BUOY 071 (STORMSURF)

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

3 Weeks Until The Spring Unpredictability Barrier Ends! - Video Forecast HERE (5/11/25)

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Buoy 071 Harvest
Longitude = 120.789W Latitude = 34.458N
FAQs

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

Measurement Date/Time (GMT)

05/17
17:21:00

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

Current Swell & Surf Analysis
Buoy 071
17:21:00 (GMT) on 05/17
Sea Height:	6.0 ft
Primary Swell Height:	3.1 ft
Primary Swell Period:	9.3 secs
Primary Swell Direction:	308 degrees
Surf Height:	2.3-2.9 ft

24 Hour Observation

Date
(Month - Day)

Time
(GMT)

Combined Sea Height
[>5 secs]
(ft)

Primary Swell

Secondary Swell

Tertiary Swell

Estimated Surf Height (ft)

Primary Swell Period
(secs)

Height
(ft)

Period
(secs)

Diection
(deg)

Height
(ft)

Period
(secs)

Direction
(deg)

Height
(ft)

Period
(secs)

Direction
(deg)

05/17	17:21:00	6.0	3.1	9.3	308	1.6	16.0	185	0.7	20.8	215	2.3 -2.9	9.3
05/17	16:21:00	6.5	4.2	8.4	312	1.8	16.0	194	2.1	11.4	272	2.8 -3.5	8.4
05/17	15:21:00	6.6	3.9	9.2	310	1.9	15.2	196	1.3	18.8	201	2.9 -3.6	9.2
05/17	14:21:00	6.1	3.6	9.2	314	1.8	16.0	188	2.0	12.2	248	2.6 -3.3	9.2
05/17	13:21:00	5.9	3.6	9.3	316	1.8	15.8	194	2.2	12.3	259	2.7 -3.3	9.3
05/17	12:21:00	6.7	4.1	8.4	311	2.0	14.8	198	2.4	11.4	271	2.8 -3.5	8.4
05/17	11:21:00	6.6	4.4	9.2	312	1.7	15.2	197	1.3	18.8	198	3.2 -4.1	9.2
05/17	10:21:00	6.9	3.8	9.3	311	1.7	16.0	193	1.7	12.7	242	2.8 -3.5	9.3
05/17	09:21:00	7.0	4.5	9.2	310	1.6	15.2	192	1.1	18.7	196	3.3 -4.1	9.2
05/17	08:21:00	7.2	4.0	9.3	310	2.0	16.2	187	1.9	13.0	247	2.9 -3.7	9.3
05/17	07:21:00	7.7	5.0	9.2	309	1.8	15.2	195	1.3	18.9	206	3.7 -4.7	9.2
05/17	06:21:00	7.8	4.8	9.3	310	2.2	15.1	206	1.5	18.9	216	3.5 -4.4	9.3
05/17	05:22:00	7.7	4.5	9.3	311	2.1	12.5	254	1.5	16.3	205	3.3 -4.2	9.3
05/17	04:22:00	7.9	4.8	10.0	308	1.7	13.7	232	1.2	17.0	217	3.9 -4.8	10.0
05/17	03:22:00	7.4	4.5	9.3	306	2.1	12.9	250	1.4	16.7	207	3.4 -4.2	9.3
05/17	02:22:00	7.1	4.4	10.1	305	1.7	16.1	216	3.0	6.7	304	3.5 -4.4	10.1
05/17	01:21:00	7.3	4.9	9.3	308	2.3	12.7	258	1.6	16.0	192	3.7 -4.6	9.3
05/17	00:21:00	7.2	4.9	9.3	308	2.6	12.8	250	1.8	15.8	194	3.7 -4.6	9.3
05/16	23:21:00	7.3	5.0	9.3	312	2.3	12.8	255	1.6	15.8	206	3.7 -4.6	9.3
05/16	22:21:00	7.0	5.1	9.2	314	2.4	12.8	263	1.4	16.7	191	3.8 -4.7	9.2
05/16	21:21:00	7.1	4.5	10.1	310	2.2	13.5	245	1.3	16.8	203	3.7 -4.6	10.1
05/16	20:21:00	6.9	4.6	9.3	314	1.8	16.0	201	2.1	12.8	257	3.5 -4.3	9.3
05/16	19:21:00	7.4	4.8	10.1	312	1.8	14.7	225	2.9	6.7	306	3.9 -4.9	10.1
05/16	18:21:00	7.6	4.6	10.2	312	2.0	13.5	257	1.3	17.0	206	3.7 -4.6	10.2

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
CDIP Period Scale (secs)
6.3 6.7 7.1 7.7 8.3 9.1 10 10.5 11.1 11.8 12.5 13.3 14.3 15.4 16.7 18.2 20 22.2 25 28.6 33.3 40

000208701 ___0.041498

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