Station 42059 - Eastern Caribbean Sea - 180 NM SSW of Ponce, PR Image indicating link to RSS feed of recent meteorological observations for station 42059


Conditions at 42059 as of
(10:20 am EST)
1520 GMT on 05/03/2024:
     

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):ESE ( 120 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 13.6 kts
5-day plot - Wind Gust Wind Gust (GST): 15.5 kts
5-day plot - Wave Height Wave Height (WVHT): 4.9 ft
5-day plot - Dominant Wave Period Dominant Wave Period (DPD): 7 sec
5-day plot - Average Wave Period Average Period (APD): 5.2 sec
5-day plot - Mean Wave Direction Mean Wave Direction (MWD):ESE ( 108 deg true )
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.81 in
5-day plot - Air Temperature Air Temperature (ATMP): 84.4 °F
5-day plot - Dew Point Dew Point (DEWP): 80.8 °F
5-day plot - Heat Index Heat Index (HEAT): 99.0 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 15.5 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 15.5 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 (EST)5-day plot - 1-Minute Wind Speed WSPD 5-day plot - 1-Minute Wind Direction WDIR
10:14 am 13.6 kts-
Previous observations
TIME
(EST)
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
2024-05-03 10:10 am SE 11.7 15.5----29.82- 84.4- 81.0---
2024-05-03 10:00 am SE 11.7 13.6----29.82+0.04 84.4- 81.1---
2024-05-03 09:50 amESE 9.7 11.7 4.6 75.1ESE29.83- 84.4- 81.0---
2024-05-03 09:40 amESE 11.7 13.6----29.83- 84.6- 80.8---
2024-05-03 09:30 amESE 11.7 15.5----29.83- 84.4- 80.4---
2024-05-03 09:20 amESE 11.7 13.6 4.9 65.1ESE29.83- 84.4- 80.4---
2024-05-03 09:10 amESE 11.7 13.6----29.83- 84.4- 80.8---
2024-05-03 09:00 amESE 11.7 13.6----29.83+0.07 84.4- 81.0---
2024-05-03 08:50 amESE 11.7 15.5 4.9 65.3 E29.82- 84.4- 80.8---
2024-05-03 08:40 amESE 11.7 15.5----29.82- 84.4- 81.0---
2024-05-03 08:30 amESE 13.6 17.5----29.82- 84.2- 80.4---
2024-05-03 08:20 amESE 13.6 17.5 4.6 65.1ESE29.81- 84.2- 80.4---
2024-05-03 08:10 amESE 13.6 15.5 4.6-5.1ESE29.81- 84.2- 80.4---
2024-05-03 08:00 amESE 13.6 17.5----29.80+0.05 84.2- 80.4---
2024-05-03 07:50 amESE 13.6 17.5 4.9 65.2 E29.80- 84.2- 80.6---
2024-05-03 07:40 amESE 13.6 17.5----29.80- 84.2- 80.8---
2024-05-03 07:30 amESE 13.6 17.5----29.80- 84.2- 80.6---
