Station 46013 (LLNR 390) - BODEGA BAY - 48NM NW of San Francisco, CA Image indicating link to RSS feed of recent meteorological observations for station 46013


Conditions at 46013 as of
(3:10 pm PDT)
2210 GMT on 08/04/2026:
     

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):SSE ( 160 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 5.8 kts
5-day plot - Wind Gust Wind Gust (GST): 7.8 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.85 in
5-day plot - Air Temperature Air Temperature (ATMP): 55.0 °F
5-day plot - Dew Point Dew Point (DEWP): 54.5 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 5.8 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 5.8 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 (PDT)Pressure
3:02 pm29.85 in
Highest 1-minute Wind Speed
Time (PDT)5-day plot - 1-Minute Wind Speed WSPD 5-day plot - 1-Minute Wind Direction WDIR
3:10 pm 5.8 ktsSSE ( 160 deg true )
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
2026-08-04 03:00 pmSSE 3.9 5.8----29.85-0.02 55.2- 54.7---
2026-08-04 02:50 pmSSE 3.9 5.8 3.9 86.2WNW29.85- 55.2- 54.7---
2026-08-04 02:40 pmSSE 5.8 5.8----29.85- 55.0- 54.5---
2026-08-04 02:30 pmSSE 3.9 5.8----29.85- 55.4- 54.9---
2026-08-04 02:20 pm SE 5.8 5.8 4.3 106.3 NW29.85- 55.4- 54.9---
2026-08-04 02:10 pm SE 3.9 5.8 4.3-6.3 NW29.85- 55.2- 54.7---
2026-08-04 02:00 pm SE 3.9 5.8----29.86-0.01 55.0- 54.5---
2026-08-04 01:50 pm SE 3.9 5.8 4.3 96.3WNW29.85- 54.9- 54.3---
2026-08-04 01:40 pm SE 1.9 3.9----29.86- 54.7- 54.1---
2026-08-04 01:30 pm SE 3.9 3.9----29.87- 54.7- 54.1---
2026-08-04 01:20 pm SE 3.9 3.9 4.3 106.5 NW29.86- 54.7- 54.1---
2026-08-04 01:10 pmSSE 3.9 3.9 4.3-6.5 NW29.87- 54.7- 54.1---
2026-08-04 01:00 pm SE 3.9 5.8----29.87+0.01 54.7- 54.1---
2026-08-04 12:50 pm SE 3.9 5.8 4.3 106.6 NW29.87- 54.5- 54.0---
2026-08-04 12:40 pm SE 3.9 5.8 4.3-6.6 NW29.87- 54.5- 54.0---
2026-08-04 12:30 pm SE 3.9 5.8----29.87- 54.5- 54.0---
2026-08-04 12:20 pm SE 3.9 5.8 4.3 106.5WNW29.87- 54.5- 54.0---
2026-08-04 12:10 pm SE 5.8 5.8 4.3-6.5WNW29.87- 54.3- 53.8---
2026-08-04 12:00 pm SE 3.9 5.8----29.88+0.03------
2026-08-04 11:50 am SE 5.8 5.8 3.9 106.0 NW29.88- 54.3- 53.8---
