (GST): 13.6 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.08 in
5-day plot - Air Temperature Air Temperature (ATMP): 64.9 °F
5-day plot - Water Temperature Water Temperature (WTMP): 67.8 °F
5-day plot - Dew Point Dew Point (DEWP): 54.9 °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
Highest 1-minute Wind Speed
Time (PDT)5-day plot - 1-Minute Wind Speed WSPD 5-day plot - 1-Minute Wind Direction WDIR
1:31 am 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
2024-10-14 01:30 amWSW 7.8 11.7----30.08- 64.9 67.8 54.1---
2024-10-14 01:20 amWSW 7.8 11.7 16.4 1611.0WNW30.08- 64.8 67.8 54.5---
2024-10-14 01:10 amWSW 7.8 11.7 16.4-11.0WNW30.08- 64.8 67.8 54.1---
2024-10-14 01:00 amWSW 7.8 11.7----30.08+0.03 64.8 68.0 54.1---
2024-10-14 12:50 amWSW 5.8 11.7 17.1 1711.2WNW30.08- 64.6 68.0 54.0---
2024-10-14 12:40 am SW 5.8 11.7----30.08- 64.4 68.0 53.4---
2024-10-14 12:30 amWSW 7.8 9.7----30.08- 64.6 67.8 53.6---
2024-10-14 12:20 am W 7.8 13.6 15.4-10.7WNW30.08- 64.4- 52.5---
2024-10-14 12:10 am W 9.7 13.6 15.4-10.7WNW30.09- 64.4 68.0 52.7---
2024-10-14 12:00 am W 7.8 13.6----30.08+0.05 63.9 68.0 53.4---
2024-10-13 11:50 pmWNW 7.8 13.6 16.4 1610.8WNW30.08- 63.3 68.0 53.4---
2024-10-13 11:40 pm W 13.6 19.4 16.4-10.8WNW30.08- 63.7 68.0 54.1---
2024-10-13 11:30 pmWNW 11.7 17.5----30.08- 63.3 68.0 54.0---
2024-10-13 11:20 pmWNW 13.6 17.5 15.1 1610.7WNW30.08- 62.8 68.0 54.5---
2024-10-13 11:10 pmWNW 15.5 21.4 15.1-10.7WNW30.07- 62.2 68.0 55.2---
2024-10-13 11:00 pmWNW 21.4 25.3----30.07+0.06 62.4 67.8 55.4---
2024-10-13 10:50 pmWNW 15.5 27.2 16.4 1711.4WNW30.06- 64.8 68.0 54.5---
2024-10-13 10:40 pmWNW 9.7 15.5 16.4-11.4WNW30.05- 65.5 68.0 54.5---
2024-10-13 10:30 pmWNW 9.7 13.6----30.06- 65.3 68.0 55.4---
2024-10-13 10:20 pm W 5.8 11.7 16.7 1711.5 NW30.06- 65.1 68.0 56.3---
2024-10-13 10:10 pmWNW 5.8 11.7 16.7-11.5 NW30.05- 65.1 68.0 55.9---
2024-10-13 10:00 pm W 5.8 11.7----30.05+0.06 64.8 68.0 54.7---
2024-10-13 09:50 pm W 5.8 9.7 15.4 1610.7WNW30.04- 64.6 68.0 54.1---
2024-10-13 09:40 pm W 7.8 11.7 15.4-10.7WNW30.04- 64.6 68.0 52.3---
2024-10-13 09:30 pm W 7.8 13.6----30.04- 64.0 67.8 52.0---
2024-10-13 09:20 pm W 9.7 13.6 18.0 1611.4WNW30.04- 63.1 68.0 52.2---
2024-10-13 09:10 pmWNW 13.6 23.3----30.04- 64.9 67.8 55.4---
2024-10-13 09:00 pm NW 11.7 15.5----30.03+0.06 65.1 67.8 56.7---
2024-10-13 08:50 pm NW 9.7 17.5 16.7 1611.0 NW30.02- 65.1 67.8 56.8---
2024-10-13 08:40 pmWNW 7.8 13.6----30.01- 65.3 67.8 55.8---
2024-10-13 08:30 pmWNW 9.7 13.6----30.01- 65.5 67.8 56.3---
2024-10-13 08:20 pmWNW 9.7 13.6 16.7 1611.0WNW30.01- 65.3 67.8 56.3---
