Station 44025 (LLNR 830) - LONG ISLAND - 30 NM South of Islip, NY Image indicating link to RSS feed of recent meteorological observations for station 44025


Conditions at 44025 as of
(2:40 am EDT)
0640 GMT on 04/29/2024:
     

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 ( 270 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):29.99 in
5-day plot - Air Temperature Air Temperature (ATMP): 54.1 °F
5-day plot - Water Temperature Water Temperature (WTMP): 48.6 °F
5-day plot - Dew Point Dew Point (DEWP): 53.2 °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
Highest 1-minute Wind Speed
Time (EDT)5-day plot - 1-Minute Wind Speed WSPD 5-day plot - 1-Minute Wind Direction WDIR
2:31 am 5.8 kts-
Previous observations
TIME
(EDT)
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
2024-04-29 02:30 amWSW 5.8 7.8----29.98- 54.5 48.6 53.4---
2024-04-29 02:20 am W 7.8 7.8 3.3 115.9 E29.99- 54.7 48.6 53.4---
2024-04-29 02:10 am W 7.8 9.7----30.00- 54.1 48.6 52.7---
2024-04-29 02:00 am W 7.8 9.7----30.00-0.03 54.1 48.6 52.5---
2024-04-29 01:50 am W 7.8 11.7 3.0 105.5ESE30.01- 54.9 48.6 53.1---
2024-04-29 01:40 amWSW 7.8 9.7----30.00- 55.4 48.6 53.6---
2024-04-29 01:30 amWSW 7.8 9.7----30.00- 55.0 48.7 53.8---
2024-04-29 01:20 amWSW 7.8 9.7 3.3 106.1ESE30.00- 53.1 48.6 52.0---
2024-04-29 01:10 amWSW 5.8 7.8 3.3-6.1ESE30.01- 54.3 48.7 53.1---
2024-04-29 01:00 am W 5.8 7.8----30.01-0.03 54.5 48.7 53.4---
2024-04-29 12:50 am W 5.8 7.8 3.0 115.7ESE30.02- 54.9 48.7 53.8---
2024-04-29 12:40 am W 3.9 5.8----30.01- 54.1 48.7 53.4---
2024-04-29 12:30 amWNW 3.9 5.8----30.02- 53.4 48.7 52.5---
2024-04-29 12:20 am W 3.9 5.8 3.0 115.7ESE30.02- 52.7 48.7 52.0---
2024-04-29 12:10 am W 3.9 5.8 3.0-5.7ESE30.03- 52.7 48.9 51.8---
2024-04-29 12:00 am W 3.9 5.8----30.03-0.02 52.7 48.9 51.6---
2024-04-28 11:50 pmWSW 5.8 5.8 3.0 115.8ESE30.03- 53.4 48.9 52.2---
2024-04-28 11:40 pmWNW 3.9 5.8----30.03- 52.9 48.9 51.8---
2024-04-28 11:30 pmWNW 3.9 7.8----30.03- 53.2 48.9 51.8---
2024-04-28 11:20 pmWNW 5.8 7.8 3.3 116.2 E30.03- 54.1 48.9 53.1---
2024-04-28 11:10 pmNNW 5.8 9.7 3.3-6.2 E30.03- 52.5 48.9 51.8---
2024-04-28 11:00 pmWNW 3.9 9.7----30.03-0.01 52.0 48.9 51.3---
