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Station SJNP4 - 9755371 - San Juan, La Puntilla, San Juan Bay, PR Image indicating link to RSS feed of recent meteorological observations for station SJNP4

Owned and maintained by NOAA's National Ocean Service
Water Level Observation Network
18.459 N 66.116 W (18°27'32" N 66°6'59" W)

Site elevation: 1.3 m above mean sea level
Air temp height: 2.8 m above site elevation
Anemometer height: 5.7 m above site elevation
Barometer elevation: 3 m above mean sea level
Sea temp depth: 3.8 m below MLLW

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 SJNP4

Large icon indicates selected station.
yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
(24 hours for tsunami stations)

Conditions at SJNP4 as of
(8:54 pm AST on 07/20/2026)
0054 GMT on 07/21/2026:
     

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):ENE ( 60 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 12.0 kts
5-day plot - Wind Gust Wind Gust (GST): 15.0 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.04 in
5-day plot - Air Temperature Air Temperature (ATMP): 83.5 °F
5-day plot - Water Temperature Water Temperature (WTMP): 85.3 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 13.6 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 13.6 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
NOS Water Level Observation Network Water Level
Previous observations
TIME
(AST)		 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
2026-07-20 08:48 pmENE 12.0 15.0----30.04- 83.7 85.3----
2026-07-20 08:42 pmENE 11.1 14.0----30.04- 83.7 85.3----
2026-07-20 08:36 pmENE 12.0 15.0----30.03- 83.7 85.3----
2026-07-20 08:30 pmENE 11.1 14.0----30.03- 83.7 85.3----
2026-07-20 08:24 pmENE 14.0 15.9----30.03- 83.7 85.3----
2026-07-20 08:18 pmENE 12.0 15.0----30.03-- 85.3----
2026-07-20 08:12 pm E 13.0 15.0----30.03-- 85.3----
2026-07-20 08:06 pmENE 14.0 17.1----30.03-- 85.3----
2026-07-20 08:00 pmENE 12.0 15.0----30.03+0.04 83.8 85.3----
2026-07-20 07:54 pmENE 13.0 15.9----30.02- 83.7 85.3----
2026-07-20 07:48 pmENE 15.9 19.0----30.02-- 85.3----
2026-07-20 07:42 pmENE 14.0 18.1----30.02-- 85.3----
2026-07-20 07:36 pmENE 14.0 17.1----30.02-- 85.3----
2026-07-20 07:30 pmENE 14.0 17.1----30.02- 83.8 85.3----
2026-07-20 07:24 pmENE 14.0 18.1----30.02- 83.8 85.3----
2026-07-20 07:18 pmENE 14.0 17.1----30.02-- 85.3----
2026-07-20 07:12 pmENE 12.0 17.1----30.02-- 85.3----
2026-07-20 07:06 pmENE 13.0 15.9----30.02-- 85.5----
2026-07-20 07:00 pmENE 12.0 15.9----30.02+0.03 83.8 85.5----
2026-07-20 06:54 pmENE 12.0 17.1----30.02- 83.8 85.5----
2026-07-20 06:48 pmENE 13.0 17.1----30.02- 83.8 85.5----
2026-07-20 06:42 pmENE 14.0 17.1----30.01- 84.0 85.5----
2026-07-20 06:36 pmENE 13.0 15.9----30.01- 84.0 85.5----
2026-07-20 06:30 pmENE 13.0 15.9----30.01- 84.2 85.5----
2026-07-20 06:24 pmENE 13.0 15.9----30.01- 84.2 85.5----
2026-07-20 06:18 pmENE 13.0 17.1----30.01-------