2024-10-13 08:10 pmWNW 9.7 15.5 16.7-11.0WNW30.00- 65.3 67.8 56.8---
2024-10-13 08:00 pmWNW 9.7 13.6----30.01+0.05 65.1 67.8 56.1---
2024-10-13 07:50 pmWNW 9.7 13.6 14.8 1610.6WNW30.00- 65.1 67.8 56.5---
2024-10-13 07:40 pmWNW 9.7 13.6 14.8-10.6WNW30.00- 65.1 67.8 56.8---
2024-10-13 07:30 pm NW 9.7 13.6----29.99- 65.1 67.8 57.0---
2024-10-13 07:20 pm NW 9.7 13.6 16.7 1611.2WNW29.99- 65.3 67.8 57.0---
2024-10-13 07:10 pm NW 11.7 15.5 16.7-11.2WNW29.99- 65.1 67.8 57.0---
2024-10-13 07:00 pm NW 11.7 17.5----29.98+0.04 65.3 67.8 57.7---
2024-10-13 06:50 pm NW 11.7 15.5 14.1 1710.1WNW29.98- 65.7 67.8 57.2---
2024-10-13 06:40 pmWNW 11.7 15.5----29.98- 65.8 67.8 55.9---
2024-10-13 06:30 pmWNW 11.7 15.5----29.98- 66.0 67.8 55.8---
2024-10-13 06:20 pmWNW 11.7 15.5----29.97- 66.0 67.8 55.6---
2024-10-13 06:10 pmWNW 11.7 15.5----29.97- 66.2 67.8 55.9---
2024-10-13 06:00 pmWNW 11.7 17.5----29.97+0.04 66.0 67.8 56.1---
2024-10-13 05:50 pmWNW 11.7 17.5----29.97- 66.0 67.8 55.9---
2024-10-13 05:40 pmWNW 13.6 17.5----29.96- 66.0 67.8 56.1---
2024-10-13 05:30 pm-------29.96-------
2024-10-13 05:20 pmWNW 15.5 19.4----29.96- 66.0 67.8 56.8---
2024-10-13 05:10 pmWNW 13.6 17.5----29.96- 66.0 67.8 56.8---
2024-10-13 05:00 pmWNW 11.7 17.5----29.95+0.02 65.7 67.8 58.3---
2024-10-13 04:50 pm W 11.7 21.4 16.1 1510.6WNW29.95- 65.1 67.8 57.6---
2024-10-13 04:40 pmWNW 15.5 21.4----29.95- 65.8 67.8 58.5---
2024-10-13 04:20 pm W 13.6 17.5 16.7 1510.9WNW29.95- 66.2 67.8 57.9---
2024-10-13 04:10 pm W 13.6 17.5----29.94- 66.4 68.0 57.4---
2024-10-13 04:00 pm W 13.6 19.4----29.95+0.00 65.7 68.0 59.2---
2024-10-13 03:50 pm W 9.7 15.5 15.4 1610.6WNW29.95- 65.5 68.0 60.8---
2024-10-13 03:40 pm W 9.7 13.6----29.94- 65.3 68.0 60.4---
2024-10-13 03:30 pmWSW 7.8 11.7----29.93- 65.3 68.0 60.4---
2024-10-13 03:20 pmWSW 7.8 11.7 14.1 159.8WNW29.93- 65.1 67.8 60.4---
2024-10-13 03:10 pmWSW 5.8 9.7 14.1-9.8WNW29.93- 64.9 67.8 60.4---
2024-10-13 03:00 pmWSW 5.8 11.7----29.93+0.00 64.9 67.8 60.3---
2024-10-13 02:50 pmWSW 5.8 7.8 14.4 1510.0WNW29.93- 64.9 67.8 60.1---
2024-10-13 02:40 pmWSW 5.8 9.7----29.93- 64.8 67.8 60.1---
2024-10-13 02:30 pm W 7.8 11.7----29.94- 64.8 67.8 59.7---
2024-10-13 02:20 pm W 7.8 11.7 12.8 149.4WNW29.95- 64.8 67.8 59.9---
2024-10-13 02:10 pm W 7.8 13.6 12.8-9.4WNW29.95- 64.6 67.8 59.7---
2024-10-13 02:00 pm W 7.8 11.7----29.94+0.02 64.6 67.8 59.4---
2024-10-13 01:50 pm W 7.8 11.7 12.5 149.0WNW29.94- 64.4 67.8 59.4---
2024-10-13 01:40 pm W 9.7 13.6----29.94- 64.4 67.8 60.1---
2024-10-13 01:30 pmWNW 9.7 15.5----29.94- 64.2 67.8 61.0---