2024-05-03 07:20 amESE 15.5 17.5 4.9 75.3ESE29.79- 84.0- 80.4---
2024-05-03 07:10 amESE 13.6 17.5 4.9-5.3ESE29.78- 84.0- 80.8---
2024-05-03 07:00 amESE 13.6 17.5----29.78+0.04 84.0- 80.8---
2024-05-03 06:50 amESE 15.5 17.5 4.9 75.2ESE29.78- 83.8- 80.4---
2024-05-03 06:40 amESE 13.6 17.5----29.78- 83.8- 80.6---
2024-05-03 06:30 amESE 15.5 17.5----29.77- 83.8- 80.4---
2024-05-03 06:20 amESE 15.5 19.4 4.6 75.2 E29.77- 83.8- 80.4---
2024-05-03 06:10 amESE 15.5 19.4 4.6-5.2 E29.77- 83.7- 80.4---
2024-05-03 06:00 amESE 13.6 17.5----29.76+0.01 83.7- 80.4---
2024-05-03 05:50 amESE 13.6 17.5 4.6 75.2 E29.76- 83.5- 80.2---
2024-05-03 05:40 amESE 13.6 17.5----29.76- 83.7- 80.2---
2024-05-03 05:30 amESE 13.6 17.5----29.75- 83.5- 80.1---
2024-05-03 05:20 amESE 13.6 17.5 4.9 75.4ESE29.75- 83.5- 80.1---
2024-05-03 05:10 amESE 13.6 17.5 4.9-5.4ESE29.75- 83.5- 80.4---
2024-05-03 05:00 amESE 13.6 15.5----29.75+0.01 83.5- 80.2---
2024-05-03 04:50 amESE 13.6 17.5 4.6 65.3ENE29.75- 83.5- 80.2---
2024-05-03 04:40 amESE 13.6 17.5----29.75- 83.5- 80.4---
2024-05-03 04:30 am E 13.6 17.5----29.75- 83.5- 80.4---
2024-05-03 04:20 am E 13.6 15.5 4.6 75.4 E29.74- 83.5- 80.2---
2024-05-03 04:10 am E 13.6 15.5 4.6-5.4 E29.74- 83.5- 80.4---
2024-05-03 04:00 am E 13.6 17.5----29.74-0.02 83.5- 80.2---
2024-05-03 03:50 am E 13.6 15.5 4.9 75.5ESE29.74- 83.5- 80.4---
2024-05-03 03:40 am E 13.6 15.5----29.74- 83.5- 80.4---
2024-05-03 03:30 am E 13.6 15.5----29.74- 83.7- 80.2---
2024-05-03 03:20 am E 11.7 15.5 4.3 75.3 E29.74- 83.7- 80.1---
2024-05-03 03:10 am E 11.7 15.5 4.3-5.3 E29.75- 83.5- 80.1---
2024-05-03 03:00 am E 11.7 13.6----29.75-0.03 83.5- 80.4---
2024-05-03 02:50 am E 11.7 13.6 4.9 65.3ESE29.75- 83.5- 80.2---
2024-05-03 02:40 am E 13.6 15.5----29.74- 83.5- 80.2---
2024-05-03 02:30 am E 13.6 15.5----29.74- 83.5- 80.1---
2024-05-03 02:20 am E 13.6 15.5 4.9 75.4 E29.74- 83.5- 80.1---
2024-05-03 02:10 am E 11.7 15.5----29.74- 83.7- 80.1---
2024-05-03 02:00 am E 11.7 15.5----29.74-0.04 83.5- 79.7---
2024-05-03 01:50 am E 11.7 15.5 4.9 75.5 E29.74- 83.5- 80.1---
2024-05-03 01:40 amESE 11.7 15.5----29.75- 83.7- 80.1---
2024-05-03 01:30 amESE 13.6 15.5----29.75- 83.5- 79.9---
2024-05-03 01:20 amESE 13.6 15.5 4.6 75.2 E29.75- 83.7- 79.9---