2026-07-20 06:12 pm E 15.0 19.0----30.00-------
2026-07-20 06:06 pm E 17.1 20.0----30.00-------
2026-07-20 06:00 pmENE 15.9 19.0----30.00+0.01 84.2 85.5----
2026-07-20 05:54 pmENE 15.0 20.0----29.99- 84.4 85.5----
2026-07-20 05:48 pmENE 17.1 19.0----29.99- 84.2 85.5----
2026-07-20 05:42 pmENE 15.9 20.0----29.99- 84.4 85.6----
2026-07-20 05:36 pmENE 17.1 20.0----29.99- 84.0 85.6----
2026-07-20 05:30 pmENE 15.0 20.0----29.99- 84.4 85.6----
2026-07-20 05:24 pmENE 17.1 19.0----29.99- 84.2 85.6----
2026-07-20 05:18 pmENE 18.1 20.0----29.99-- 85.6----
2026-07-20 05:12 pmENE 17.1 20.0----29.99-- 85.6----
2026-07-20 05:06 pmENE 17.1 19.0----29.99-- 85.6----
2026-07-20 05:00 pmENE 15.9 19.0----29.98-0.01 84.6 85.6----
2026-07-20 04:54 pmENE 18.1 20.0----29.98- 84.4 85.6----
2026-07-20 04:48 pmENE 18.1 22.0----29.98- 84.6 85.6----
2026-07-20 04:42 pmENE 18.1 21.0----29.98- 84.2 85.6----
2026-07-20 04:36 pmENE 17.1 21.0----29.98- 84.6 85.6----
2026-07-20 04:30 pmENE 19.0 22.0----29.98- 84.4 85.6----
2026-07-20 04:24 pmENE 18.1 21.0----29.99- 84.4 85.6----
2026-07-20 04:18 pmENE 19.0 24.1----29.99-- 85.6----
2026-07-20 04:12 pmENE 18.1 21.0----29.98-- 85.6----
2026-07-20 04:06 pmENE 17.1 22.0----29.99-- 85.6----
2026-07-20 04:00 pmENE 17.1 22.0----29.98-0.03 84.4 85.5----
2026-07-20 03:54 pmENE 19.0 21.0----29.98- 84.2 85.5----
2026-07-20 03:48 pmENE 20.0 24.1----29.98-- 85.5----
2026-07-20 03:42 pmENE 19.0 22.0----29.98-- 85.5----
2026-07-20 03:36 pmENE 18.1 22.9----29.98-- 85.5----
2026-07-20 03:30 pmENE 19.0 22.0----29.98- 84.6 85.5----
2026-07-20 03:24 pmENE 19.0 22.9----29.98- 84.4 85.5----
2026-07-20 03:18 pmENE 20.0 22.9----29.98-- 85.5----
2026-07-20 03:12 pmENE 19.0 24.1----29.98-- 85.5----
2026-07-20 03:06 pmENE 19.0 22.9----29.98-- 85.5----
2026-07-20 03:00 pmENE 18.1 21.0----29.99-0.04 84.6 85.5----
2026-07-20 02:54 pmENE 17.1 21.0----29.99- 84.6 85.5----
2026-07-20 02:48 pmENE 19.0 22.0----29.99- 84.6 85.5----
2026-07-20 02:42 pmENE 17.1 24.1----29.99- 84.7 85.5----
2026-07-20 02:36 pmENE 15.9 22.9----29.99- 84.7 85.5----
2026-07-20 02:30 pmENE 15.9 20.0----29.99- 84.9 85.3----
2026-07-20 02:24 pmENE 18.1 21.0----29.99- 84.7 85.5----
2026-07-20 02:18 pm E 17.1 22.0----29.99-- 85.5----
2026-07-20 02:12 pmENE 15.9 22.9----29.99-- 85.5----
2026-07-20 02:06 pmENE 17.1 22.0----30.00-- 85.5----
2026-07-20 02:00 pm E 19.0 22.0----30.00-0.04 84.6 85.5----
2026-07-20 01:54 pmENE 18.1 22.9----30.00- 85.1 85.5----
2026-07-20 01:48 pmENE 18.1 21.0----30.00-- 85.5----
2026-07-20 01:42 pmENE 15.9 22.0----30.00-- 85.5----
2026-07-20 01:36 pmENE 19.0 22.0----30.00-- 85.5----
2026-07-20 01:30 pmENE 18.1 22.9----30.01- 84.7 85.5----
2026-07-20 01:24 pmENE 18.1 22.0----30.01- 84.6 85.5----
2026-07-20 01:18 pmENE 15.9 20.0----30.01-- 85.5----
2026-07-20 01:12 pmENE 18.1 22.0----30.01-- 85.5----
2026-07-20 01:06 pmENE 18.1 22.9----30.01-- 85.5----
2026-07-20 01:00 pm E 19.0 22.0----30.01-0.03 84.2 85.5----
