Station 44013 (LLNR 420) - BOSTON 16 NM East of Boston, MA Image indicating link to RSS feed of recent meteorological observations for station 44013

Boston Approach Lighted Buoy BF NOAA 44013


Conditions at 44013 as of
(3:50 am EDT)
0750 GMT on 03/19/2024:
     

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 ( 280 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 15.5 kts
5-day plot - Wind Gust Wind Gust (GST): 19.4 kts
5-day plot - Wave Height Wave Height (WVHT): 3.0 ft
5-day plot - Dominant Wave Period Dominant Wave Period (DPD): 4 sec
5-day plot - Average Wave Period Average Period (APD): 3.6 sec
5-day plot - Mean Wave Direction Mean Wave Direction (MWD):WNW ( 285 deg true )
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.57 in
5-day plot - Air Temperature Air Temperature (ATMP): 37.6 °F
5-day plot - Water Temperature Water Temperature (WTMP): 41.5 °F
5-day plot - Dew Point Dew Point (DEWP): 28.2 °F
5-day plot - Wind Chill Wind Chill (CHILL): 27.9 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 17.5 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 19.4 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
3:43 am 17.5 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
2024-03-19 03:40 am W 17.5 21.4----29.57- 37.6 41.5 28.0---
2024-03-19 03:30 am W 17.5 21.4----29.57- 37.6 41.5 27.9---
2024-03-19 03:20 am W 17.5 21.4 3.3 43.5WNW29.57- 37.6 41.5 27.7---
2024-03-19 03:10 am W 17.5 21.4 3.3-3.5WNW29.58- 37.6 41.5 27.7---
2024-03-19 03:00 am W 17.5 23.3----29.58+0.00 37.8 41.5 27.7---
2024-03-19 02:50 am W 17.5 23.3 3.3 43.6WNW29.58- 37.9 41.5 28.0---
2024-03-19 02:40 am W 17.5 21.4 3.3-3.6WNW29.59- 38.1 41.5 28.2---
2024-03-19 02:30 am W 17.5 23.3----29.59- 38.1 41.5 27.9---
2024-03-19 02:20 am W 17.5 23.3 3.3 43.6WNW29.59- 38.1 41.5 27.5---
2024-03-19 02:10 am W 17.5 23.3 3.3-3.6WNW29.59- 38.3 41.5 27.9---
2024-03-19 02:00 am W 17.5 23.3----29.59+0.01 38.3 41.5 27.7---
2024-03-19 01:50 am W 17.5 21.4 3.3 43.5 W29.59- 38.5 41.5 27.7---
2024-03-19 01:40 am W 17.5 23.3----29.59- 38.5 41.5 27.3---
2024-03-19 01:30 am W 17.5 23.3----29.59- 38.5 41.5 27.3---
2024-03-19 01:20 am W 17.5 23.3 3.3 43.5WNW29.59- 38.5 41.5 27.0---
2024-03-19 01:10 am W 17.5 21.4----29.59- 38.5 41.5 27.0---