2024-04-28 10:50 pm W 3.9 5.8 3.3 116.4 E30.03- 52.2 48.9 51.4---
2024-04-28 10:40 pm SW 3.9 3.9----30.03- 52.2 48.9 51.6---
2024-04-28 10:30 pm S 3.9 3.9----30.03- 52.0 48.9 51.4---
2024-04-28 10:20 pmSSW 3.9 3.9 3.0 96.5ESE30.03- 51.8 48.9 51.3---
2024-04-28 10:10 pmSSW 3.9 3.9 3.0-6.5ESE30.03- 51.6 48.9 51.1---
2024-04-28 10:00 pmSSW 3.9 5.8----30.04-0.01 51.6- 51.1---
2024-04-28 09:50 pmSSW 5.8 5.8 3.0 116.4ESE30.04- 51.4 48.9 50.9---
2024-04-28 09:40 pmSSW 5.8 5.8----30.04- 51.4 48.9 50.9---
2024-04-28 09:30 pmSSW 5.8 7.8----30.04- 51.4 48.9 50.9---
2024-04-28 09:20 pmSSW 5.8 5.8 3.0 116.4 E30.04- 51.6 49.1 51.1---
2024-04-28 09:10 pmSSW 5.8 7.8----30.04- 51.6 48.9 51.1---
2024-04-28 09:00 pmSSW 5.8 7.8----30.04-0.03 51.6 48.9 51.1---
2024-04-28 08:50 pm S 5.8 7.8 3.0 106.1ESE30.04- 51.6 49.3 51.1---
2024-04-28 08:40 pm S 7.8 9.7----30.04- 51.4 49.1 51.1---
2024-04-28 08:30 pm S 7.8 9.7----30.04- 51.3 49.3 50.9---
2024-04-28 08:20 pm S 7.8 9.7 3.0 106.1ESE30.03- 51.3 49.1 50.9---
2024-04-28 08:10 pm S 7.8 9.7----30.04- 51.4 49.3 51.1---
2024-04-28 08:00 pm S 7.8 9.7----30.04-0.03 51.3 49.5 50.9---
2024-04-28 07:50 pmSSE 7.8 9.7 3.0 106.2ESE30.04- 51.1 49.5 50.7---
2024-04-28 07:40 pmSSE 7.8 9.7----30.04- 51.1 49.3 50.7---
2024-04-28 07:10 pmSSE 7.8 7.8 3.0-6.3ESE30.05- 51.1 48.4 50.7---
2024-04-28 07:00 pmSSE 5.8 7.8----30.05-0.04 50.9 48.4 50.5---
2024-04-28 06:50 pmSSE 5.8 7.8 3.0 106.4ESE30.06- 51.3 48.4 50.9---
2024-04-28 06:40 pm S 7.8 7.8----30.06- 51.3 49.8 50.9---
2024-04-28 06:30 pm S 5.8 7.8----30.07- 51.3 49.3 50.9---
2024-04-28 06:20 pm S 5.8 5.8 3.0 96.3ESE30.07- 51.3 49.5 50.7---
2024-04-28 06:10 pm S 5.8 7.8 3.0-6.3ESE30.07- 51.4 49.6 51.1---
2024-04-28 06:00 pm S 7.8 7.8----30.07-0.04 51.4 48.9 51.1---
2024-04-28 05:50 pm S 7.8 7.8 2.6 106.1ESE30.07- 51.4 48.9 51.1---
2024-04-28 05:40 pm S 7.8 7.8----30.07- 51.4 48.7 51.1---
2024-04-28 05:30 pm S 7.8 7.8----30.06- 51.4 49.3 51.1---
2024-04-28 05:20 pm S 5.8 7.8 2.6 95.8ESE30.07- 51.4 48.9 51.1---
2024-04-28 05:10 pm S 5.8 7.8 2.6-5.8ESE30.07- 51.4 49.6 51.1---
2024-04-28 05:00 pm S 5.8 7.8----30.07-0.06 51.4 48.6 51.1---
2024-04-28 04:50 pm S 5.8 7.8 2.6 95.6ESE30.08- 51.4 48.6 51.1---