2026-08-04 11:40 am SE 5.8 5.8 3.9-6.0 NW29.87- 54.1- 53.6---
2026-08-04 11:30 am SE 3.9 5.8----29.87- 54.1- 53.6---
2026-08-04 11:20 am SE 3.9 5.8 3.9 106.1WNW29.87- 54.1- 53.6---
2026-08-04 11:10 amESE 3.9 3.9 3.9-6.1WNW29.87- 54.1- 53.6---
2026-08-04 11:00 amESE 3.9 5.8----29.87+0.05 54.0- 53.4---
2026-08-04 10:50 am SE 3.9 3.9 4.3 96.1WNW29.87- 54.1- 53.6---
2026-08-04 10:40 am SE 3.9 5.8 4.3-6.1WNW29.87- 54.0- 53.4---
2026-08-04 10:30 am SE 3.9 3.9----29.86- 54.0- 53.4---
2026-08-04 10:20 amSSE 3.9 5.8 4.6 96.4WNW29.86- 54.0- 53.4---
2026-08-04 10:10 amSSE 3.9 5.8 4.6-6.4WNW29.85- 54.0- 53.4---
2026-08-04 10:00 am SE 5.8 5.8----29.85+0.04 54.1- 53.6---
2026-08-04 09:50 am SE 5.8 5.8 4.3 96.2 NW29.85- 54.0- 53.4---
2026-08-04 09:40 am SE 5.8 7.8----29.85- 54.1- 53.6---
2026-08-04 09:30 amSSE 5.8 7.8----29.85- 54.1- 53.6---
2026-08-04 09:20 amSSE 5.8 7.8 4.9 86.2 NW29.85- 54.1- 53.6---
2026-08-04 09:10 amSSE 5.8 7.8 4.9-6.2 NW29.84- 54.0- 53.4---
2026-08-04 09:00 am SE 5.8 7.8----29.84+0.05 54.0- 53.4---
2026-08-04 08:50 am SE 5.8 7.8 5.2 106.6 NW29.84- 54.1- 53.6---
2026-08-04 08:40 amSSE 7.8 9.7----29.84- 54.3- 53.8---
2026-08-04 08:30 amSSE 7.8 9.7----29.83- 54.3- 53.8---
2026-08-04 08:20 amSSE 7.8 9.7 4.6 86.1WNW29.83- 54.3- 53.8---
2026-08-04 08:10 amSSE 7.8 9.7 4.6-6.1WNW29.83- 54.3- 53.8---
2026-08-04 08:00 amSSE 7.8 9.7----29.83+0.04 54.3- 53.8---
2026-08-04 07:50 am SE 7.8 9.7 4.9 106.0 NW29.83- 54.3- 53.8---
2026-08-04 07:40 am SE 7.8 9.7 4.9-6.0 NW29.83- 54.1- 53.6---
2026-08-04 07:30 amSSE 7.8 9.7----29.82- 54.1- 53.6---
2026-08-04 07:20 amSSE 7.8 9.7 4.6 106.0WNW29.82- 54.3- 53.8---
2026-08-04 07:10 amSSE 7.8 11.7 4.6-6.0WNW29.82- 54.3- 53.8---
2026-08-04 07:00 amSSE 7.8 9.7----29.82+0.03 54.1- 53.6---
2026-08-04 06:50 amSSE 7.8 9.7 4.6 95.6 NW29.81- 54.3- 53.8---
2026-08-04 06:40 amSSE 7.8 9.7----29.81- 54.1- 53.6---
2026-08-04 06:30 amSSE 9.7 11.7----29.81- 54.3- 53.8---
2026-08-04 06:20 amSSE 9.7 11.7 4.9 106.1 NW29.80- 54.1- 53.6---
2026-08-04 06:10 amSSE 9.7 11.7 4.9-6.1 NW29.80- 54.1- 53.6---
2026-08-04 06:00 amSSE 9.7 13.6----29.80+0.01 54.1- 53.6---
2026-08-04 05:50 amSSE 9.7 13.6 4.3 95.8 NW29.79- 54.0- 53.4---