2024-05-03 01:10 amESE 13.6 15.5 4.6-5.2 E29.75- 83.7- 79.7---
2024-05-03 01:00 amESE 11.7 15.5----29.76-0.03 83.7- 79.9---
2024-05-03 12:50 am E 11.7 13.6 4.6 65.3ESE29.76- 83.7- 79.9---
2024-05-03 12:40 am E 11.7 13.6----29.77- 83.5- 80.1---
2024-05-03 12:30 am E 11.7 13.6----29.77- 83.7- 80.2---
2024-05-03 12:20 am E 11.7 15.5 4.6 75.2 E29.78- 83.7- 80.1---
2024-05-03 12:10 am E 11.7 15.5 4.6-5.2 E29.78- 83.8- 80.1---
2024-05-03 12:00 amESE 13.6 15.5----29.78-0.01 83.7- 79.7---
2024-05-02 11:50 pmESE 11.7 15.5 4.9 75.3 E29.78- 83.7- 80.2---
2024-05-02 11:40 pm E 11.7 15.5----29.78- 83.7- 80.2---
2024-05-02 11:30 pmESE 11.7 15.5----29.78- 83.7- 80.2---
2024-05-02 11:20 pmESE 11.7 15.5 4.9 75.2ESE29.79- 83.7- 80.2---
2024-05-02 11:10 pm E 11.7 15.5 4.9-5.2ESE29.79- 83.7- 80.6---
2024-05-02 11:00 pm E 11.7 15.5----29.79+0.00 83.7- 80.8---
2024-05-02 10:50 pm E 11.7 15.5 4.6 75.3 E29.79- 83.7- 80.4---
2024-05-02 10:40 pm E 11.7 15.5 4.6-5.3 E29.79- 83.8- 80.4---
2024-05-02 10:30 pm E 13.6 15.5----29.79- 83.7- 80.1---
2024-05-02 10:20 pm E 11.7 15.5 4.9 65.3ESE29.79- 83.7- 80.2---
2024-05-02 10:10 pm E 13.6 15.5 4.9-5.3ESE29.79- 83.7- 80.2---
2024-05-02 10:00 pm E 11.7 15.5----29.79+0.03 83.8- 80.4---
2024-05-02 09:50 pm E 11.7 13.6 4.6 65.1ESE29.79- 83.8- 80.2---
2024-05-02 09:40 pm E 11.7 13.6----29.79- 83.8- 80.2---
2024-05-02 09:30 pm E 11.7 13.6----29.80- 83.8- 80.4---
2024-05-02 09:20 pm E 11.7 13.6 4.6 65.3ESE29.80- 83.8- 80.6---
2024-05-02 09:10 pm E 9.7 13.6 4.6-5.3ESE29.80- 83.8- 80.4---
2024-05-02 09:00 pm E 11.7 13.6----29.79+0.05 83.8- 80.2---
2024-05-02 08:50 pm E 11.7 13.6 5.2 65.4 E29.79- 83.8- 80.4---
2024-05-02 08:40 pm E 11.7 13.6----29.79- 83.8- 80.4---
2024-05-02 08:30 pm E 9.7 13.6----29.79- 83.8- 80.2---
2024-05-02 08:20 pm E 11.7 13.6 5.2 65.5 E29.79- 83.8- 80.1---
2024-05-02 08:10 pm E 11.7 13.6 5.2-5.5 E29.78- 83.8- 79.9---
2024-05-02 08:00 pm E 9.7 11.7----29.78+0.05 83.8- 80.2---
2024-05-02 07:50 pm E 9.7 13.6 5.2 65.4 E29.78- 83.8- 80.1---
2024-05-02 07:40 pm E 11.7 13.6----29.78- 83.8- 80.1---
2024-05-02 07:30 pm E 11.7 13.6----29.77- 83.8- 80.1---
2024-05-02 07:20 pm E 9.7 13.6 5.2 75.5 E29.77- 83.8- 80.1---
2024-05-02 07:10 pm E 9.7 13.6 5.2-5.5 E29.77- 83.8- 79.9---