2024-04-28 04:40 pm S 5.8 5.8----30.08- 51.3 48.7 50.9---
2024-04-28 04:30 pm S 5.8 5.8----30.08- 51.3 48.9 50.9---
2024-04-28 04:20 pm S 5.8 5.8 2.6 95.6ESE30.08- 51.3 48.7 50.9---
2024-04-28 04:10 pm S 5.8 7.8 2.6-5.6ESE30.08- 51.3 48.7 50.9---
2024-04-28 04:00 pm S 5.8 7.8----30.08-0.07 51.3 49.1 50.9---
2024-04-28 03:50 pm S 5.8 5.8 2.6 85.5ESE30.09- 51.3 48.9 50.9---
2024-04-28 03:40 pm S 5.8 5.8----30.09- 51.1 49.6 50.5---
2024-04-28 03:30 pm S 5.8 5.8----30.10- 51.1 49.1 50.5---
2024-04-28 03:20 pm S 3.9 5.8 2.6 85.4 E30.11- 51.1 49.1 50.5---
2024-04-28 03:10 pm S 5.8 5.8----30.11- 51.1 48.6 50.5---
2024-04-28 03:00 pm S 3.9 5.8----30.10-0.06 51.1 48.6 50.5---
2024-04-28 02:50 pm S 3.9 5.8 2.6 95.5ESE30.11- 51.1 48.4 50.5---
2024-04-28 02:40 pmSSW 5.8 5.8----30.12- 51.1 48.4 50.5---
2024-04-28 02:30 pmSSW 3.9 5.8----30.12- 51.1 48.6 50.4---
2024-04-28 02:20 pm S 3.9 5.8 2.6 105.5ESE30.12- 51.1 48.6 50.4---
2024-04-28 02:10 pm S 3.9 5.8 2.6-5.5ESE30.13- 51.1 48.4 50.2---
2024-04-28 02:00 pmSSW 3.9 5.8----30.14-0.06 51.3 48.2 50.5---
2024-04-28 01:50 pmSSW 3.9 3.9 2.6 85.4 E30.14- 51.1 48.2 50.2---
2024-04-28 01:40 pm S 3.9 3.9----30.14- 51.1 48.2 50.2---
2024-04-28 01:30 pmSSW 1.9 3.9----30.14- 51.1 48.4 50.2---
2024-04-28 01:20 pmSSW 1.9 1.9 2.6 105.4ESE30.15- 50.7 48.4 50.0---
2024-04-28 01:10 pm- 0.0 1.9 2.6-5.4ESE30.15- 50.5 48.2 50.0---
2024-04-28 01:00 pm SW 1.9 3.9----30.16-0.05 50.0 48.2 49.5---
2024-04-28 12:50 pm SW 3.9 3.9 2.6 105.4ESE30.16- 50.0 48.0 49.5---
2024-04-28 12:40 pm SW 3.9 5.8----30.16- 49.8 48.0 49.3---
2024-04-28 12:30 pmSSW 5.8 5.8----30.16- 49.6 48.2 49.3---
2024-04-28 12:20 pmSSW 5.8 7.8 3.0 105.5ESE30.16- 49.5 48.2 48.9---
2024-04-28 12:10 pm S 5.8 5.8 3.0-5.5ESE30.16- 49.5 48.2 48.9---
2024-04-28 12:00 pmSSW 5.8 5.8----30.17-0.06 49.3 48.2 48.7---
2024-04-28 11:50 amSSW 5.8 5.8 3.0 85.2 E30.18- 49.3 48.2 48.7---
2024-04-28 11:40 amSSW 5.8 5.8----30.18- 49.3 48.2 48.7---
2024-04-28 11:30 amSSW 5.8 7.8----30.19- 49.3 48.2 48.7---
2024-04-28 11:20 amSSW 5.8 7.8 3.0 85.2 E30.19- 49.1 48.2 48.6---
2024-04-28 11:10 am S 5.8 7.8 3.0-5.2 E30.19- 49.1 48.2 48.6---