2026-08-04 05:40 amSSE 9.7 11.7 4.3-5.8 NW29.79- 54.0- 53.4---
2026-08-04 05:30 amSSE 9.7 11.7----29.79- 54.0- 53.4---
2026-08-04 05:20 amSSE 11.7 13.6 4.9 96.1WNW29.79- 54.1- 53.6---
2026-08-04 05:10 amSSE 9.7 13.6 4.9-6.1WNW29.79- 54.1- 53.6---
2026-08-04 05:00 amSSE 9.7 11.7----29.78+0.00 54.1- 53.6---
2026-08-04 04:50 amSSE 9.7 11.7 5.2 96.3WNW29.78- 54.0- 53.4---
2026-08-04 04:40 amSSE 9.7 13.6 5.2-6.3WNW29.78- 54.1- 53.6---
2026-08-04 04:30 amSSE 9.7 11.7----29.78- 54.0- 53.4---
2026-08-04 04:20 amSSE 9.7 13.6 5.2 106.6 NW29.79- 54.0- 53.4---
2026-08-04 04:10 amSSE 7.8 11.7 5.2-6.6 NW29.79- 53.6- 53.1---
2026-08-04 04:00 amSSE 7.8 9.7----29.78+0.01 53.6- 53.1---
2026-08-04 03:50 amSSE 9.7 11.7 4.9 106.2WNW29.78- 53.6- 53.1---
2026-08-04 03:40 am SE 9.7 11.7----29.78- 53.6- 53.1---
2026-08-04 03:30 amSSE 9.7 11.7----29.78- 53.8- 53.2---
2026-08-04 03:20 amSSE 9.7 11.7 5.2 106.7 NW29.78- 53.6- 53.1---
2026-08-04 03:10 amSSE 9.7 13.6 5.2-6.7 NW29.78- 53.6- 53.1---
2026-08-04 03:00 am SE 9.7 11.7----29.78+0.01 53.6- 53.1---
2026-08-04 02:50 am SE 7.8 9.7 5.2 106.6 NW29.78- 53.4- 52.9---
2026-08-04 02:40 am SE 7.8 9.7----29.78- 53.6- 53.1---
2026-08-04 02:30 am SE 7.8 9.7----29.78- 53.8- 53.2---
2026-08-04 02:20 am SE 5.8 7.8 4.9 106.5 NW29.78- 54.0- 53.4---
2026-08-04 02:10 am SE 5.8 5.8 4.9-6.5 NW29.78- 53.8- 53.2---
2026-08-04 02:00 amSSE 3.9 5.8----29.78+0.00 53.8- 53.2---
2026-08-04 01:50 amSSE 3.9 5.8 4.9 106.7 NW29.78- 53.8- 53.2---
2026-08-04 01:40 am SE 3.9 5.8----29.78- 53.4- 52.9---
2026-08-04 01:30 am SE 3.9 5.8----29.78- 53.4- 52.9---
2026-08-04 01:20 am SE 3.9 5.8 4.6 96.6WNW29.78- 53.2- 52.7---
2026-08-04 01:10 am SE 1.9 3.9 4.6-6.6WNW29.78- 53.2- 52.7---
2026-08-04 01:00 am SE 1.9 3.9----29.78+0.00 53.1- 52.5---
2026-08-04 12:50 amESE 1.9 3.9 4.6 106.5WNW29.78- 52.5- 52.0---
2026-08-04 12:40 am- 0.0 1.9----29.78- 53.2- 52.7---
2026-08-04 12:30 amSSW 1.9 1.9----29.78- 53.2- 52.7---
2026-08-04 12:20 am S 1.9 3.9 4.6 96.7WNW29.78- 53.2- 52.7---
2026-08-04 12:10 amSSW 1.9 3.9 4.6-6.7WNW29.78- 53.4- 52.9---
2026-08-04 12:00 amSSW 3.9 3.9----29.78+0.00 53.6- 53.1---
2026-08-03 11:50 pm SW 3.9 3.9 4.6 106.8WNW29.78- 53.8- 53.2---
