Station List

Station 41121 - Arecibo, Puerto Rico (249) Image indicating link to RSS feed of recent meteorological observations for station 41121

Owned and maintained by Caribbean Integrated Coastal Ocean Observing System (CarICOOS)
Waverider Buoy
18.491 N 66.701 W (18°29'27" N 66°42'2" W)

Site elevation: sea level
Sea temp depth: 0.46 m below water line
Water depth: 32 m

Latest NWS Marine Forecast

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station 41121

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yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
(24 hours for tsunami stations)

Conditions at 41121 as of
(6:30 pm ADT)
2130 GMT on 05/19/2026:
     

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 - 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): 4.8 sec
5-day plot - Mean Wave Direction Mean Wave Direction (MWD):ENE ( 62 deg true )
5-day plot - Air Temperature Air Temperature (ATMP): 81.1 °F
5-day plot - Water Temperature Water Temperature (WTMP): 81.9 °F
Previous observations
TIME
(ADT)		 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
2026-05-19 06:00 pm--- 4.6 74.6 NE-- 81.0 81.9----
2026-05-19 05:30 pm--- 5.2 64.8ENE-- 81.5 81.9----
2026-05-19 05:00 pm--- 5.2 64.7ENE-- 81.5 81.9----
2026-05-19 04:30 pm--- 4.9 74.6ENE-- 81.5 81.9----
2026-05-19 04:00 pm--- 4.6 64.5ENE-- 81.9 81.9----
2026-05-19 03:30 pm--- 4.9 64.5ENE-- 82.2 81.9----
2026-05-19 03:00 pm--- 4.9 74.6 NE-- 82.0 81.9----
2026-05-19 02:30 pm--- 4.3 54.5ENE-- 81.7 81.9----
2026-05-19 02:00 pm--- 4.3 74.4ENE-- 81.9 81.9----
2026-05-19 01:30 pm--- 4.3 74.5ENE-- 82.2 81.9----
2026-05-19 01:00 pm--- 4.3 84.7 NE-- 81.9 81.9----
2026-05-19 12:30 pm--- 3.9 74.6ENE-- 81.7 81.9----
2026-05-19 12:00 pm--- 3.9 64.6 NE-- 82.0 81.7----
2026-05-19 11:30 am--- 4.3 74.9ENE-- 82.2 81.7----
2026-05-19 11:00 am--- 3.9 64.9 NE-- 82.2 81.7----
2026-05-19 10:30 am--- 3.9 65.0ENE-- 81.5 81.7----
2026-05-19 10:00 am--- 4.3 75.3ENE-- 83.3 81.7----
2026-05-19 09:30 am--- 3.9 65.3ENE-- 82.6 81.7----
2026-05-19 09:00 am--- 3.9 65.4ENE-- 81.3 81.7----
2026-05-19 08:30 am--- 3.9 75.5ENE-- 80.6 81.7----
2026-05-19 08:00 am--- 4.3 75.6ENE-- 77.4 81.5----
2026-05-19 07:30 am--- 3.9 65.5ENE-- 77.2 81.1----
2026-05-19 07:00 am--- 3.9 75.6ENE-- 76.8 80.2----
2026-05-19 06:30 am--- 4.3 75.8 NE-- 75.7 80.6----
2026-05-19 06:00 am--- 3.6 75.7ENE-- 74.7 80.8----
2026-05-19 05:30 am--- 3.9 75.7 NE-- 74.7 80.8----
2026-05-19 05:00 am--- 3.6 75.7 NE-- 74.3 81.0----
2026-05-19 04:30 am--- 3.9 65.6 NE-- 74.5 80.8----
2026-05-19 04:00 am--- 3.9 65.6 NE-- 74.8 81.0----
2026-05-19 03:30 am--- 3.6 65.6 NE-- 75.6 81.1----
2026-05-19 03:00 am--- 3.3 65.4ENE-- 75.7 81.7----
2026-05-19 02:30 am--- 3.6 65.4ENE-- 75.9 81.7----
2026-05-19 02:00 am--- 3.9 65.4ENE-- 76.1 81.9----
2026-05-19 01:30 am--- 3.6 65.3 NE-- 77.2 81.7----
2026-05-19 01:00 am--- 3.6 65.2ENE-- 77.7 81.9----
2026-05-19 12:30 am--- 3.9 65.3ENE-- 78.6 81.9----
2026-05-19 12:00 am--- 3.9 65.1ENE-- 79.5 81.9----
2026-05-18 11:30 pm--- 4.3 65.1ENE-- 80.1 81.9----
2026-05-18 11:00 pm--- 3.9 64.8ENE-- 79.9 82.0----
2026-05-18 10:30 pm--- 4.3 64.8 NE-- 80.4 82.0----
2026-05-18 10:00 pm--- 4.3 65.0ENE-- 80.6 82.0----
2026-05-18 09:30 pm--- 4.6 64.9ENE-- 80.8 82.0----
2026-05-18 09:00 pm--- 4.9 64.9ENE-- 81.3 82.0----
2026-05-18 08:00 pm--- 4.6 64.8ENE-- 81.5 82.0----
2026-05-18 07:30 pm--- 5.2 64.8ENE-- 81.5 82.0----
2026-05-18 07:00 pm--- 5.2 64.7ENE-- 81.7 82.0----
Wave Summary
for 41121 as of (6:30 pm ADT)
2130 GMT on 05/19/2026:

