Station List

Station 51211 - Pearl Harbor Entrance, HI (233)

Owned and maintained by Pacific Islands Ocean Observing System (PacIOOS)
Data provided by Scripps Institution of Oceanography
Waverider Buoy
21.297 N 157.959 W (21°17'50" N 157°57'32" W)

Site elevation: sea level
Sea temp depth: 0.46 m below water line
Water depth: 35 m

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Conditions at 51211 as of
(6:00 pm HST on 08/09/2026)
0400 GMT on 08/10/2026:
Unit of Measure: Time Zone: Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
Wave Height (WVHT):	2.6 ft
Dominant Wave Period (DPD):	13 sec
Average Period (APD):	4.8 sec
Mean Wave Direction (MWD):	S ( 171 deg true )
Air Temperature (ATMP):	81.0 °F
Water Temperature (WTMP):	81.9 °F

Previous observations
TIME (HST)	WDIR	WSPD kts	GST kts	WVHT ft	DPD sec	APD sec	MWD	PRES in	PTDY in	ATMP °F	WTMP °F	DEWP °F	SAL psu	VIS nmi	TIDE ft
2026-08-09 05:30 pm	-	-	-	2.6	13	4.9	SSE	-	-	81.1	81.9	-	-	-	-
2026-08-09 05:00 pm	-	-	-	2.6	13	4.7	SSE	-	-	82.9	82.0	-	-	-	-
2026-08-09 04:30 pm	-	-	-	2.6	13	4.5	SSE	-	-	82.8	81.9	-	-	-	-
2026-08-09 04:00 pm	-	-	-	2.6	17	4.6	S	-	-	82.4	82.0	-	-	-	-
2026-08-09 03:30 pm	-	-	-	3.0	13	4.7	SSE	-	-	82.4	81.9	-	-	-	-
2026-08-09 03:00 pm	-	-	-	2.6	13	4.8	S	-	-	82.6	82.0	-	-	-	-
2026-08-09 02:30 pm	-	-	-	3.0	13	5.0	SSE	-	-	83.5	82.0	-	-	-	-
2026-08-09 02:00 pm	-	-	-	3.0	13	5.1	SSE	-	-	83.5	81.9	-	-	-	-
2026-08-09 01:30 pm	-	-	-	3.0	13	5.3	SSE	-	-	83.5	81.9	-	-	-	-
2026-08-09 01:00 pm	-	-	-	2.6	13	5.0	S	-	-	83.5	81.9	-	-	-	-
2026-08-09 12:30 pm	-	-	-	3.0	13	5.0	S	-	-	83.3	81.9	-	-	-	-
2026-08-09 12:00 pm	-	-	-	2.6	13	5.1	SSE	-	-	83.5	81.9	-	-	-	-
2026-08-09 11:30 am	-	-	-	2.6	13	5.3	SSE	-	-	83.8	81.9	-	-	-	-
2026-08-09 11:00 am	-	-	-	2.6	13	5.6	SSE	-	-	83.8	81.7	-	-	-	-
2026-08-09 10:30 am	-	-	-	2.6	13	6.2	SSE	-	-	83.3	81.7	-	-	-	-
2026-08-09 10:00 am	-	-	-	2.6	13	5.9	SSE	-	-	82.9	81.7	-	-	-	-
2026-08-09 09:30 am	-	-	-	2.6	13	6.1	SSE	-	-	82.2	81.5	-	-	-	-
2026-08-09 09:00 am	-	-	-	2.3	13	5.8	SSE	-	-	80.8	81.5	-	-	-	-
2026-08-09 08:30 am	-	-	-	2.6	13	6.4	SSE	-	-	80.6	81.5	-	-	-	-
2026-08-09 08:00 am	-	-	-	2.3	13	6.6	SSE	-	-	81.3	81.5	-	-	-	-
2026-08-09 07:30 am	-	-	-	2.6	13	6.5	SSE	-	-	81.0	81.5	-	-	-	-
2026-08-09 07:00 am	-	-	-	2.6	13	6.8	SSE	-	-	79.2	81.5	-	-	-	-
2026-08-09 06:30 am	-	-	-	2.6	13	6.2	SSE	-	-	79.3	81.5	-	-	-	-
2026-08-09 06:00 am	-	-	-	2.6	13	5.8	SSE	-	-	78.8	81.3	-	-	-	-
2026-08-09 05:30 am	-	-	-	2.6	14	5.9	SSE	-	-	79.0	81.5	-	-	-	-
2026-08-09 05:00 am	-	-	-	2.6	13	5.5	SSE	-	-	79.0	81.5	-	-	-	-
2026-08-09 04:30 am	-	-	-	2.6	14	5.5	SSE	-	-	79.0	81.5	-	-	-	-
2026-08-09 04:00 am	-	-	-	2.6	14	5.0	SSE	-	-	78.4	81.5	-	-	-	-
2026-08-09 03:30 am	-	-	-	2.6	14	5.4	SSE	-	-	78.8	81.5	-	-	-	-
2026-08-09 03:00 am	-	-	-	2.6	14	5.2	SSE	-	-	79.2	81.5	-	-	-	-
2026-08-09 02:30 am	-	-	-	2.6	13	5.2	SSE	-	-	79.5	81.5	-	-	-	-
2026-08-09 02:00 am	-	-	-	3.0	14	5.3	SSE	-	-	79.7	81.5	-	-	-	-
2026-08-09 01:30 am	-	-	-	3.0	14	5.6	SSE	-	-	79.5	81.5	-	-	-	-
2026-08-09 01:00 am	-	-	-	2.6	14	5.0	SSE	-	-	79.2	81.5	-	-	-	-
2026-08-09 12:30 am	-	-	-	3.0	13	5.3	SSE	-	-	79.2	81.5	-	-	-	-
2026-08-09 12:00 am	-	-	-	3.0	14	5.4	SSE	-	-	79.5	81.5	-	-	-	-
2026-08-08 11:30 pm	-	-	-	2.6	13	5.4	SSE	-	-	79.9	81.7	-	-	-	-
2026-08-08 11:00 pm	-	-	-	2.6	14	5.6	SSE	-	-	79.9	81.7	-	-	-	-
2026-08-08 10:30 pm	-	-	-	2.6	14	5.5	SSE	-	-	79.5	81.7	-	-	-	-
2026-08-08 10:00 pm	-	-	-	2.6	14	5.6	S	-	-	80.2	81.7	-	-	-	-
2026-08-08 09:30 pm	-	-	-	2.6	14	5.6	SSE	-	-	80.1	81.7	-	-	-	-
2026-08-08 09:00 pm	-	-	-	2.6	14	6.2	SSE	-	-	80.2	81.7	-	-	-	-
2026-08-08 08:30 pm	-	-	-	2.6	14	5.3	SSE	-	-	80.1	81.7	-	-	-	-
2026-08-08 08:00 pm	-	-	-	2.6	14	5.6	SSE	-	-	80.2	81.7	-	-	-	-
2026-08-08 07:30 pm	-	-	-	2.6	14	4.9	SSE	-	-	80.4	81.7	-	-	-	-
2026-08-08 07:00 pm	-	-	-	2.6	14	5.2	SSE	-	-	81.0	81.9	-	-	-	-
2026-08-08 06:30 pm	-	-	-	2.6	14	5.2	SSE	-	-	81.5	81.9	-	-	-	-
2026-08-08 06:00 pm	-	-	-	2.6	14	5.3	SSE	-	-	81.9	81.9	-	-	-	-