2024-03-19 01:00 am W 17.5 23.3----29.59-0.01 38.7 41.5 27.0---
2024-03-19 12:50 am W 17.5 21.4 3.6 43.6WNW29.58- 38.8 41.5 27.0---
2024-03-19 12:40 am W 17.5 23.3 3.6-3.6WNW29.58- 38.8 41.5 26.8---
2024-03-19 12:30 am W 19.4 25.3----29.58- 38.8 41.5 26.4---
2024-03-19 12:20 am W 19.4 23.3 3.3 43.6WNW29.58- 39.0 41.5 26.6---
2024-03-19 12:10 am W 19.4 23.3 3.3-3.6WNW29.58- 39.2 41.5 26.6---
2024-03-19 12:00 am W 19.4 23.3----29.58-0.02 39.2 41.5 26.4---
2024-03-18 11:50 pm W 17.5 23.3 3.3 43.7WNW29.58- 39.4 41.5 26.8---
2024-03-18 11:40 pm W 17.5 21.4 3.3-3.7WNW29.58- 39.4 41.5 26.6---
2024-03-18 11:30 pm W 19.4 21.4----29.58- 39.6 41.5 26.2---
2024-03-18 11:20 pm W 19.4 23.3 3.6 43.7WNW29.58- 39.7 41.7 27.1---
2024-03-18 11:10 pm W 19.4 25.3----29.58- 39.9 41.7 27.1---
2024-03-18 11:00 pm W 19.4 25.3----29.58-0.01 39.9 41.5 26.8---
2024-03-18 10:50 pm W 17.5 23.3 3.3 43.7WNW29.58- 40.1 41.7 27.1---
2024-03-18 10:40 pm W 19.4 25.3 3.3-3.7WNW29.59- 40.1 41.7 26.6---
2024-03-18 10:30 pm W 19.4 23.3----29.59- 40.3 41.7 27.3---
2024-03-18 10:20 pm W 17.5 23.3 3.3 43.7WNW29.59- 40.5 41.7 27.5---
2024-03-18 10:10 pmWNW 19.4 25.3 3.3-3.7WNW29.59- 40.5 41.7 27.3---
2024-03-18 10:00 pmWNW 19.4 25.3----29.60+0.03 40.6 41.7 27.1---
2024-03-18 09:50 pm W 19.4 23.3 3.6 43.8WNW29.59- 40.8 41.5 27.1---
2024-03-18 09:40 pm W 19.4 23.3 3.6-3.8WNW29.59- 41.0 41.5 27.9---
2024-03-18 09:30 pm W 19.4 23.3----29.60- 41.0 41.5 27.5---
2024-03-18 09:20 pm W 17.5 21.4 3.3 43.8 W29.60- 41.2 41.5 27.7---
2024-03-18 09:10 pm W 19.4 23.3 3.3-3.8 W29.60- 41.4 41.5 27.5---
2024-03-18 09:00 pm W 19.4 23.3----29.60+0.04 41.4 41.5 27.7---
2024-03-18 08:50 pm W 19.4 25.3 3.3 43.7 W29.59- 41.7 41.5 27.7---
2024-03-18 08:40 pm W 17.5 23.3----29.60- 41.9 41.7 28.4---
2024-03-18 08:30 pm W 17.5 23.3----29.59- 42.1 41.7 28.8---
2024-03-18 08:20 pm W 19.4 23.3 3.0 94.0ENE29.59- 42.4 41.7 28.8---
2024-03-18 08:10 pm W 17.5 23.3 3.0-4.0ENE29.59- 42.6 41.7 29.1---
2024-03-18 08:00 pm W 17.5 23.3----29.59+0.04 42.8 41.7 29.5---
2024-03-18 07:50 pm W 15.5 19.4 3.0 104.1 E29.58- 43.0 41.7 30.4---
2024-03-18 07:40 pm W 13.6 19.4----29.58- 43.2 41.7 30.4---
2024-03-18 07:10 pm W 15.5 17.5 2.6-4.2ENE29.57- 43.7 41.9 29.7---
2024-03-18 07:00 pm W 13.6 17.5----29.57+0.00 43.7 41.9 30.6---