2024-04-28 11:00 am S 5.8 7.8----30.19-0.05 49.1 48.0 48.6---
2024-04-28 10:50 am S 5.8 7.8 3.0 85.2ESE30.20- 49.1 48.2 48.4---
2024-04-28 10:40 am S 7.8 7.8----30.20- 49.1 48.0 48.4---
2024-04-28 10:30 am S 5.8 7.8----30.20- 49.3 48.0 48.6---
2024-04-28 10:20 am S 5.8 7.8 3.3 85.3ESE30.20- 49.3 47.8 48.6---
2024-04-28 10:10 amSSW 5.8 7.8----30.21- 49.3 47.8 48.6---
2024-04-28 10:00 amSSW 5.8 7.8----30.21-0.04 49.3 47.8 48.4---
2024-04-28 09:50 amSSW 7.8 7.8 3.0 85.0ESE30.21- 49.3 47.8 48.4---
2024-04-28 09:40 amSSW 7.8 9.7----30.21- 49.3 47.8 48.4---
2024-04-28 09:30 amSSW 7.8 9.7----30.22- 49.3 47.8 48.4---
2024-04-28 09:20 amSSW 7.8 11.7 3.0 85.1ESE30.22- 49.3 47.8 48.2---
2024-04-28 09:10 amSSW 9.7 11.7 3.0-5.1ESE30.22- 49.3 47.7 48.2---
2024-04-28 09:00 amSSW 11.7 13.6----30.23-0.03 49.5 47.7 48.4---
2024-04-28 08:50 amSSW 9.7 11.7 3.0 95.2ESE30.23- 49.5 47.7 48.4---
2024-04-28 08:40 am S 9.7 11.7----30.23- 49.5 47.7 48.2---
2024-04-28 08:30 am S 9.7 11.7----30.23- 49.5 47.7 48.2---
2024-04-28 08:20 amSSW 11.7 13.6 3.0 105.1ESE30.23- 49.5 47.7 48.4---
2024-04-28 08:10 amSSW 11.7 13.6 3.0-5.1ESE30.22- 49.5 47.7 48.2---
2024-04-28 08:00 amSSW 9.7 11.7----30.25-0.01 49.6 47.7 48.2---
2024-04-28 07:50 amSSW 9.7 11.7 3.0 84.9ESE30.25- 49.5 47.7 48.0---
2024-04-28 07:40 amSSW 9.7 11.7----30.25- 49.6 47.7 48.0---
2024-04-28 07:30 am S 11.7 13.6----30.25- 49.8 47.7 47.8---
2024-04-28 07:20 am S 11.7 13.6 3.0 84.8 E30.25- 50.0 47.7 48.0---
2024-04-28 07:10 am S 11.7 13.6 3.0-4.8 E30.25- 49.8 47.7 47.8---
2024-04-28 07:00 am S 11.7 13.6----30.25-0.03 50.0 47.7 47.7---
2024-04-28 06:50 am S 13.6 15.5 3.0 84.9 E30.25- 50.0 47.7 47.8---
2024-04-28 06:40 am S 13.6 17.5----30.25- 49.6 47.7 47.7---
2024-04-28 06:30 am S 11.7 15.5----30.25- 49.6 47.7 47.7---
2024-04-28 06:20 am S 13.6 17.5 3.0 85.2ESE30.24- 49.5 47.7 47.5---
2024-04-28 06:10 am S 11.7 15.5----30.25- 49.3 47.7 47.5---
2024-04-28 06:00 amSSE 9.7 11.7----30.26-0.02 49.3 47.8 47.3---
2024-04-28 05:50 amSSE 7.8 9.7 3.0 105.0ESE30.26- 49.3 47.7 47.3---
2024-04-28 05:40 amSSE 7.8 9.7----30.27- 49.1 47.8 47.1---
2024-04-28 05:30 amSSE 7.8 9.7----30.27- 49.3 47.8 47.1---
2024-04-28 05:20 am S 9.7 11.7 3.0 104.9 SE30.26- 49.3 47.8 46.9---
