BUOY 51004 (STORMSURF)

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This Was Not Expected - And Not in a Good Way (PDO related)! - Video HERE (8/30/26)

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Buoy 51004 Southeast Hawaii
Longitude = 152.52W Latitude = 17.44N
FAQs

Frequency Analysis - Current Hour
(Swell height in each period/frequency band)

Measurement Date/Time (GMT)

08/31
23:00:00

Historical Surf Height...Time Lapse Spectral Density... Primary Swell Profile

Current Swell & Surf Analysis
Buoy 51004
23:00:00 (GMT) on 08/31
Sea Height:	4.7 ft
Primary Swell Height:	3 ft
Primary Swell Period:	9 secs
Surf Height	2 ft

24 Hour Observation

Date (Month/Day)	Time (GMT)	Sea Height [>5 secs] (ft)	Primary Swell		Secondary Swell		Tertiary Swell		Estimated Surf Height (ft)	Primary Period (secs)
Date (Month/Day)	Time (GMT)	Sea Height [>5 secs] (ft)	Height (ft)	Period (secs)	Height (ft)	Period (secs)	Height (ft)	Period (secs)	Estimated Surf Height (ft)	Primary Period (secs)
08/31	23:00:00	4.7	3.0 se	9.0 secs	1.4 se	15.9 secs	1.6 se	12.8secs	2.0 -2.3	9.0
08/31	22:00:00	5.3	3.8 se	8.3 secs	1.6 se	12.5 secs	0.6 se	16.7secs	2.3 -2.7	8.3
08/31	21:00:00	5.1	3.6 se	9.0 secs	1.6 se	12.5 secs	1.9 se	5.9secs	2.4 -2.7	9.0
08/31	20:00:00	5.6	4.1 se	8.3 secs	1.8 se	12.1 secs	0.7 se	15.3secs	2.6 -2.9	8.3
08/31	19:00:00	5.4	4.0 se	9.1 secs	1.4 se	14.5 secs	0.8 se	17.5secs	2.7 -3.1	9.1
08/31	18:00:00	5.2	3.7 se	8.3 secs	1.8 se	12.5 secs	0.6 se	16.7secs	2.3 -2.6	8.3
08/31	17:00:00	4.7	3.4 se	8.4 secs	1.3 se	14.5 secs	0.0 se	0.0secs	2.1 -2.4	8.4
08/31	16:00:00	4.6	3.0 se	8.3 secs	1.6 se	12.4 secs	0.6 se	16.7secs	1.9 -2.2	8.3
08/31	15:00:00	4.6	2.9 se	7.7 secs	1.8 se	12.5 secs	0.8 se	16.7secs	1.7 -1.9	7.7
08/31	14:00:00	4.6	2.5 se	10.1 secs	1.4 se	14.1 secs	2.5 se	6.7secs	1.9 -2.2	10.1
08/31	13:00:00	4.3	1.5 se	14.4 secs	2.3 se	9.1 secs	1.9 se	5.9secs	1.6 -1.8	14.4
08/31	12:00:00	4.3	2.0 se	11.1 secs	1.3 se	14.4 secs	2.3 se	7.7secs	1.7 -1.9	11.1
08/31	11:00:00	4.2	2.0 se	11.1 secs	2.4 se	7.6 secs	0.8 se	15.1secs	1.7 -1.9	11.1
08/31	10:00:00	4.3	1.4 se	14.5 secs	1.9 se	10.0 secs	2.5 se	6.7secs	1.5 -1.7	14.5
08/31	09:00:00	4.1	1.7 se	12.4 secs	1.9 se	9.2 secs	2.0 se	5.9secs	1.6 -1.8	12.4
08/31	08:00:00	4.2	2.3 se	11.1 secs	2.3 se	7.7 secs	0.7 se	15.6secs	1.9 -2.1	11.1
08/31	07:00:00	3.8	1.9 se	12.3 secs	1.8 se	9.1 secs	0.7 se	15.8secs	1.7 -1.9	12.3
08/31	06:00:00	3.8	1.9 se	11.1 secs	2.1 se	7.7 secs	0.7 se	15.3secs	1.6 -1.8	11.1
08/31	05:00:00	4.1	1.9 se	12.1 secs	2.3 se	7.7 secs	0.7 se	15.5secs	1.7 -2.0	12.1
08/31	04:00:00	4.1	2.1 se	11.2 secs	1.6 se	14.2 secs	2.2 se	7.8secs	1.8 -2.0	11.2
08/31	03:00:00	4.2	2.3 se	12.2 secs	2.1 se	9.1 secs	1.1 se	15.9secs	2.1 -2.4	12.2
08/31	02:00:00	4.0	2.2 se	12.3 secs	2.0 se	9.2 secs	1.5 se	5.9secs	2.0 -2.3	12.3
08/31	01:00:00	4.0	1.9 se	12.4 secs	2.3 se	7.2 secs	0.6 se	16.7secs	1.8 -2.0	12.4
08/31	00:00:00	4.1	2.4 se	12.2 secs	1.9 se	9.2 secs	0.9 se	15.7secs	2.2 -2.5	12.2