Wave Summary
for 51211 as of
(6:00 pm HST on 08/09/2026)
0400 GMT on 08/10/2026:
These wave data are displayed in rounded times. Unit of Measure: Time Zone: Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
Significant Wave Height (WVHT):	2.6 ft
Swell Height (SwH):	1.6 ft
Swell Period (SwP):	12.5 sec
Swell Direction (SwD):	S
Wind Wave Height (WWH):	2.3 ft
Wind Wave Period (WWP):	9.1 sec
Wind Wave Direction (WWD):	SSE
Wave Steepness (STEEPNESS):	AVERAGE
Average Wave Period (APD):	4.8 sec

Previous observations
TIME (HST)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
2026-08-09 05:30 pm	2.6	1.6	13.3	SSE	2.3	9.1	SSE	N/A	4.9
2026-08-09 05:00 pm	2.6	1.3	13.3	SSE	2.3	9.5	S	AVERAGE	4.7
2026-08-09 04:30 pm	2.6	1.3	13.3	SSE	2.3	9.1	SSE	AVERAGE	4.5
2026-08-09 04:00 pm	2.6	1.3	16.7	S	2.3	9.5	S	AVERAGE	4.6
2026-08-09 03:30 pm	3.0	1.6	13.3	SSE	2.3	9.1	SSE	AVERAGE	4.7
2026-08-09 03:00 pm	2.6	1.3	12.5	S	2.3	9.1	S	AVERAGE	4.8
2026-08-09 02:30 pm	3.0	1.6	13.3	SSE	2.6	9.1	S	AVERAGE	5.0
2026-08-09 02:00 pm	3.0	1.6	13.3	SSE	2.3	5.6	SE	AVERAGE	5.1
2026-08-09 01:30 pm	3.0	1.6	13.3	SSE	2.3	5.6	SE	AVERAGE	5.3
2026-08-09 01:00 pm	2.6	1.3	12.5	S	2.3	5.7	SE	AVERAGE	5.0
2026-08-09 12:30 pm	2.6	1.3	13.3	S	2.3	5.3	SE	AVERAGE	5.0
2026-08-09 12:00 pm	2.6	1.6	13.3	SSE	2.3	5.0	SE	AVERAGE	5.1
2026-08-09 11:30 am	2.6	1.3	13.3	SSE	2.3	6.5	SE	AVERAGE	5.3
2026-08-09 11:00 am	2.6	1.6	13.3	SSE	2.3	5.7	SE	AVERAGE	5.6
2026-08-09 10:30 am	2.6	1.6	13.3	SSE	2.3	4.9	SE	AVERAGE	6.2
2026-08-09 10:00 am	2.6	1.6	13.3	SSE	2.3	5.1	SE	AVERAGE	5.9
2026-08-09 09:30 am	2.6	1.6	13.3	SSE	2.0	5.7	SE	AVERAGE	6.1
2026-08-09 09:00 am	2.3	1.3	13.3	SSE	2.0	6.1	SE	N/A	5.8
2026-08-09 08:30 am	2.6	1.6	13.3	SSE	2.0	5.6	SE	N/A	6.4
2026-08-09 08:00 am	2.3	1.6	13.3	SSE	2.0	5.7	SE	N/A	6.6
2026-08-09 07:30 am	2.6	1.6	13.3	SSE	2.0	5.4	SE	N/A	6.5
2026-08-09 07:00 am	2.6	1.6	13.3	SSE	2.0	5.1	SE	N/A	6.8
2026-08-09 06:30 am	2.6	1.6	13.3	SSE	2.3	6.2	SE	AVERAGE	6.2
2026-08-09 06:00 am	2.6	1.3	13.3	SSE	2.3	5.9	SE	N/A	5.8
2026-08-09 05:30 am	2.6	1.6	14.3	SSE	2.0	6.9	SE	N/A	5.9
2026-08-09 05:00 am	2.6	1.3	13.3	SSE	2.0	5.9	SE	N/A	5.5
2026-08-09 04:30 am	2.6	1.6	14.3	SSE	2.3	5.4	SE	AVERAGE	5.5
2026-08-09 04:00 am	2.6	1.3	14.3	SSE	2.3	8.7	SSE	N/A	5.0