2024-05-02 07:00 pm E 9.7 13.6----29.76+0.05 83.8- 79.9---
2024-05-02 06:50 pm E 11.7 15.5 5.2 75.6 E29.76- 83.8- 79.9---
2024-05-02 06:40 pm E 11.7 13.6----29.76- 83.8- 79.7---
2024-05-02 06:20 pm E 11.7 13.6 4.9 65.5ESE29.75- 83.8- 79.5---
2024-05-02 06:10 pm E 11.7 13.6 4.9-5.5ESE29.75- 83.8- 79.7---
2024-05-02 06:00 pm E 11.7 13.6----29.74+0.03 83.8- 79.5---
2024-05-02 05:50 pm E 11.7 13.6 4.9 75.6 E29.74- 84.0- 79.7---
2024-05-02 05:40 pm E 11.7 13.6 4.9-5.6 E29.74- 83.8- 79.3---
2024-05-02 05:30 pm E 9.7 13.6----29.73- 84.0- 79.5---
2024-05-02 05:20 pm E 9.7 13.6 5.2 75.6ENE29.73- 84.0- 79.5---
2024-05-02 05:10 pm E 11.7 13.6 5.2-5.6ENE29.73- 84.0- 79.3---
2024-05-02 05:00 pm E 9.7 13.6----29.73-0.01 84.2- 79.5---
2024-05-02 04:50 pm E 11.7 13.6 4.9 75.6ENE29.72- 84.0- 79.3---
2024-05-02 04:40 pmESE 11.7 13.6----29.72- 84.2- 79.5---
2024-05-02 04:30 pm E 11.7 13.6----29.72- 84.2- 79.3---
2024-05-02 04:20 pmESE 11.7 13.6 5.2 75.7ENE29.72- 84.2- 79.3---
2024-05-02 04:10 pmESE 11.7 15.5 5.2-5.7ENE29.72- 84.2- 79.0---
2024-05-02 04:00 pmESE 11.7 15.5----29.71-0.04 84.2- 78.6---
2024-05-02 03:50 pmESE 11.7 13.6 5.2 65.6ESE29.71- 84.2- 79.0---
2024-05-02 03:40 pmESE 11.7 13.6----29.71- 84.4- 79.0---
2024-05-02 03:30 pmESE 13.6 15.5----29.72- 84.4- 78.6---
2024-05-02 03:20 pmESE 11.7 15.5 4.9 65.4ESE29.72- 84.2- 79.0---
2024-05-02 03:10 pmESE 11.7 15.5----29.72- 84.2- 79.5---
2024-05-02 03:00 pmESE 13.6 15.5----29.72-0.07 84.2- 79.5---
2024-05-02 02:50 pmESE 13.6 15.5 4.9 75.4 E29.72- 84.2- 79.3---
2024-05-02 02:40 pmESE 11.7 15.5----29.73- 84.2- 79.5---
2024-05-02 02:30 pmESE 11.7 13.6----29.73- 84.2- 79.5---
2024-05-02 02:20 pmESE 11.7 13.6 5.2 75.5ENE29.73- 84.0- 79.3---
2024-05-02 02:10 pmESE 11.7 13.6----29.74- 84.0- 79.7---
2024-05-02 02:00 pmESE 11.7 13.6----29.74-0.06 84.2- 79.5---
2024-05-02 01:50 pmESE 11.7 13.6 5.2 75.3ENE29.75- 84.0- 79.3---
2024-05-02 01:40 pmESE 11.7 13.6----29.75- 84.0- 79.3---
2024-05-02 01:30 pmESE 11.7 13.6----29.75- 84.0- 79.7---
2024-05-02 01:20 pmESE 11.7 13.6 5.6 65.3 E29.75- 84.0- 79.5---
2024-05-02 01:10 pmESE 13.6 17.5 5.6-5.3 E29.76- 84.0- 79.3---
2024-05-02 01:00 pmESE 13.6 17.5----29.76-0.06 84.0- 79.3---
2024-05-02 12:50 pmESE 13.6 15.5 5.2 75.4ENE29.77- 84.0- 79.7---
2024-05-02 12:40 pmESE 13.6 17.5----29.77- 84.0- 79.5---