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): 4.9 ft
5-day plot - Swell Height Swell Height (SwH): 0.7 ft
5-day plot - Swell Period Swell Period (SwP): 10.0 sec
5-day plot - Swell Direction Swell Direction (SwD): NE
5-day plot - Wind Wave Height Wind Wave Height (WWH): 4.9 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 6.7 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD):ENE
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): STEEP
5-day plot - Average Wave Period Average Wave Period (APD): 4.8 sec
Previous observations
TIME
(ADT)		 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
2026-05-19 06:00 pm 4.6 0.7 10.0 NE 4.6 7.4 NE AVERAGE 4.6
2026-05-19 05:30 pm 5.2 0.7 10.0 NE 5.2 6.1 ENEVERY_STEEP 4.8
2026-05-19 05:00 pm 5.2 0.7 10.0 NE 5.2 6.5 ENE STEEP 4.7
2026-05-19 04:30 pm 4.9 0.7 10.0 NE 4.9 6.9 ENE STEEP 4.6
2026-05-19 04:00 pm 4.6 0.7 10.0 NE 4.6 5.7 ENEVERY_STEEP 4.5
2026-05-19 03:30 pm 4.9 0.7 10.0 NE 4.9 6.1 ENE STEEP 4.5
2026-05-19 03:00 pm 4.9 0.7 10.0 NE 4.9 6.9 NE STEEP 4.6
2026-05-19 02:30 pm 4.3 0.7 10.0 NE 4.3 5.4 ENEVERY_STEEP 4.5
2026-05-19 02:00 pm 4.3 0.7 10.0 NE 4.3 6.7 ENE STEEP 4.4
2026-05-19 01:30 pm 4.3 0.7 10.5 NE 4.3 6.7 ENE STEEP 4.5
2026-05-19 01:00 pm 4.3 1.0 10.0 NE 4.3 7.7 NE AVERAGE 4.7
2026-05-19 12:30 pm 3.9 0.7 10.0 NE 3.9 6.7 ENE STEEP 4.6
2026-05-19 12:00 pm 3.9 0.7 10.0 NE 3.9 6.5 NE STEEP 4.6
2026-05-19 11:30 am 4.3 0.7 10.0 NE 4.3 6.7 ENE STEEP 4.9
2026-05-19 11:00 am 3.9 0.7 10.5 NE 3.9 5.9 NE STEEP 4.9
2026-05-19 10:30 am 3.9 1.0 10.0 NE 3.6 6.5 ENE STEEP 5.0
2026-05-19 10:00 am 4.3 0.7 10.0 NE 3.9 6.9 ENE STEEP 5.3
2026-05-19 09:30 am 3.9 0.7 10.5 NE 3.6 6.1 ENE STEEP 5.3
2026-05-19 09:00 am 3.9 1.0 10.0 NE 3.9 6.5 ENE STEEP 5.4