2026-08-03 11:40 pm SW 3.9 3.9----29.77- 53.8- 53.2---
2026-08-03 11:30 pmSSW 3.9 3.9----29.78- 53.6- 53.1---
2026-08-03 11:20 pmSSW 3.9 3.9 4.9 106.8WNW29.78- 53.8- 53.2---
2026-08-03 11:10 pmSSW 1.9 3.9 4.9-6.8WNW29.78- 53.8- 53.2---
2026-08-03 11:00 pmSSW 3.9 3.9----29.78+0.01 53.6- 53.1---
2026-08-03 10:50 pmSSW 3.9 3.9 4.6 96.6WNW29.78- 53.6- 53.1---
2026-08-03 10:40 pm S 3.9 5.8----29.78- 53.6- 53.1---
2026-08-03 10:30 pm S 3.9 5.8----29.78- 53.6- 53.1---
2026-08-03 10:20 pm S 3.9 3.9 4.6 106.4WNW29.78- 53.6- 53.1---
2026-08-03 10:10 pm S 3.9 3.9 4.6-6.4WNW29.78- 53.6- 53.1---
2026-08-03 10:00 pm S 3.9 5.8----29.78+0.01 53.6- 53.1---
2026-08-03 09:50 pm S 3.9 3.9 4.6 116.4WNW29.78- 53.4- 52.9---
2026-08-03 09:40 pmSSW 3.9 3.9 4.6-6.4WNW29.78- 53.6- 52.9---
2026-08-03 09:30 pmSSW 1.9 3.9----29.77- 53.8- 53.1---
2026-08-03 09:20 pm S 1.9 3.9 4.3 96.0 W29.77- 54.0- 53.1---
2026-08-03 09:10 pm S 1.9 3.9 4.3-6.0 W29.77- 54.3- 53.4---
2026-08-03 09:00 pm S 1.9 3.9----29.76+0.00 54.5- 53.6---
2026-08-03 08:50 pm S 3.9 3.9 4.6 106.3WNW29.77- 54.3- 53.4---
2026-08-03 08:40 pm S 3.9 3.9----29.77- 54.3- 53.4---
2026-08-03 08:30 pm S 1.9 3.9----29.77- 54.5- 53.4---
2026-08-03 08:20 pm S 1.9 3.9 4.9 116.2WNW29.77- 54.7- 53.4---
2026-08-03 08:10 pm- 0.0 1.9 4.9-6.2WNW29.77- 55.0- 53.6---
2026-08-03 08:00 pm- 0.0 0.0----29.76-0.02 55.2- 53.8---
2026-08-03 07:50 pm- 0.0 1.9 5.6 106.4WNW29.76- 55.4- 53.8---
2026-08-03 07:40 pm- 0.0 1.9----29.76- 55.8- 54.1---
2026-08-03 07:30 pm- 0.0 1.9----29.76- 55.9- 54.3---
2026-08-03 07:20 pm- 0.0 1.9 5.6 96.6 NW29.77- 55.9- 54.3---
2026-08-03 07:10 pm- 0.0 1.9 5.6-6.6 NW29.76- 56.3- 54.9---
2026-08-03 07:00 pmWNW 1.9 1.9----29.77-0.03 56.1- 54.7---
2026-08-03 06:50 pm- 0.0 1.9 6.9 116.8WNW29.77- 56.1- 54.9---
2026-08-03 06:40 pm NW 1.9 3.9----29.77- 55.8- 54.7---
2026-08-03 06:30 pm NW 1.9 3.9----29.77- 55.8- 54.7---
2026-08-03 06:20 pm NW 1.9 3.9 7.5 106.9 NW29.77- 55.4- 54.5---
2026-08-03 06:10 pmWNW 1.9 3.9 7.5-6.9 NW29.77- 55.4- 54.7---
2026-08-03 06:00 pmWNW 1.9 3.9----29.77-0.03 55.0- 54.3---
2026-08-03 05:50 pm NW 1.9 3.9 7.5 117.2WNW29.77- 55.0- 54.3---
2026-08-03 05:40 pmWNW 1.9 3.9----29.77- 55.0- 54.5---