2026-07-20 12:54 pm E 19.0 22.0----30.01- 84.4 85.5----
2026-07-20 12:48 pm E 18.1 21.0----30.01- 84.2 85.5----
2026-07-20 12:42 pmENE 17.1 22.0----30.01- 84.2 85.5----
2026-07-20 12:36 pm E 20.0 22.9----30.01- 84.0 85.5----
2026-07-20 12:30 pm E 18.1 21.0----30.01- 84.0 85.5----
2026-07-20 12:24 pmENE 15.9 21.0----30.02- 84.4 85.3----
2026-07-20 12:18 pmENE 18.1 22.0----30.02-- 85.3----
2026-07-20 12:12 pmENE 19.0 22.0----30.02-- 85.3----
2026-07-20 12:06 pm E 18.1 22.0----30.02-- 85.3----
2026-07-20 12:00 pm E 20.0 22.0----30.02-0.02 84.0 85.3----
2026-07-20 11:54 am E 19.0 22.9----30.03- 84.2 85.3----
2026-07-20 11:48 am E 20.0 24.1----30.03- 84.0 85.3----
2026-07-20 11:42 amENE 20.0 24.1----30.03- 84.2 85.3----
2026-07-20 11:36 amENE 20.0 22.0----30.03- 84.0 85.3----
2026-07-20 11:30 amENE 19.0 22.0----30.03- 84.2 85.3----
2026-07-20 11:24 amENE 19.0 22.0----30.03- 84.2 85.3----
2026-07-20 11:18 amENE 17.1 22.9----30.04-- 85.3----
2026-07-20 11:12 am E 17.1 21.0----30.04-- 85.3----
2026-07-20 11:06 am E 15.9 21.0----30.04-- 85.1----
2026-07-20 11:00 am E 18.1 22.0----30.04+0.00 84.0 85.1----
2026-07-20 10:54 amENE 15.9 20.0----30.04- 84.2 85.1----
2026-07-20 10:48 amENE 17.1 20.0----30.04-- 85.1----
2026-07-20 10:42 am E 15.9 20.0----30.04-- 85.1----
2026-07-20 10:36 amENE 15.0 19.0----30.04-- 85.1----
2026-07-20 10:30 am E 17.1 19.0----30.04- 83.8 85.1----
2026-07-20 10:24 amENE 15.0 20.0----30.04- 84.0 85.1----
2026-07-20 10:18 am E 17.1 20.0----30.04-- 84.9----
2026-07-20 10:12 amENE 15.9 19.0----30.04-- 84.9----
2026-07-20 10:06 am E 15.9 19.0----30.04-- 85.1----
2026-07-20 10:00 amENE 13.0 15.9----30.04- 84.7 84.9----
2026-07-20 09:54 am E 15.0 19.0----30.05- 84.0 84.9----
2026-07-20 09:48 amENE 14.0 18.1----30.04- 84.2 84.9----
2026-07-20 09:42 amENE 12.0 17.1----30.04- 84.7 84.9----
2026-07-20 09:36 am E 13.0 18.1----30.04- 84.2 84.9----
2026-07-20 09:30 amENE 15.0 17.1----30.04- 84.2 84.9----
2026-07-20 09:24 am E 13.0 19.0----30.04- 83.8 84.9----
2026-07-20 09:18 amENE 12.0 15.9----30.05-- 84.9----
2026-07-20 09:12 amENE 11.1 14.0----30.04-- 84.9----
2026-07-20 09:06 am E 11.1 15.0----30.04-- 84.9----
2026-07-20 09:00 amENE 12.0 15.0----30.04+0.02 84.0 84.9----
2026-07-20 08:54 am E 9.9 14.0----30.04- 84.0 84.9----
2026-07-20 08:48 am E 8.9 12.0----30.04- 83.8 84.9----
2026-07-20 08:42 amENE 9.9 13.0----30.04- 83.8 84.9----
2026-07-20 08:36 amENE 11.1 15.0----30.04- 83.8 84.9----
2026-07-20 08:30 am E 7.0 11.1----30.04- 83.8 84.9----
2026-07-20 08:24 am E 8.9 13.0----30.04- 83.8 84.9----
2026-07-20 08:18 amENE 9.9 13.0----30.04-- 84.9----
2026-07-20 08:12 am E 12.0 14.0----30.04-- 84.9----
2026-07-20 08:06 am E 9.9 15.0----30.04-- 84.9----
2026-07-20 08:00 am E 8.0 11.1----30.04+0.03 83.8 84.9----
2026-07-20 07:54 am E 7.0 11.1----30.04- 83.3 84.9----
2026-07-20 07:48 amESE 8.9 12.0----30.04-- 84.7----
2026-07-20 07:42 am E 6.0 8.9----30.04-- 84.9----
2026-07-20 07:36 am E 8.9 12.0----30.04-- 84.7----