2024-03-18 06:50 pm W 13.6 15.5 2.6 94.8 E29.57- 43.9 41.9 29.3---
2024-03-18 06:40 pm W 13.6 15.5----29.57- 43.9 41.9 30.0---
2024-03-18 06:30 pmWNW 9.7 15.5----29.56- 43.7 41.9 31.6---
2024-03-18 06:20 pm W 9.7 13.6 2.6 95.4 E29.56- 44.1 41.9 30.7---
2024-03-18 06:10 pm W 7.8 11.7 2.6-5.4 E29.56- 44.1 41.7 31.8---
2024-03-18 06:00 pmWNW 7.8 11.7----29.55-0.02 44.1 41.7 30.7---
2024-03-18 05:50 pm W 7.8 7.8 2.6 85.2 E29.55- 44.1 41.7 31.5---
2024-03-18 05:40 pm W 5.8 7.8----29.55- 43.9 41.7 31.8---
2024-03-18 05:30 pm W 5.8 7.8----29.55- 44.2 41.7 30.7---
2024-03-18 05:20 pm W 7.8 9.7 3.0 95.6 E29.55- 44.4 41.7 28.9---
2024-03-18 05:10 pm W 7.8 9.7 3.0-5.6 E29.55- 44.1 41.7 30.6---
2024-03-18 05:00 pm W 7.8 9.7----29.55-0.04 44.1 41.7 30.6---
2024-03-18 04:50 pm W 5.8 9.7 3.0 95.2ENE29.55- 44.1 41.7 31.6---
2024-03-18 04:40 pm W 7.8 11.7----29.55- 44.4 41.7 28.9---
2024-03-18 04:30 pm W 7.8 9.7----29.55- 44.2 41.7 29.3---
2024-03-18 04:20 pm W 5.8 7.8 2.6 105.2 E29.55- 44.1 41.7 30.0---
2024-03-18 04:10 pm W 7.8 9.7 2.6-5.2 E29.56- 44.1 41.7 28.9---
2024-03-18 04:00 pm W 7.8 11.7----29.56-0.04 43.9 41.7 29.1---
2024-03-18 03:50 pm W 7.8 9.7 3.0 94.9 E29.56- 43.7 41.7 30.2---
2024-03-18 03:40 pm W 7.8 11.7----29.56- 43.9 41.7 29.7---
2024-03-18 03:30 pm W 9.7 11.7----29.57- 44.1 41.7 27.1---
2024-03-18 03:20 pm W 7.8 11.7 3.0 94.8 E29.57- 43.9 41.7 27.0---
2024-03-18 03:10 pm W 7.8 9.7----29.57- 43.7 41.7 27.5---
2024-03-18 03:00 pm W 7.8 11.7----29.57-0.05 43.5 41.5 28.4---
2024-03-18 02:50 pm W 9.7 13.6 3.0 94.2 E29.57- 43.5 41.5 28.4---
2024-03-18 02:40 pm W 9.7 13.6----29.57- 43.5 41.7 26.8---
2024-03-18 02:30 pm W 11.7 15.5----29.58- 43.5 41.5 27.0---
2024-03-18 02:10 pm W 13.6 17.5----29.59- 43.3 41.5 25.3---
2024-03-18 02:00 pm W 13.6 17.5----29.59-0.04 43.2 41.5 26.8---
2024-03-18 01:50 pm W 13.6 21.4 3.0 94.0 E29.59- 43.2 41.5 27.1---
2024-03-18 01:40 pm W 13.6 17.5----29.59- 43.0 41.5 28.2---
2024-03-18 01:30 pm W 11.7 15.5----29.59- 43.0 41.5 28.6---
2024-03-18 01:20 pm W 11.7 15.5 2.6 103.8 E29.60- 42.8 41.5 28.4---
2024-03-18 01:10 pm W 13.6 15.5 2.6-3.8 E29.60- 42.6 41.5 28.4---
2024-03-18 01:00 pm W 13.6 17.5----29.61-0.03 42.6 41.5 28.2---
2024-03-18 12:50 pm W 11.7 15.5 2.6 103.5 E29.61- 43.0 41.5 28.6---
2024-03-18 12:40 pm W 11.7 15.5----29.61- 43.0 41.5 27.5---
