BUOY 51002 (STORMSURF)

Surf Forecasts and Marine Weather - No Hype - Just the Facts!

Hurricane Erin Provides Hope for the US East Coast! - Video Forecast HERE (8/17/25)

Create Your Own Surf Forecast

Buoy 51002 Southwest Hawaii
Longitude = 157.79W Latitude = 17.15N
FAQs

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

Measurement Date/Time (GMT)

08/21
15:00:00

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

Current Swell & Surf Analysis
Buoy 51002
15:00:00 (GMT) on 08/21
Sea Height:	4.2 ft
Primary Swell Height:	2.1 ft
Primary Swell Period:	12.8 secs
Surf Height	2.1 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)
08/21	15:00:00	4.2	2.1 se	12.8 secs	2.2 se	8.4 secs	0.4 se	16.7secs	2.1 -2.3	12.8
08/21	14:00:00	3.8	1.8 se	14.1 secs	2.1 se	7.7 secs	0.0 se	0.0secs	1.9 -2.2	14.1
08/21	13:00:00	4.4	1.8 se	14.0 secs	2.5 se	7.8 secs	0.0 se	0.0secs	1.9 -2.1	14.0
08/21	12:00:00	4.5	2.1 se	12.7 secs	2.6 se	8.4 secs	0.6 se	16.7secs	2.0 -2.3	12.7
08/21	11:00:00	4.0	1.8 se	12.8 secs	2.2 se	8.4 secs	0.0 se	0.0secs	1.8 -2.0	12.8
08/21	10:00:00	4.1	1.8 se	14.2 secs	2.1 se	8.3 secs	0.7 se	17.5secs	1.9 -2.1	14.2
08/21	09:00:00	3.9	2.0 se	12.8 secs	2.0 se	8.3 secs	0.4 se	16.7secs	1.9 -2.2	12.8
08/21	08:00:00	3.8	1.8 se	14.1 secs	2.1 se	8.4 secs	0.0 se	0.0secs	1.9 -2.1	14.1
08/21	07:00:00	3.8	1.7 se	12.5 secs	2.2 se	8.4 secs	0.4 se	16.7secs	1.6 -1.9	12.5
08/21	06:00:00	3.9	1.9 se	12.7 secs	2.2 se	8.3 secs	0.5 se	16.7secs	1.8 -2.0	12.7
08/21	05:00:00	3.7	1.6 se	12.7 secs	2.2 se	8.3 secs	0.5 se	16.7secs	1.5 -1.7	12.7
08/21	04:00:00	4.1	2.1 se	14.1 secs	1.7 se	10.1 secs	2.2 se	6.7secs	2.2 -2.5	14.1
08/21	03:00:00	4.0	1.8 se	12.6 secs	2.4 se	8.3 secs	0.0 se	0.0secs	1.7 -1.9	12.6
08/21	02:00:00	4.3	2.6 se	8.3 secs	1.3 se	14.1 secs	0.0 se	0.0secs	1.6 -1.8	8.3
08/21	01:00:00	4.6	2.0 se	12.7 secs	2.6 se	8.4 secs	0.5 se	16.7secs	1.9 -2.2	12.7
08/21	00:00:00	4.4	2.6 se	8.2 secs	1.4 se	13.7 secs	0.0 se	0.0secs	1.6 -1.8	8.2
08/20	23:00:00	4.4	1.7 se	14.0 secs	2.9 se	7.7 secs	0.0 se	0.0secs	1.8 -2.0	14.0
08/20	22:00:00	4.9	2.8 se	8.3 secs	1.8 se	12.6 secs	0.5 se	16.7secs	1.7 -2.0	8.3
08/20	21:00:00	4.7	1.9 se	14.3 secs	3.0 se	8.3 secs	0.0 se	0.0secs	2.1 -2.4	14.3
08/20	20:00:00	4.6	1.9 se	14.1 secs	3.1 se	7.7 secs	0.0 se	0.0secs	2.0 -2.2	14.1
08/20	19:00:00	4.8	3.4 se	8.3 secs	1.3 se	14.2 secs	0.0 se	0.0secs	2.1 -2.4	8.3
08/20	18:00:00	4.4	1.7 se	13.9 secs	2.6 se	8.4 secs	0.0 se	0.0secs	1.7 -2.0	13.9
08/20	17:00:00	4.2	2.8 se	8.3 secs	1.7 se	12.7 secs	0.4 se	16.7secs	1.7 -2.0	8.3
08/20	16:00:00	4.2	1.6 se	14.1 secs	2.5 se	8.4 secs	0.0 se	0.0secs	1.7 -1.9	14.1

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 51002
15:00:00 (GMT) on 08/21
Combined Sea Height:	6.6 ft
Dominant Period:	0.0 secs
Wind Speed:	15.6 kts
Wind Gust:	19.5 kts
Wind Direction:	080 degrees
Barometric Pressure:	1014.7 mbs
Air Temperature:	78.3 degrees
Water Temperature:	79.2 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)
08/21	15:00:00	6.6	0.0	15.6	19.5	080	1014.7	78.3	79.2
08/21	14:00:00	6.6	7.0	15.6	17.6	090	1014.3	78.1	79.3
08/21	13:00:00	6.9	7.0	17.6	19.5	090	1014.3	78.1	79.3
08/21	12:00:00	6.6	6.0	15.6	19.5	090	1014.3	77.9	79.3
08/21	11:00:00	6.6	8.0	17.6	21.4	090	1014.8	78.1	79.3
08/21	10:00:00	6.2	8.0	17.6	21.4	080	1015.2	78.4	79.3
08/21	09:00:00	6.2	8.0	19.5	21.4	080	1015.8	78.3	79.3
08/21	08:00:00	5.9	0.0	17.6	21.4	080	1016.3	78.6	79.3
08/21	07:00:00	5.9	8.0	17.6	21.4	080	1016.2	78.6	79.3
08/21	06:00:00	6.2	0.0	17.6	21.4	080	1015.5	78.4	79.3
08/21	05:00:00	0.0	0.0	19.5	21.4	080	1014.9	78.6	79.3
08/21	04:00:00	6.2	8.0	17.6	21.4	080	1014.2	78.6	79.3
08/21	03:00:00	6.2	0.0	17.6	21.4	080	1013.7	78.6	79.5
08/21	02:00:00	6.6	7.0	17.6	19.5	070	1013.7	78.6	79.5
08/21	01:00:00	6.6	8.0	15.6	19.5	070	1013.7	78.6	79.5
08/21	00:00:00	7.2	8.0	17.6	21.4	070	1013.9	78.6	79.5
08/20	23:00:00	0.0	0.0	17.6	21.4	080	1014.4	78.6	79.3
08/20	22:00:00	6.9	8.0	17.6	19.5	080	1015.0	78.8	79.3
08/20	21:00:00	6.9	7.0	17.6	21.4	080	1015.5	78.8	79.3
08/20	20:00:00	6.9	8.0	17.6	21.4	080	1015.8	78.8	79.3
08/20	19:00:00	6.9	8.0	17.6	19.5	080	1016.0	78.6	79.3
08/20	18:00:00	6.9	9.0	17.6	21.4	080	1016.0	78.1	79.2
08/20	17:00:00	0.0	0.0	19.5	23.4	090	1015.8	77.7	79.2
08/20	16:00:00	6.9	8.0	19.5	23.4	080	1015.1	78.4	79.2

000039797 ___0.025906

Contact | About | Disclaimer | Privacy
Advertise/Content | Links