Surf Height Scale
Size Scale (ft)
>1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-10 10-11 11-12 12-13 13-14 14-15 15-20 20-25 25-30 30-35 35-40 40-45 45+

Swell Period Scal
Period Scale (secs)
6.3 6.7 7.1 7.7 8.3 9.1 10 11.1 12.5 14.3 16.7 20 25 33.3

Current Weather Conditions
Buoy 51004
23:50:00 (GMT) on 08/31
Combined Sea Height:	7.9 ft
Dominant Period:	9.0 secs
Wind Speed:	19.5 kts
Wind Gust:	23.4 kts
Wind Direction:	040 degrees
Barometric Pressure:	1010.6 mbs
Air Temperature:	80.6 degrees
Water Temperature:	81.5 degrees

24 Hour Weather Observation

Date (Month/Day)	Time (GMT)	Combined Sea Height (ft)	Dominant Period (secs)	Wind Speed (kts)	Gust (kts)	Wind Direction (degrees)	Barometric Pressure (mbs)	Air Temperature (F)	Water Temperature (F)
08/31	23:50:00	7.9	9.0	19.5	23.4	040	1010.6	80.6	81.5
08/31	22:50:00	7.9	8.0	15.6	23.4	040	1011.2	79.7	81.5
08/31	21:50:00	7.5	8.0	17.6	21.4	040	1012.0	79.5	81.5
08/31	20:50:00	8.2	8.0	17.6	21.4	060	1012.4	78.3	81.5
08/31	19:50:00	7.9	9.0	15.6	19.5	030	1012.6	79.7	81.5
08/31	18:50:00	8.2	0.0	17.6	21.4	050	1013.3	80.2	81.5
08/31	17:50:00	7.9	8.0	17.6	19.5	050	1012.5	80.4	81.5
08/31	16:50:00	7.2	7.0	15.6	17.6	040	1012.5	79.3	81.5
08/31	15:50:00	6.9	8.0	11.7	17.6	050	1012.0	78.6	81.5
08/31	14:50:00	6.9	8.0	19.5	23.4	060	1011.9	78.4	81.5
08/31	13:50:00	6.6	7.0	11.7	17.6	030	1011.7	77.5	81.5
08/31	12:50:00	6.6	0.0	19.5	23.4	050	1012.3	79.3	81.5
08/31	11:50:00	6.2	8.0	15.6	19.5	030	1012.3	79.9	81.5
08/31	10:50:00	6.6	9.0	17.6	21.4	040	1013.2	79.9	81.5
08/31	09:50:00	6.9	7.0	17.6	23.4	050	1013.9	80.4	81.5
08/31	08:50:00	6.9	7.0	17.6	21.4	050	1014.4	80.6	81.5
08/31	07:50:00	6.9	7.0	19.5	21.4	040	1014.6	80.8	81.5
08/31	06:50:00	6.6	0.0	19.5	23.4	050	1014.7	80.2	81.5
08/31	05:50:00	6.2	11.0	13.7	15.6	030	1013.8	78.6	81.7
08/31	04:50:00	6.6	10.0	17.6	21.4	040	1013.0	79.7	81.7
08/31	03:50:00	5.9	7.0	15.6	19.5	040	1012.4	80.6	81.7
08/31	02:50:00	5.9	7.0	15.6	17.6	050	1012.2	80.6	81.7
08/31	01:50:00	5.9	8.0	15.6	17.6	050	1012.1	80.6	81.9
08/31	00:50:00	6.2	10.0	13.7	17.6	040	1012.7	80.8	81.9

000031693 ___0.027724

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