2026-08-03 05:30 pmWNW 1.9 3.9----29.78- 55.0- 54.5---
2026-08-03 05:20 pm W 1.9 3.9 7.5 107.0 NW29.78- 54.9- 54.3---
2026-08-03 05:10 pmWNW 1.9 3.9 7.5-7.0 NW29.78- 54.9- 54.3---
2026-08-03 05:00 pmWNW 1.9 3.9----29.79-0.02 54.7- 54.1---
2026-08-03 04:50 pmWNW 1.9 1.9 7.2 116.8WNW29.79- 54.5- 54.0---
2026-08-03 04:40 pm W 1.9 3.9----29.79- 54.7- 54.1---
2026-08-03 04:20 pm- 0.0 1.9 6.9 117.0 NW29.80- 54.3- 53.8---
2026-08-03 04:10 pm- 0.0 1.9 6.9-7.0 NW29.80- 54.3- 53.8---
2026-08-03 04:00 pmWSW 1.9 1.9----29.80-0.01 54.0- 53.4---
2026-08-03 03:50 pm SW 1.9 3.9 7.2 106.9 NW29.80- 53.8- 53.2---
2026-08-03 03:40 pm S 1.9 3.9----29.80- 53.8- 53.2---
2026-08-03 03:30 pm S 1.9 3.9----29.80- 53.4- 52.9---
2026-08-03 03:20 pm S 1.9 5.8 7.5 117.1 NW29.80- 53.2- 52.7---
2026-08-03 03:10 pm S 3.9 3.9 7.5-7.1 NW29.80- 53.2- 52.7---
2026-08-03 03:00 pm S 1.9 3.9----29.80-0.01 53.4- 52.9---
2026-08-03 02:50 pm S 3.9 5.8 7.2 107.2WNW29.80- 53.4- 52.9---

Wave Summary
for 46013 as of (2:40 pm PDT)
2140 GMT on 08/04/2026:

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): 3.9 ft
5-day plot - Swell Height Swell Height (SwH): 3.9 ft
5-day plot - Swell Period Swell Period (SwP): 7.7 sec
5-day plot - Swell Direction Swell Direction (SwD):WNW
5-day plot - Wind Wave Height Wind Wave Height (WWH): 1.0 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 3.8 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD):SSW
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): AVERAGE
5-day plot - Average Wave Period Average Wave Period (APD): 6.2 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
2026-08-04 02:10 pm 4.3 3.9 10.0 NW 1.3 4.0 WSW SWELL 6.3
2026-08-04 01:40 pm 4.3 3.9 9.1WNW 1.3 4.0 W SWELL 6.3
2026-08-04 01:10 pm 4.3 3.9 10.0 NW 1.0 3.3 SW SWELL 6.5
2026-08-04 12:40 pm 4.3 3.9 10.0 NW 1.0 3.0 S SWELL 6.6
2026-08-04 12:10 pm 4.3 4.3 10.0WNW 1.3 3.7 WSW SWELL 6.5
2026-08-04 11:40 am 3.9 3.6 10.0 NW 1.3 3.8 W SWELL 6.0
2026-08-04 11:10 am 3.9 3.6 10.0WNW 1.3 3.8 W SWELL 6.1
2026-08-04 10:40 am 4.3 3.9 9.1WNW 1.3 4.0 W SWELL 6.1
2026-08-04 10:10 am 4.6 4.6 9.1WNW 1.3 3.6 WSW SWELL 6.4
2026-08-04 09:40 am 4.3 4.3 9.1 NW 1.3 3.7 SW SWELL 6.2