2024-05-02 12:30 pmESE 13.6 17.5----29.77- 84.0- 79.3---
2024-05-02 12:20 pmESE 13.6 17.5 5.9 75.4 E29.78- 84.0- 79.0---
2024-05-02 12:10 pmESE 13.6 17.5 5.9-5.4 E29.79- 84.0- 78.8---
2024-05-02 12:00 pm SE 13.6 15.5----29.79-0.03 84.0- 79.0---
2024-05-02 11:50 amESE 13.6 17.5 5.6 75.3ENE29.79- 84.0- 79.2---
2024-05-02 11:40 amESE 13.6 17.5----29.80- 84.0- 79.2---
2024-05-02 11:30 amESE 13.6 17.5----29.80- 84.0- 79.2---
2024-05-02 11:20 amESE 15.5 19.4 5.9 75.2 E29.80- 84.0- 79.2---
2024-05-02 11:10 amESE 15.5 17.5 5.9-5.2 E29.80- 84.0- 79.0---
2024-05-02 11:00 amESE 15.5 19.4----29.80-0.01 84.0- 78.8---
2024-05-02 10:50 amESE 15.5 17.5 6.6 75.5ENE29.81- 84.0- 79.0---
2024-05-02 10:40 amESE 15.5 19.4----29.81- 84.0- 78.6---
2024-05-02 10:30 amESE 15.5 19.4----29.81- 84.0- 78.8---
2024-05-02 10:20 amESE 15.5 19.4 5.9 75.3ENE29.82- 84.0- 78.6---
2024-05-02 10:10 amESE 15.5 19.4----29.82- 84.0- 78.4---
2024-05-02 10:00 amESE 15.5 19.4----29.83+0.03 84.0- 78.4---
2024-05-02 09:50 amESE 17.5 19.4 6.2 75.3ENE29.83- 84.0- 78.4---

Detailed Wave Summary
for 42059 as of (10:10 am EST)
1510 GMT on 05/03/2024:

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): 4.9 ft
5-day plot - Swell Height Swell Height (SwH): 3.6 ft
5-day plot - Swell Period Swell Period (SwP): 6.7 sec
5-day plot - Swell Direction Swell Direction (SwD):ESE
5-day plot - Wind Wave Height Wind Wave Height (WWH): 3.3 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 5.3 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD): E
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): STEEP
5-day plot - Average Wave Period Average Wave Period (APD): 5.2 sec
Previous observations
TIME
(EST)
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
2024-05-03 09:40 am 4.6 3.9 6.7ESE 2.6 4.5 E STEEP 5.1
2024-05-03 09:10 am 4.9 3.6 5.9ESE 3.3 4.8 ESEVERY_STEEP 5.1
2024-05-03 08:40 am 4.9 3.9 6.2 E 3.0 4.3 ESE STEEP 5.3
2024-05-03 08:10 am 4.6 2.3 7.1ENE 3.9 6.2 ESE STEEP 5.1
2024-05-03 07:40 am 4.9 0.0-- 4.9 6.2 E STEEP 5.2
2024-05-03 07:10 am 4.9 2.0 10.8NNE 4.6 6.7 ESE STEEP 5.3
2024-05-03 06:40 am 4.9 2.0 10.0 E 4.6 6.7 ESE STEEP 5.2
2024-05-03 06:10 am 4.6 1.6 10.8ENE 4.3 6.7 E STEEP 5.2
2024-05-03 05:40 am 4.6 1.6 10.8 E 4.3 6.7 E STEEP 5.2