2026-08-09 03:30 am	2.6	1.6	14.3	SSE	2.3	6.1	SE	AVERAGE	5.4
2026-08-09 03:00 am	2.6	1.3	14.3	SSE	2.3	8.7	SSE	AVERAGE	5.2
2026-08-09 02:30 am	2.6	1.3	13.3	SSE	2.3	8.7	SSE	AVERAGE	5.2
2026-08-09 02:00 am	3.0	1.6	14.3	SSE	2.3	5.4	SE	AVERAGE	5.3
2026-08-09 01:30 am	3.0	1.6	14.3	SSE	2.3	5.3	SE	AVERAGE	5.6
2026-08-09 01:00 am	2.6	1.3	14.3	SSE	2.3	5.6	SE	AVERAGE	5.0
2026-08-09 12:30 am	3.0	1.6	13.3	SSE	2.3	9.1	SSE	AVERAGE	5.3
2026-08-09 12:00 am	3.0	1.6	14.3	SSE	2.3	5.9	SE	AVERAGE	5.4
2026-08-08 11:30 pm	2.6	1.6	13.3	SSE	2.3	6.1	SE	AVERAGE	5.4
2026-08-08 11:00 pm	2.6	1.6	14.3	SSE	2.3	5.1	SE	AVERAGE	5.6
2026-08-08 10:30 pm	2.6	1.6	14.3	SSE	2.0	9.5	SSE	AVERAGE	5.5
2026-08-08 10:00 pm	2.6	1.6	14.3	S	2.0	5.6	SE	N/A	5.6
2026-08-08 09:30 pm	2.6	1.6	14.3	SSE	2.0	9.1	SSE	N/A	5.6
2026-08-08 09:00 pm	2.6	2.0	14.3	SSE	2.0	8.7	SSE	SWELL	6.2
2026-08-08 08:30 pm	2.6	1.6	14.3	SSE	2.0	5.0	SE	N/A	5.3
2026-08-08 08:00 pm	2.6	1.6	14.3	SSE	2.3	9.5	SSE	AVERAGE	5.6
2026-08-08 07:30 pm	2.6	1.6	14.3	SSE	2.0	9.1	SSE	N/A	4.9
2026-08-08 07:00 pm	2.6	1.6	14.3	SSE	2.0	6.1	SSE	N/A	5.2
2026-08-08 06:30 pm	2.6	1.6	14.3	SSE	2.0	9.5	SSE	N/A	5.2
2026-08-08 06:00 pm	2.6	1.6	14.3	SSE	2.0	8.0	S	AVERAGE	5.3

Plot of wave energy versus frequency (and period)

Disclaimer: Ocean current directions are reported to the nearest 10 degrees and speeds are measured to the nearest whole centimeter per second.

Ocean Current Data for 51211

Depth ft	Dir °	Speed kts	Dir °	Speed kts	Dir °	Speed kts	Dir °	Speed kts	Dir °	Speed kts
	6:00 pm HST		5:00 pm HST		4:30 pm HST		4:00 pm HST		3:00 pm HST
3	250	0.23	360	0.02	10	0.10	90	0.02	290	0.19

Previous (up to 48) reports of ocean current data for 51211

Ocean Current Stick Plots are available in metric units only:

All Instruments - 1-day plot - ocean current 1-day plot 3-day plot - ocean current 3-day plot 5-day plot - ocean current 5-day plot

Description of Measurements

Links which are specific to this station are listed below:

Real Time Data in tabular form for the last forty-five days.

Historical Data & Climatic Summaries for quality controlled data for prior months and years.

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