2024-03-18 12:30 pm W 11.7 15.5----29.61- 42.8 41.5 27.1---
2024-03-18 12:20 pm W 13.6 17.5 3.0 93.8 E29.62- 42.8 41.5 28.0---
2024-03-18 12:10 pm W 15.5 19.4 3.0-3.8 E29.62- 42.8 41.4 27.0---
2024-03-18 12:00 pm W 15.5 17.5----29.62-0.02 42.8 41.4 27.7---
2024-03-18 11:50 am W 13.6 17.5 3.0 103.6 E29.62- 42.6 41.4 27.5---
2024-03-18 11:40 am W 15.5 21.4----29.63- 42.6 41.4 26.8---
2024-03-18 11:30 am W 15.5 21.4----29.63- 42.4 41.4 27.1---
2024-03-18 11:20 am W 15.5 21.4 3.0 33.6WNW29.63- 42.4 41.4 28.2---
2024-03-18 11:10 am W 15.5 21.4 3.0-3.6WNW29.62- 42.3 41.4 27.5---
2024-03-18 11:00 am W 15.5 21.4----29.62-0.01 42.1 41.4 28.0---
2024-03-18 10:50 am W 15.5 19.4 2.6 103.5 E29.63- 41.9 41.4 27.5---
2024-03-18 10:40 am W 15.5 21.4----29.63- 41.7 41.4 27.9---
2024-03-18 10:30 am W 15.5 19.4----29.63- 41.5 41.4 28.0---
2024-03-18 10:20 am W 11.7 17.5 2.6 103.5 E29.63- 41.0 41.4 28.4---
2024-03-18 10:10 am W 11.7 15.5 2.6-3.5 E29.63- 40.6 41.4 28.4---
2024-03-18 10:00 am W 13.6 15.5----29.64+0.00 40.5 41.4 27.9---
2024-03-18 09:50 am W 13.6 15.5 2.6 93.6 E29.64- 40.5 41.4 28.8---
2024-03-18 09:40 am W 15.5 19.4 2.6-3.6 E29.64- 40.8 41.4 29.5---
2024-03-18 09:30 am W 15.5 21.4----29.65- 41.0 41.4 29.1---
2024-03-18 09:20 am W 15.5 19.4 2.6 103.6ENE29.65- 41.2 41.4 29.8---
2024-03-18 09:10 am W 15.5 17.5 2.6-3.6ENE29.65- 41.2 41.4 29.7---
2024-03-18 09:00 amWNW 13.6 17.5----29.65+0.01 41.4 41.4 29.1---
2024-03-18 08:50 amWNW 13.6 17.5 2.6 93.5 E29.65- 41.4 41.4 28.8---
2024-03-18 08:40 amWNW 13.6 15.5 2.6-3.5 E29.65- 41.4 41.4 28.8---
2024-03-18 08:30 amWNW 13.6 19.4----29.64- 41.5 41.4 28.8---
2024-03-18 08:20 amWNW 13.6 17.5 2.6 83.8 E29.65- 41.7 41.4 28.8---
2024-03-18 08:10 amWNW 15.5 19.4 2.6-3.8 E29.64- 41.7 41.4 28.8---
2024-03-18 08:00 am W 13.6 17.5----29.64+0.02 41.7 41.4 30.6---
2024-03-18 07:50 am W 11.7 15.5 2.6 93.7 E29.64- 41.9 41.4 31.5---
2024-03-18 07:40 am W 13.6 17.5----29.65- 42.1 41.4 29.5---
2024-03-18 07:30 am W 11.7 17.5----29.65- 42.1 41.4 31.1---
2024-03-18 07:20 am W 13.6 17.5 2.6 114.0ENE29.64- 42.1 41.4 31.3---
2024-03-18 07:10 am W 13.6 15.5 2.6-4.0ENE29.64- 42.1 41.4 31.5---
2024-03-18 07:00 am W 13.6 15.5----29.64+0.03 42.1 41.5 30.9---
2024-03-18 06:50 am W 11.7 15.5 3.0 84.2 E29.63- 42.1 41.5 31.5---