2024-04-28 05:10 am S 11.7 13.6 3.0-4.9 SE30.26- 49.3 47.8 46.8---
2024-04-28 05:00 am S 9.7 11.7----30.26-0.05 49.3 47.8 46.9---
2024-04-28 04:50 amSSE 7.8 9.7 3.0 104.8 SE30.26- 49.3 47.8 46.8---
2024-04-28 04:40 am S 7.8 11.7----30.27- 49.3 47.7 46.8---
2024-04-28 04:30 am S 7.8 9.7----30.27- 49.3 47.7 46.8---
2024-04-28 04:20 am S 7.8 9.7 3.0 84.9ESE30.28- 49.3 47.7 46.6---
2024-04-28 04:10 am S 7.8 9.7 3.0-4.9ESE30.28- 49.3 47.7 46.6---
2024-04-28 04:00 am S 7.8 9.7----30.28-0.05 49.3 47.7 46.6---
2024-04-28 03:50 am S 9.7 11.7 3.3 105.0 SE30.29- 49.3- 46.6---
2024-04-28 03:40 am S 7.8 9.7----30.29- 48.9 47.7 46.6---
2024-04-28 03:30 amSSE 9.7 11.7----30.28- 49.1 47.7 46.6---
2024-04-28 03:20 amSSE 11.7 13.6 3.0 114.6 SE30.29- 49.1 47.8 46.4---
2024-04-28 03:10 am S 11.7 15.5 3.0-4.6 SE30.29- 49.3 47.8 46.4---
2024-04-28 03:00 am S 11.7 15.5----30.28-0.08 48.6 47.8 46.4---
2024-04-28 02:50 am S 9.7 11.7 3.3 85.1ESE30.30- 48.4 47.8 46.2---

Detailed Wave Summary
for 44025 as of (2:10 am EDT)
0610 GMT on 04/29/2024:

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): 3.3 ft
5-day plot - Swell Height Swell Height (SwH): 3.0 ft
5-day plot - Swell Period Swell Period (SwP): 10.8 sec
5-day plot - Swell Direction Swell Direction (SwD): E
5-day plot - Wind Wave Height Wind Wave Height (WWH): 1.3 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 3.4 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD): S
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): SWELL
5-day plot - Average Wave Period Average Wave Period (APD): 5.9 sec
Previous observations
TIME
(EDT)
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
2024-04-29 01:40 am 3.0 2.6 10.0ESE 1.3 3.7 SSW SWELL 5.5
2024-04-29 01:10 am 3.3 3.3 10.0ESE 1.3 4.0 SSW SWELL 6.1
2024-04-29 12:40 am 3.0 3.0 11.4ESE 1.3 4.0 SSW SWELL 5.7
2024-04-29 12:10 am 3.0 2.6 11.4ESE 1.3 4.0 S SWELL 5.7
2024-04-28 11:40 pm 3.0 2.6 10.8ESE 1.3 3.8 S SWELL 5.8
2024-04-28 11:10 pm 3.3 3.0 11.4 E 1.3 3.7 S SWELL 6.2
2024-04-28 10:40 pm 3.3 3.0 10.8 E 1.0 4.0 S SWELL 6.4
2024-04-28 10:10 pm 3.0 3.0 9.1ESE 1.0 4.0 SSE SWELL 6.5
2024-04-28 09:40 pm 3.0 3.0 10.8ESE 1.0 3.8 SSE SWELL 6.4