2024-05-03 05:10 am 4.9 3.0 10.8NNE 3.9 6.7 ESE STEEP 5.4
2024-05-03 04:40 am 4.6 2.3 8.3 NE 3.9 6.2 ENE STEEP 5.3
2024-05-03 04:10 am 4.6 2.6 10.0ENE 3.9 6.7 E STEEP 5.4
2024-05-03 03:40 am 4.9 3.3 6.7ESE 3.6 5.6 E STEEP 5.5
2024-05-03 03:10 am 4.3 3.3 6.7 E 3.0 5.6 ESE STEEP 5.3
2024-05-03 02:40 am 4.9 3.3 11.4 NE 3.6 6.2 ESE STEEP 5.3
2024-05-03 02:10 am 4.9 3.6 6.7 E 3.0 5.0 ESE STEEP 5.4
2024-05-03 01:40 am 4.9 3.9 6.7 E 3.0 4.3 ESE STEEP 5.5
2024-05-03 01:10 am 4.6 3.0 6.7 E 3.3 4.8 ESE STEEP 5.2
2024-05-03 12:40 am 4.6 3.6 6.2ESE 2.6 4.5 ESE STEEP 5.3
2024-05-03 12:10 am 4.6 3.3 6.7 E 3.0 5.9 ESE STEEP 5.2
2024-05-02 11:40 pm 4.9 3.6 6.7 E 3.0 5.3 E STEEP 5.3
2024-05-02 11:10 pm 4.9 3.6 6.7ESE 3.3 4.8 ESE STEEP 5.2
2024-05-02 10:40 pm 4.6 3.6 6.7 E 3.0 4.8 E STEEP 5.3
2024-05-02 10:10 pm 4.9 3.0 10.8ENE 3.9 5.9 ESEVERY_STEEP 5.3
2024-05-02 09:40 pm 4.6 3.3 6.2ESE 3.0 4.2 ESE STEEP 5.1
2024-05-02 09:10 pm 4.6 3.9 6.2ESE 2.3 4.8 ESE STEEP 5.3
2024-05-02 08:40 pm 5.2 4.6 6.2 E 2.6 4.3 ESE STEEP 5.4
2024-05-02 08:10 pm 5.2 4.6 6.2 E 2.6 4.8 E STEEP 5.5
2024-05-02 07:40 pm 5.2 4.3 6.2 E 2.6 4.3 ESE STEEP 5.4
2024-05-02 07:10 pm 5.2 4.6 6.7 E 2.3 5.0 ESE STEEP 5.5
2024-05-02 06:40 pm 5.2 4.3 6.7 E 2.6 4.8 ESE STEEP 5.6
2024-05-02 06:10 pm 4.9 4.3 6.2ESE 2.6 5.0 ESE STEEP 5.5
2024-05-02 05:40 pm 4.9 4.3 6.7 E 2.6 4.2 ESE STEEP 5.6
2024-05-02 05:10 pm 5.2 4.6 7.1ENE 2.6 4.8 ESE STEEP 5.6
2024-05-02 04:40 pm 4.9 4.3 7.1ENE 2.3 4.3 ESE STEEP 5.6
2024-05-02 04:10 pm 5.2 4.6 7.1ENE 2.6 4.0 ESE STEEP 5.7
2024-05-02 03:40 pm 5.2 4.3 6.2ESE 3.0 5.0 ESE STEEP 5.6
2024-05-02 03:10 pm 4.9 3.6 10.8NNE 3.3 5.9 ESEVERY_STEEP 5.4
2024-05-02 02:40 pm 4.9 4.3 6.7 E 3.0 4.3 E STEEP 5.4
2024-05-02 02:10 pm 5.2 4.6 7.1ENE 2.6 4.0 ESE STEEP 5.5
2024-05-02 01:40 pm 5.2 3.9 6.7ENE 3.6 5.3 ESE STEEP 5.3
2024-05-02 01:10 pm 5.6 3.3 7.1ENE 4.6 6.2 EVERY_STEEP 5.3
2024-05-02 12:40 pm 5.2 3.0 10.0 N 4.6 6.7 ENE STEEP 5.4
2024-05-02 12:10 pm 5.9 3.0 12.1ENE 4.9 6.7 E STEEP 5.4
2024-05-02 11:40 am 5.6 3.0 11.4NNE 4.6 6.7 ENE STEEP 5.3
2024-05-02 11:10 am 5.9 2.3 12.1NNW 5.2 7.1 E STEEP 5.2
2024-05-02 10:40 am 6.6 1.6 12.1NNE 6.2 7.1 ENE STEEP 5.5
2024-05-02 10:10 am 5.9 2.0 12.1NNE 5.6 7.1 ENE STEEP 5.3

Plot of wave energy versus frequency (and period)