2026-05-19 08:30 am 3.9 1.0 10.0 NE 3.9 6.9 ENE STEEP 5.5
2026-05-19 08:00 am 3.9 0.7 10.0 NE 3.9 6.7 ENE STEEP 5.6
2026-05-19 07:30 am 3.9 1.0 10.0 NE 3.6 6.2 ENE STEEP 5.5
2026-05-19 07:00 am 3.9 0.7 10.0 NE 3.9 6.9 ENE STEEP 5.6
2026-05-19 06:30 am 3.9 1.0 10.0 NE 3.9 6.7 NE STEEP 5.8
2026-05-19 06:00 am 3.6 0.7 10.0 NE 3.6 6.7 ENE STEEP 5.7
2026-05-19 05:30 am 3.9 0.7 10.0NNE 3.6 6.9 NE AVERAGE 5.7
2026-05-19 05:00 am 3.6 0.7 10.5 NE 3.6 6.7 NE STEEP 5.7
2026-05-19 04:30 am 3.9 0.7 10.0 NE 3.6 6.2 NE STEEP 5.6
2026-05-19 04:00 am 3.9 0.7 10.0 NE 3.6 5.9 NE STEEP 5.6
2026-05-19 03:30 am 3.6 0.7 10.5 NE 3.6 6.2 NE STEEP 5.6
2026-05-19 03:00 am 3.3 0.7 10.0 NE 3.3 5.9 ENE STEEP 5.4
2026-05-19 02:30 am 3.6 0.7 10.0 NE 3.6 5.7 ENE STEEP 5.4
2026-05-19 02:00 am 3.9 0.7 10.0 NE 3.6 6.5 ENE STEEP 5.4
2026-05-19 01:30 am 3.6 0.7 10.5 NE 3.6 5.7 NE STEEP 5.3
2026-05-19 01:00 am 3.6 0.7 10.0NNE 3.3 6.2 ENE STEEP 5.2
2026-05-19 12:30 am 3.9 1.0 10.0 NE 3.6 6.2 ENE STEEP 5.3
2026-05-19 12:00 am 3.9 0.7 10.5 NE 3.9 6.2 ENE STEEP 5.1
2026-05-18 11:30 pm 4.3 1.0 10.5 NE 3.9 5.7 ENEVERY_STEEP 5.1
2026-05-18 11:00 pm 3.9 1.0 10.0 NE 3.9 6.2 ENE STEEP 4.8
2026-05-18 10:30 pm 4.3 1.0 10.0 NE 4.3 5.7 NEVERY_STEEP 4.8
2026-05-18 10:00 pm 4.3 0.7 10.5NNE 4.3 6.2 ENE STEEP 5.0
2026-05-18 09:30 pm 4.6 0.7 10.5 NE 4.6 5.9 ENE STEEP 4.9
2026-05-18 09:00 pm 4.6 1.0 10.0 NE 4.6 6.2 ENE STEEP 4.9
2026-05-18 08:30 pm 4.9 1.0 10.5 NE 4.6 6.2 ENE STEEP 4.9
2026-05-18 08:00 pm 4.6 0.7 10.0 NE 4.6 5.9 ENEVERY_STEEP 4.8
2026-05-18 07:30 pm 5.2 0.7 10.0 NE 4.9 6.1 ENE STEEP 4.8
2026-05-18 07:00 pm 5.2 0.7 10.0 NE 4.9 5.9 ENEVERY_STEEP 4.7

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