2024-03-18 06:40 am W 11.7 15.5 3.0-4.2 E29.63- 42.3 41.5 30.6---
2024-03-18 06:30 am W 11.7 15.5----29.63- 42.3 41.5 29.5---
2024-03-18 06:20 am W 9.7 13.6 3.0 114.0ENE29.64- 42.3 41.5 32.0---
2024-03-18 06:10 am W 11.7 13.6 3.0-4.0ENE29.64- 42.3 41.5 31.8---
2024-03-18 06:00 am W 11.7 15.5----29.64+0.01 42.3 41.5 31.5---
2024-03-18 05:50 am W 11.7 15.5 3.0 104.3 E29.64- 42.3 41.5 31.6---
2024-03-18 05:40 am W 11.7 15.5 3.0-4.3 E29.63- 42.3 41.5 32.0---
2024-03-18 05:30 am W 11.7 13.6----29.63- 42.4 41.5 31.8---
2024-03-18 05:20 am W 11.7 15.5 2.6 84.5 E29.62- 42.6 41.5 30.9---
2024-03-18 05:10 am W 13.6 17.5 2.6-4.5 E29.62- 42.6 41.5 30.6---
2024-03-18 05:00 am W 11.7 15.5----29.62-0.02 42.4 41.5 31.1---
2024-03-18 04:50 am W 11.7 15.5 3.0 94.6 E29.62- 42.6 41.5 30.7---
2024-03-18 04:40 amWSW 11.7 15.5----29.62- 42.6- 31.3---
2024-03-18 04:30 amWSW 11.7 13.6----29.62- 42.6 41.5 31.6---
2024-03-18 04:20 am W 11.7 13.6 2.6 104.8 E29.63- 42.6 41.5 31.6---
2024-03-18 04:10 amWSW 11.7 13.6----29.61- 42.8 41.5 31.1---
2024-03-18 04:00 amWSW 11.7 13.6----29.61-0.03 42.6 41.5 32.0---
2024-03-18 03:50 amWSW 9.7 11.7 2.6 95.2 E29.62- 42.8 41.5 32.5---

Detailed Wave Summary
for 44013 as of (3:40 am EDT)
0740 GMT on 03/19/2024:

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): 3.0 ft
5-day plot - Swell Height Swell Height (SwH): 1.3 ft
5-day plot - Swell Period Swell Period (SwP): 10.0 sec
5-day plot - Swell Direction Swell Direction (SwD): E
5-day plot - Wind Wave Height Wind Wave Height (WWH): 2.6 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 3.8 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD):WNW
5-day plot - Wave Steepness Wave Steepness (STEEPNESS):VERY_STEEP
5-day plot - Average Wave Period Average Wave Period (APD): 3.6 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
2024-03-19 03:10 am 3.3 1.3 9.1ENE 3.0 3.7 WNWVERY_STEEP 3.5
2024-03-19 02:40 am 3.3 1.3 9.1 E 3.0 3.7 WNWVERY_STEEP 3.6
2024-03-19 02:10 am 3.3 1.6 9.1 E 3.0 3.8 WNWVERY_STEEP 3.6
2024-03-19 01:40 am 3.3 1.3 8.3ESE 3.0 3.8 WVERY_STEEP 3.5
2024-03-19 01:10 am 3.3 1.3 10.0 E 3.0 3.7 WNWVERY_STEEP 3.5
2024-03-19 12:40 am 3.6 1.6 9.1 E 3.0 3.7 WNWVERY_STEEP 3.6
2024-03-19 12:10 am 3.3 1.3 9.1 E 3.0 3.7 WNWVERY_STEEP 3.6