2026-08-04 09:10 am 4.9 4.6 8.3 NW 1.3 3.4 SSW AVERAGE 6.2
2026-08-04 08:40 am 5.2 5.2 10.0 NW 1.3 3.3 SSW SWELL 6.6
2026-08-04 08:10 am 4.6 4.6 8.3WNW 1.6 2.9 SE AVERAGE 6.1
2026-08-04 07:40 am 4.9 4.9 10.0 NW 1.6 3.8 W SWELL 6.0
2026-08-04 07:10 am 4.6 4.3 10.0WNW 1.6 4.0 W SWELL 6.0
2026-08-04 06:40 am 4.6 4.3 9.1 NW 1.6 3.1 SSE SWELL 5.6
2026-08-04 06:10 am 4.9 4.6 10.0 NW 1.6 2.9 SSE SWELL 6.1
2026-08-04 05:40 am 4.3 3.9 9.1 NW 2.0 5.0 W SWELL 5.8
2026-08-04 05:10 am 4.9 4.3 9.1WNW 2.0 5.0 W SWELL 6.1
2026-08-04 04:40 am 5.2 4.9 9.1WNW 2.0 4.8 W AVERAGE 6.3
2026-08-04 04:10 am 5.2 4.9 10.0 NW 1.6 3.8 W SWELL 6.6
2026-08-04 03:40 am 4.9 4.6 10.0WNW 2.0 4.5 W SWELL 6.2
2026-08-04 03:10 am 5.2 4.9 10.0 NW 2.0 5.0 W SWELL 6.7
2026-08-04 02:40 am 5.2 4.9 10.0 NW 1.3 3.7 W SWELL 6.6
2026-08-04 02:10 am 4.9 4.9 10.0 NW 1.3 3.3 W SWELL 6.5
2026-08-04 01:40 am 4.9 4.6 10.0 NW 1.3 3.7 W SWELL 6.7
2026-08-04 01:10 am 4.6 4.6 9.1WNW 1.3 3.8 W SWELL 6.6
2026-08-04 12:40 am 4.6 4.3 10.0WNW 1.0 3.7 W SWELL 6.5
2026-08-04 12:10 am 4.6 4.3 9.1WNW 1.3 3.8 W SWELL 6.7
2026-08-03 11:40 pm 4.6 4.6 10.0WNW 1.3 3.4 W SWELL 6.8
2026-08-03 11:10 pm 4.9 4.6 10.0WNW 1.3 3.6 WSW SWELL 6.8
2026-08-03 10:40 pm 4.6 4.6 9.1WNW 1.0 3.8 W SWELL 6.6
2026-08-03 10:10 pm 4.6 4.6 10.0WNW 1.3 3.7 W SWELL 6.4
2026-08-03 09:40 pm 4.6 4.6 10.8WNW 1.3 4.0 W SWELL 6.4
2026-08-03 09:10 pm 4.3 3.9 9.1 W 1.3 3.8 WNW SWELL 6.0
2026-08-03 08:40 pm 4.6 4.6 10.0WNW 1.3 3.2 W SWELL 6.3
2026-08-03 08:10 pm 4.9 4.6 10.8WNW 1.3 3.7 W SWELL 6.2
2026-08-03 07:40 pm 5.6 5.2 10.0WNW 1.6 3.6 W SWELL 6.4
2026-08-03 07:10 pm 5.6 5.2 9.1 NW 1.3 3.7 W AVERAGE 6.6
2026-08-03 06:40 pm 6.9 6.6 10.8WNW 1.6 4.0 W SWELL 6.8
2026-08-03 06:10 pm 7.5 7.2 10.0 NW 1.6 3.7 W AVERAGE 6.9
2026-08-03 05:40 pm 7.5 7.5 10.8WNW 1.6 3.3 W SWELL 7.2
2026-08-03 05:10 pm 7.5 7.2 10.0 NW 1.6 3.8 WNW AVERAGE 7.0
2026-08-03 04:40 pm 7.2 7.2 10.8WNW 1.6 3.8 W SWELL 6.8
2026-08-03 04:10 pm 6.9 6.9 10.8 NW 1.6 3.6 W SWELL 7.0
2026-08-03 03:40 pm 7.2 6.9 10.0 NW 1.6 3.7 W AVERAGE 6.9
2026-08-03 03:10 pm 7.5 7.5 10.8 NW 1.6 3.8 W SWELL 7.1

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