2024-04-28 09:10 pm 3.0 3.0 10.8 E 1.0 3.6 SSE SWELL 6.4
2024-04-28 08:40 pm 3.0 2.6 10.0ESE 1.0 4.0 S SWELL 6.1
2024-04-28 08:10 pm 3.0 3.0 10.0ESE 1.0 4.0 SSE SWELL 6.1
2024-04-28 07:40 pm 3.0 3.0 10.0ESE 1.0 3.6 SSE SWELL 6.2
2024-04-28 07:10 pm 3.0 3.0 10.0ESE 1.0 3.7 SSE SWELL 6.3
2024-04-28 06:40 pm 3.0 3.0 10.0ESE 1.0 3.6 SE SWELL 6.4
2024-04-28 06:10 pm 3.0 2.6 9.1ESE 1.0 3.7 SSE SWELL 6.3
2024-04-28 05:40 pm 2.6 2.6 10.0ESE 1.0 3.8 SE SWELL 6.1
2024-04-28 05:10 pm 2.6 2.6 9.1ESE 1.0 4.0 SSE SWELL 5.8
2024-04-28 04:40 pm 2.6 2.3 9.1ESE 1.0 4.0 SSE SWELL 5.6
2024-04-28 04:10 pm 2.6 2.3 9.1ESE 1.0 4.0 SE SWELL 5.6
2024-04-28 03:40 pm 2.6 2.3 8.3ESE 1.0 3.8 SSE N/A 5.5
2024-04-28 03:10 pm 2.6 2.3 8.3 E 1.3 3.8 SSE SWELL 5.4
2024-04-28 02:40 pm 2.6 2.6 9.1ESE 1.3 3.7 S SWELL 5.5
2024-04-28 02:10 pm 2.6 2.3 10.0ESE 1.0 3.8 SSE SWELL 5.5
2024-04-28 01:40 pm 2.6 2.3 7.7 E 1.0 3.7 SSE SWELL 5.4
2024-04-28 01:10 pm 2.6 2.3 10.0ESE 1.3 4.0 SSE SWELL 5.4
2024-04-28 12:40 pm 2.6 2.3 10.0ESE 1.3 3.8 S SWELL 5.4
2024-04-28 12:10 pm 3.0 2.6 10.0ESE 1.3 3.7 SSE SWELL 5.5
2024-04-28 11:40 am 3.0 2.6 8.3 E 1.3 3.4 SSE SWELL 5.2
2024-04-28 11:10 am 3.0 2.6 7.7 E 1.3 4.0 SSE AVERAGE 5.2
2024-04-28 10:40 am 3.0 2.6 8.3ESE 1.3 3.8 S SWELL 5.2
2024-04-28 10:10 am 3.3 3.0 8.3ESE 1.3 3.4 SSE SWELL 5.3
2024-04-28 09:40 am 3.0 2.6 7.7ESE 1.3 3.8 SSE AVERAGE 5.0
2024-04-28 09:10 am 3.0 2.6 7.7ESE 1.6 3.8 SSE AVERAGE 5.1
2024-04-28 08:40 am 3.0 2.6 9.1ESE 1.6 3.8 SSE SWELL 5.2
2024-04-28 08:10 am 3.0 2.3 10.0ESE 1.6 3.4 SSE SWELL 5.1
2024-04-28 07:40 am 3.0 2.6 7.7ESE 1.6 3.8 S AVERAGE 4.9
2024-04-28 07:10 am 3.0 2.3 7.7 E 2.0 3.8 SSE AVERAGE 4.8
2024-04-28 06:40 am 3.0 2.3 7.7 E 2.0 5.3 SE AVERAGE 4.9
2024-04-28 06:10 am 3.0 2.3 8.3ESE 2.0 4.5 SSE SWELL 5.2
2024-04-28 05:40 am 3.0 2.6 10.0ESE 1.3 3.8 SSE SWELL 5.0
2024-04-28 05:10 am 3.0 2.3 10.0 SE 1.6 3.7 S SWELL 4.9
2024-04-28 04:40 am 3.0 2.3 10.0 SE 1.6 3.8 S SWELL 4.8
2024-04-28 04:10 am 3.0 2.6 8.3ESE 1.6 3.6 S SWELL 4.9
2024-04-28 03:40 am 3.3 2.6 10.0 SE 1.6 3.6 S SWELL 5.0
2024-04-28 03:10 am 3.0 2.3 10.8 SE 1.6 3.8 S SWELL 4.6

Plot of wave energy versus frequency (and period)