2024-03-18 11:40 pm 3.3 1.6 9.1 E 3.0 3.7 WNWVERY_STEEP 3.7
2024-03-18 11:10 pm 3.6 1.3 9.1 E 3.3 4.0 WNWVERY_STEEP 3.7
2024-03-18 10:40 pm 3.3 1.6 9.1ESE 3.0 4.0 WNWVERY_STEEP 3.7
2024-03-18 10:10 pm 3.3 1.6 10.0 E 3.0 4.0 WNWVERY_STEEP 3.7
2024-03-18 09:40 pm 3.6 1.6 9.1 E 3.0 4.0 WNWVERY_STEEP 3.8
2024-03-18 09:10 pm 3.3 1.6 9.1ESE 2.6 3.7 WVERY_STEEP 3.8
2024-03-18 08:40 pm 3.3 1.6 10.0ENE 2.6 3.7 WVERY_STEEP 3.7
2024-03-18 08:10 pm 3.0 2.0 9.1ENE 2.3 3.6 WNW AVERAGE 4.0
2024-03-18 07:40 pm 3.0 2.3 10.0 E 2.0 3.4 WNW SWELL 4.1
2024-03-18 07:10 pm 2.6 2.0 10.0ENE 1.6 3.2 WNW N/A 4.2
2024-03-18 06:40 pm 2.6 2.3 9.1 E 1.3 2.9 WNW SWELL 4.8
2024-03-18 06:10 pm 2.6 2.3 9.1 E 1.3 2.9 WNW SWELL 5.4
2024-03-18 05:40 pm 2.6 2.3 8.3 E 1.0 2.9 WNW N/A 5.2
2024-03-18 05:10 pm 3.0 2.6 9.1 E 1.3 3.0 WNW SWELL 5.6
2024-03-18 04:40 pm 3.0 2.6 9.1ENE 1.3 3.1 WNW SWELL 5.2
2024-03-18 04:10 pm 2.6 2.3 10.0 E 1.3 3.2 WNW SWELL 5.2
2024-03-18 03:40 pm 3.0 2.6 9.1 E 1.3 3.3 WNW SWELL 4.9
2024-03-18 03:10 pm 3.0 2.3 9.1 E 1.6 3.3 WNW SWELL 4.8
2024-03-18 02:40 pm 3.0 2.0 9.1 E 2.0 3.6 WNW SWELL 4.2
2024-03-18 01:40 pm 3.0 2.0 9.1 E 2.3 3.4 WNW AVERAGE 4.0
2024-03-18 01:10 pm 2.6 1.6 10.0 E 2.0 3.6 WNW AVERAGE 3.8
2024-03-18 12:40 pm 2.6 1.6 10.0 E 2.3 3.7 WNW AVERAGE 3.5
2024-03-18 12:10 pm 3.0 1.6 9.1 E 2.3 3.6 W AVERAGE 3.8
2024-03-18 11:40 am 3.0 1.6 10.0 E 2.6 3.3 WNW AVERAGE 3.6
2024-03-18 11:10 am 3.0 1.6 10.0 E 2.6 3.2 WNWVERY_STEEP 3.6
2024-03-18 10:40 am 2.6 1.6 10.0 E 2.0 3.1 WNW N/A 3.5
2024-03-18 10:10 am 2.6 1.6 10.0 E 2.3 3.1 WNW AVERAGE 3.5
2024-03-18 09:40 am 2.6 1.6 9.1 E 2.0 3.0 WNW AVERAGE 3.6
2024-03-18 09:10 am 2.6 1.6 10.0ENE 2.0 3.1 WNW AVERAGE 3.6
2024-03-18 08:40 am 2.6 1.6 9.1 E 2.0 3.2 WNW N/A 3.5
2024-03-18 08:10 am 2.6 2.0 8.3 E 2.0 3.2 WNW SWELL 3.8
2024-03-18 07:40 am 2.6 1.6 9.1 E 2.0 3.2 WNW AVERAGE 3.7
2024-03-18 07:10 am 2.6 2.0 10.8ENE 2.0 3.3 WNW SWELL 4.0
2024-03-18 06:40 am 3.0 2.3 8.3 E 2.0 3.1 WNW SWELL 4.2
2024-03-18 06:10 am 3.0 2.0 10.8ENE 2.0 3.1 WNW SWELL 4.0
2024-03-18 05:40 am 3.0 2.3 10.0 E 1.6 3.2 WNW SWELL 4.3
2024-03-18 05:10 am 2.6 2.3 8.3 E 1.6 2.9 W SWELL 4.5
2024-03-18 04:40 am 3.0 2.3 9.1 E 1.6 2.9 W SWELL 4.6
2024-03-18 04:10 am 2.6 2.3 10.0 E 1.3 2.9 W SWELL 4.8

Plot of wave energy versus frequency (and period)