2024-10-13 01:20 pmWNW 13.6 19.4 11.5 158.9WNW29.94- 64.2 67.8 61.3---
2024-10-13 01:10 pmWNW 13.6 19.4 11.5-8.9WNW29.94- 65.3 67.8 59.4---
2024-10-13 01:00 pm W 11.7 17.5----29.94+0.04 65.7 67.8 59.2---
2024-10-13 12:50 pm W 11.7 15.5 10.8 128.1WNW29.94- 65.5 67.8 59.2---
2024-10-13 12:40 pm W 11.7 17.5 10.8-8.1WNW29.93- 65.7 67.8 59.0---
2024-10-13 12:30 pm W 13.6 17.5----29.93- 65.8 67.8 59.2---
2024-10-13 12:20 pm W 11.7 15.5 10.5 158.2WNW29.93- 65.7 67.8 58.8---
2024-10-13 12:10 pm W 11.7 17.5 10.5-8.2WNW29.93- 65.3 67.8 59.0---
2024-10-13 12:00 pm W 11.7 15.5----29.93+0.04 64.9 67.8 60.3---
2024-10-13 11:50 am W 13.6 17.5 9.8 127.8WNW29.93- 64.2 67.8 60.1---
2024-10-13 11:40 am W 11.7 17.5----29.93- 63.1 67.8 60.6---
2024-10-13 11:30 am W 13.6 21.4----29.93- 63.9 67.8 61.0---
2024-10-13 11:20 am W 11.7 15.5 10.5 128.1WNW29.92- 64.2 67.8 60.6---
2024-10-13 11:10 amWSW 9.7 13.6 10.5-8.1WNW29.92- 64.6 67.8 60.8---
2024-10-13 11:00 am W 9.7 13.6----29.92+0.04 64.4 67.8 60.6---
2024-10-13 10:50 am W 9.7 13.6 10.5 118.2 W29.92- 64.0 67.8 60.8---
2024-10-13 10:40 am W 11.7 15.5----29.91- 63.9 67.8 60.4---
2024-10-13 10:30 am W 11.7 15.5----29.91- 63.9 67.8 60.8---
2024-10-13 10:20 am W 11.7 15.5 9.8 108.0 W29.91- 63.9 67.8 61.2---
2024-10-13 10:10 amWSW 11.7 15.5 9.8-8.0 W29.91- 63.7 67.8 61.2---
2024-10-13 10:00 amWSW 11.7 13.6----29.90+0.03 63.5 67.8 61.3---
2024-10-13 09:50 amWSW 11.7 13.6 10.2 117.8 W29.90- 63.3 67.8 61.3---
2024-10-13 09:40 am W 13.6 19.4----29.90- 63.3 67.8 61.5---
2024-10-13 09:30 am W 13.6 17.5----29.90- 63.0 67.8 61.5---
2024-10-13 09:20 am W 13.6 17.5 9.2 107.5WNW29.90- 63.0 67.8 61.5---
2024-10-13 09:10 am W 13.6 17.5 9.2-7.5WNW29.89- 63.0 67.8 61.5---
2024-10-13 09:00 am W 15.5 19.4----29.90+0.03 63.3 67.8 61.2---
2024-10-13 08:50 am W 13.6 19.4 9.5 127.7WNW29.89- 63.3 67.8 61.3---
2024-10-13 08:40 am W 13.6 15.5----29.88- 63.3 67.8 61.2---
2024-10-13 08:30 am W 13.6 19.4----29.88- 63.3 67.8 61.2---
2024-10-13 08:20 am W 13.6 19.4 8.9 117.3WNW29.88- 63.1 67.8 61.3---
2024-10-13 08:10 amWNW 13.6 17.5 8.9-7.3WNW29.88- 63.0 67.8 61.7---
2024-10-13 08:00 amWNW 13.6 19.4----29.88+0.00 63.0 67.8 61.7---
2024-10-13 07:50 amWNW 15.5 19.4 9.2 97.7WNW29.88- 63.1 67.8 62.1---
2024-10-13 07:40 amWNW 15.5 19.4----29.88- 63.0 67.8 61.9---
2024-10-13 07:30 amWNW 15.5 21.4----29.87- 63.5 67.8 62.1---
2024-10-13 07:20 am W 13.6 17.5 9.5 117.6WNW29.87- 63.5 67.8 62.1---
2024-10-13 07:10 am W 11.7 15.5 9.5-7.6WNW29.87- 62.8 68.0 61.2---
2024-10-13 07:00 am W 13.6 17.5----29.87-0.02 63.0 68.0 61.2---
2024-10-13 06:50 am W 13.6 19.4 9.5 117.5 W29.87- 63.3 68.0 61.5---