2026-07-20 07:30 am E 8.9 11.1----30.04- 83.3 84.7----
2026-07-20 07:24 amENE 8.9 12.0----30.04- 83.3 84.7----
2026-07-20 07:18 am E 8.9 13.0----30.04-- 84.7----
2026-07-20 07:12 am E 11.1 13.0----30.04-- 84.7----
2026-07-20 07:06 am E 13.0 15.9----30.04-- 84.7----
2026-07-20 07:00 amENE 13.0 15.0------ 82.9 84.7----
2026-07-20 06:54 amENE 13.0 15.0------ 82.9 84.7----
2026-07-20 06:48 amENE 11.1 13.0----30.03-- 84.7----
2026-07-20 06:42 am E 8.9 12.0----30.03-- 84.7----
2026-07-20 06:36 amENE 11.1 13.0----30.03-- 84.7----
2026-07-20 06:30 am E 11.1 13.0----30.03- 82.9 84.7----
2026-07-20 06:24 am E 11.1 14.0----30.03- 82.9 84.7----
2026-07-20 06:18 am E 11.1 13.0----30.03-- 84.6----
2026-07-20 06:12 amENE 12.0 14.0----30.03-- 84.7----
2026-07-20 06:06 amENE 12.0 15.0----30.03-- 84.9----
2026-07-20 06:00 amENE 13.0 17.1----30.02+0.01 82.8 84.9----
2026-07-20 05:54 amENE 12.0 14.0----30.02- 82.8 84.9----
2026-07-20 05:48 am E 12.0 15.0----30.02-- 84.9----
2026-07-20 05:42 am E 13.0 15.0----30.02-- 84.9----
2026-07-20 05:36 am E 14.0 15.9----30.02-- 84.7----
2026-07-20 05:30 am E 14.0 17.1----30.02- 82.9 84.7----
2026-07-20 05:24 amENE 14.0 17.1----30.02- 82.6 84.9----
2026-07-20 05:18 amENE 13.0 15.9----30.01-- 84.9----
2026-07-20 05:12 amENE 13.0 17.1----30.01-- 84.9----
2026-07-20 05:06 am E 14.0 17.1----30.01-- 84.9----
2026-07-20 05:00 am E 14.0 17.1----30.01+0.00 82.8 84.9----
2026-07-20 04:54 am E 15.9 18.1----30.01- 82.6 84.9----
2026-07-20 04:48 amENE 13.0 18.1----30.01-- 84.9----
2026-07-20 04:42 am E 14.0 18.1----30.01-- 84.9----
2026-07-20 04:36 am E 15.0 18.1----30.01-- 84.9----
2026-07-20 04:30 am E 14.0 19.0----30.01- 82.8 84.9----
2026-07-20 04:24 am E 14.0 15.9----30.01- 82.8 84.9----
2026-07-20 04:18 am E 14.0 17.1----30.00-- 84.9----
2026-07-20 04:12 am E 15.0 19.0----30.00-- 84.9----
2026-07-20 04:06 am E 14.0 18.1----30.00-- 85.1----
2026-07-20 04:00 am E 13.0 17.1----30.00-0.02 82.9 85.1----
2026-07-20 03:54 amENE 14.0 15.9----30.00- 82.8 85.1----
2026-07-20 03:48 am E 13.0 17.1----30.00- 82.9 85.1----
2026-07-20 03:42 am E 15.0 19.0----30.01- 82.9 85.1----
2026-07-20 03:36 am E 14.0 18.1----30.00- 82.8 85.1----
2026-07-20 03:30 am E 14.0 18.1----30.00- 82.8 85.1----
2026-07-20 03:24 am E 13.0 15.0----30.01- 82.9 85.1----
2026-07-20 03:18 am E 13.0 19.0----30.01-- 85.1----
2026-07-20 03:12 amENE 14.0 18.1----30.01-- 85.1----
2026-07-20 03:06 amENE 15.9 18.1----30.01-- 85.1----
2026-07-20 03:00 am E 13.0 15.9----30.01-0.03 83.1-----
2026-07-20 02:54 am E 12.0 19.0----30.01- 83.1-----
2026-07-20 02:48 am E 15.0 18.1----30.01- 83.3 85.1----
2026-07-20 02:42 am E 13.0 17.1----30.01- 83.1 85.1----
2026-07-20 02:36 am E 14.0 15.9----30.01- 83.1 85.1----
2026-07-20 02:30 am E 14.0 18.1------ 83.1 85.1----
2026-07-20 02:24 am E 13.0 17.1------ 83.3 85.1----
2026-07-20 02:18 am E 12.0 18.1----30.01-- 85.1----
2026-07-20 02:12 am E 11.1 15.9----30.01-- 85.1----