2024-10-13 06:40 amWSW 11.7 15.5----29.87- 63.3 68.0 61.2---
2024-10-13 06:30 am W 9.7 13.6----29.86- 63.1 68.0 60.8---
2024-10-13 06:20 am W 11.7 13.6 8.9 117.5WNW29.86- 63.1 67.8 61.0---
2024-10-13 06:10 am W 13.6 17.5----29.86- 63.7 68.0 61.9---
2024-10-13 06:00 am W 11.7 13.6----29.86-0.01 63.9 68.0 62.2---
2024-10-13 05:50 am W 13.6 17.5 8.9 107.5WNW29.87- 63.9 68.0 61.9---
2024-10-13 05:40 am W 13.6 17.5----29.87- 64.4 68.0 62.8---
2024-10-13 05:30 am W 13.6 17.5----29.87- 65.1 68.0 63.3---
2024-10-13 05:20 am W 9.7 15.5 8.9 107.4WNW29.88- 66.7 68.0 64.9---
2024-10-13 05:10 amWSW 9.7 13.6 8.9-7.4WNW29.88- 67.3 68.0 65.3---
2024-10-13 05:00 am SW 9.7 13.6----29.88-0.03 67.5 68.0 65.5---
2024-10-13 04:50 am SW 9.7 13.6 9.2 107.7WNW29.88- 67.5 68.0 65.5---
2024-10-13 04:40 am SW 9.7 11.7 9.2-7.7WNW29.88- 67.3 67.8 65.3---
2024-10-13 04:30 amSSW 9.7 13.6----29.88- 67.3 67.8 65.5---
2024-10-13 04:20 amSSW 9.7 11.7 8.5 107.2WNW29.89- 67.1 67.8 65.3---
2024-10-13 04:10 amSSW 9.7 11.7 8.5-7.2WNW29.89- 66.9 67.8 65.3---
2024-10-13 04:00 amSSW 9.7 11.7----29.88-0.03 66.7 67.8 65.1---
2024-10-13 03:50 amSSW 7.8 11.7 8.2 117.0 W29.89- 66.4 67.8 64.9---
2024-10-13 03:40 am S 7.8 9.7----29.89- 66.2 67.8 64.8---
2024-10-13 03:30 am S 7.8 11.7----29.89- 65.8 67.8 64.6---
2024-10-13 03:20 am S 9.7 11.7 8.5 107.2WNW29.88- 65.5 67.8 64.6---
2024-10-13 03:10 amSSE 7.8 11.7 8.5-7.2WNW29.88- 65.1 67.8 64.2---
2024-10-13 03:00 amSSE 7.8 9.7----29.88-0.04 64.9 67.6 64.0---
2024-10-13 02:50 am SE 7.8 9.7 9.2 107.6WNW29.88- 64.4 67.6 63.7---
2024-10-13 02:40 am SE 5.8 9.7----29.88- 64.0 67.8 63.3---
2024-10-13 02:30 am SE 3.9 7.8----29.89- 63.7 67.8 63.0---
2024-10-13 02:20 amESE 1.9 5.8 8.9 97.2WNW29.90- 63.5 67.8 62.8---
2024-10-13 02:10 am E 1.9 5.8 8.9-7.2WNW29.90- 63.0 67.8 62.1---
2024-10-13 02:00 am N 3.9 7.8----29.91+0.00 62.8 67.8 61.9---
2024-10-13 01:50 amNNW 1.9 5.8 8.9 107.3 W29.91- 62.8 67.8 61.7---

Detailed Wave Summary
for 46006 as of (1:10 am PDT)
0810 GMT on 10/14/2024:

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): 16.4 ft
5-day plot - Swell Height Swell Height (SwH): 16.4 ft
5-day plot - Swell Period Swell Period (SwP): 16.0 sec
5-day plot - Swell Direction Swell Direction (SwD):WNW
5-day plot - Wind Wave Height Wind Wave Height (WWH): 1.6 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 3.4 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD):WNW
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): SWELL
5-day plot - Average Wave Period Average Wave Period (APD): 11.0 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