2026-07-20 02:06 am E 13.0 17.1----30.01-- 85.1----
2026-07-20 02:00 am E 13.0 17.1----30.01-0.04 83.1 85.1----
2026-07-20 01:54 am E 15.0 18.1----30.02- 83.3 85.1----
2026-07-20 01:48 am E 14.0 18.1----30.02-- 85.1----
2026-07-20 01:42 am E 14.0 18.1----30.02-- 85.1----
2026-07-20 01:36 am E 14.0 19.0----30.02-- 85.1----
2026-07-20 01:30 am E 14.0 15.9----30.02- 83.1 85.1----
2026-07-20 01:24 am E 11.1 13.0----30.02- 82.9 85.1----
2026-07-20 01:18 am E 13.0 18.1------------
2026-07-20 01:12 am E 15.0 18.1----30.02-- 85.1----
2026-07-20 01:06 amENE 15.0 17.1----30.02-- 85.1----
2026-07-20 01:00 am E 14.0 15.9----30.03-0.03 83.3 85.1----
2026-07-20 12:54 am E 14.0 15.9----30.03- 83.3 85.1----
2026-07-20 12:48 am E 14.0 19.0----30.03- 83.3 85.1----
2026-07-20 12:42 am E 15.0 18.1----30.03- 83.1 85.1----
2026-07-20 12:36 am E 17.1 20.0----30.03- 83.3 85.1----
2026-07-20 12:30 am E 17.1 19.0----30.03- 83.5 85.1----
2026-07-20 12:24 amENE 15.0 19.0----30.04- 83.3 85.1----
2026-07-20 12:18 am E 13.0 18.1----30.04- 83.3 85.1----
2026-07-20 12:12 am E 14.0 17.1----30.04- 83.5 85.1----
2026-07-20 12:06 am E 15.0 17.1----30.04- 83.3 85.1----
2026-07-20 12:00 am E 14.0 19.0----30.04+0.00 83.5 85.1----
2026-07-19 11:54 pmENE 15.0 17.1----30.04- 83.3 85.1----
2026-07-19 11:48 pm E 14.0 19.0----30.04- 83.5 85.1----
2026-07-19 11:42 pmENE 15.0 17.1----30.04- 83.5 85.1----
2026-07-19 11:36 pm E 15.9 19.0----30.04- 83.5 85.1----
2026-07-19 11:30 pm E 15.0 17.1----30.04- 83.3 85.1----
2026-07-19 11:24 pmENE 13.0 17.1----30.05- 83.7 85.1----
2026-07-19 11:18 pmENE 13.0 17.1----30.05-- 85.1----
2026-07-19 11:12 pm E 15.0 17.1----30.05-- 85.1----
2026-07-19 11:06 pm E 15.0 19.0----30.05-- 85.1----
2026-07-19 11:00 pm E 15.9 20.0----30.05+0.03 83.1 85.1----
2026-07-19 10:54 pm E 15.9 17.1----30.05- 83.3 85.1----
2026-07-19 10:48 pmENE 12.0 15.0----30.06- 83.7 85.1----
2026-07-19 10:42 pm E 15.0 18.1----30.06- 83.5 85.1----
2026-07-19 10:36 pmENE 15.0 18.1----30.06- 83.7 85.1----
2026-07-19 10:30 pm E 15.9 17.1----30.06- 83.7 85.1----
2026-07-19 10:24 pmENE 13.0 17.1----30.06- 83.7 85.3----
2026-07-19 10:18 pmENE 12.0 15.0----30.06-------
2026-07-19 10:12 pmENE 12.0 15.0----30.06-------
2026-07-19 10:06 pmENE 12.0 15.9----30.06-------
2026-07-19 10:00 pm E 14.0 17.1----30.05+0.04 83.3 85.3----
2026-07-19 09:54 pmENE 12.0 17.1----30.05- 83.7 85.3----
2026-07-19 09:48 pmENE 11.1 14.0----30.05- 83.3 85.3----
2026-07-19 09:42 pmENE 11.1 14.0----30.05- 83.7 85.3----
2026-07-19 09:36 pmENE 11.1 14.0----30.05- 83.5 85.3----
2026-07-19 09:30 pmENE 12.0 14.0----30.04- 83.5 85.3----
2026-07-19 09:24 pmENE 12.0 17.1----30.04- 83.5 85.3----
2026-07-19 09:18 pmENE 13.0 17.1----30.04-- 85.3----
2026-07-19 09:12 pmENE 13.0 17.1----30.04-- 85.3----
2026-07-19 09:06 pmENE 13.0 15.9----30.04-- 85.3----
2026-07-19 09:00 pm E 13.0 15.9----30.03+0.04 83.7 85.3----
2026-07-19 08:54 pmENE 13.0 17.1----30.03- 83.5 85.3----