2024-10-14 12:40 am 17.1 17.1 17.4WNW 1.6 4.0 W SWELL 11.2
2024-10-14 12:10 am 15.4 15.4 16.0WNW 1.6 4.0 W SWELL 10.7
2024-10-13 11:40 pm 16.4 15.7 16.0WNW 4.3 5.3 W SWELL 10.8
2024-10-13 11:10 pm 15.1 14.4 16.0WNW 4.6 7.1 W SWELL 10.7
2024-10-13 10:40 pm 16.4 16.4 17.4WNW 2.3 4.5 W SWELL 11.4
2024-10-13 10:10 pm 16.7 16.7 17.4 NW 1.3 3.2 WNW SWELL 11.5
2024-10-13 09:40 pm 15.4 15.4 16.0WNW 1.3 3.7 W SWELL 10.7
2024-10-13 09:10 pm 18.0 17.7 16.0WNW 4.3 5.3 WSW SWELL 11.4
2024-10-13 08:40 pm 16.7 16.4 16.0 NW 1.6 4.2 WSW SWELL 11.0
2024-10-13 08:10 pm 16.7 16.7 16.0WNW 2.0 3.8 W SWELL 11.0
2024-10-13 07:40 pm 14.8 14.4 16.0WNW 2.0 4.2 W SWELL 10.6
2024-10-13 07:10 pm 16.7 16.4 16.0WNW 2.6 4.8 W SWELL 11.2
2024-10-13 06:40 pm 14.1 14.1 17.4WNW 2.6 4.8 WSW SWELL 10.1
2024-10-13 04:40 pm 16.1 15.1 14.8WNW 4.9 7.1 WSW SWELL 10.6
2024-10-13 04:10 pm 16.7 16.4 14.8WNW 3.9 5.9 SW SWELL 10.9
2024-10-13 03:40 pm 15.4 15.4 16.0WNW 2.0 4.3 W SWELL 10.6
2024-10-13 03:10 pm 14.1 13.8 14.8WNW 2.0 4.0 WSW SWELL 9.8
2024-10-13 02:40 pm 14.4 14.1 14.8WNW 2.0 4.0 W SWELL 10.0
2024-10-13 02:10 pm 12.8 12.8 13.8WNW 2.0 4.0 WSW SWELL 9.4
2024-10-13 01:40 pm 12.5 12.5 13.8WNW 2.6 4.3 WSW SWELL 9.0
2024-10-13 01:10 pm 11.5 10.8 14.8WNW 4.6 6.2 SW SWELL 8.9
2024-10-13 12:40 pm 10.8 10.5 12.1WNW 3.3 4.8 SW SWELL 8.1
2024-10-13 12:10 pm 10.5 9.8 14.8WNW 3.6 5.0 SW SWELL 8.2
2024-10-13 11:40 am 9.8 9.2 12.1WNW 3.6 4.5 WSW SWELL 7.8
2024-10-13 11:10 am 10.5 10.2 12.1WNW 3.0 5.0 WSW SWELL 8.1
2024-10-13 10:40 am 10.5 10.2 10.8 W 3.0 5.0 WSW AVERAGE 8.2
2024-10-13 10:10 am 9.8 9.2 10.0 W 3.6 5.9 SW AVERAGE 8.0
2024-10-13 09:40 am 10.2 9.2 11.4 W 4.3 6.2 W SWELL 7.8
2024-10-13 09:10 am 9.2 8.2 10.0WNW 3.6 4.8 SW AVERAGE 7.5
2024-10-13 08:40 am 9.5 8.9 12.1WNW 3.9 5.6 SW SWELL 7.7
2024-10-13 08:10 am 8.9 7.9 10.8WNW 3.9 5.9 SW AVERAGE 7.3
2024-10-13 07:40 am 9.2 7.9 9.1WNW 4.6 7.1 WSW AVERAGE 7.7
2024-10-13 07:10 am 9.5 8.9 10.8WNW 3.3 3.8 SSW AVERAGE 7.6
2024-10-13 06:40 am 9.5 8.9 10.8 W 3.6 5.9 SW AVERAGE 7.5
2024-10-13 06:10 am 8.9 8.2 10.8WNW 3.9 5.3 SW AVERAGE 7.5
2024-10-13 05:40 am 8.9 7.9 10.0WNW 4.3 6.2 WSW AVERAGE 7.5
2024-10-13 05:10 am 8.9 8.2 10.0WNW 2.3 4.8 SSW AVERAGE 7.4
2024-10-13 04:40 am 9.2 8.9 10.0WNW 2.0 4.3 W AVERAGE 7.7
2024-10-13 04:10 am 8.5 8.5 10.0WNW 2.3 4.3 WSW AVERAGE 7.2
2024-10-13 03:40 am 8.2 7.9 11.4 W 1.6 3.3 SW SWELL 7.0
2024-10-13 03:10 am 8.5 8.2 10.0WNW 1.6 4.2 SSW AVERAGE 7.2
2024-10-13 02:40 am 9.2 8.9 10.0WNW 1.6 4.0 WSW AVERAGE 7.6
2024-10-13 02:10 am 8.9 8.5 9.1WNW 1.6 3.8 WSW AVERAGE 7.2

Plot of wave energy versus frequency (and period)