Daves Backyard Surf Forecast

/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /

USA (1297 breaks)

Surf Forecasts:

Daves Backyard surfForecast / HAW – Oahu / USA

48hr Weather and Surf, issued 7 am Monday 15 Sep 2025 HST

Forecast update in hr min s Forecast update imminent

Daves Backyard surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Daves Backyard sea temperature is 27.2° C
(Which is normal for this time of year)

How big are the waves at Daves Backyard today?

The current surf forecast for Daves Backyard at 12PM is: 0.5m 13s primary swell from a South-southwest direction and 0.4m 11s secondary swell from a South-southeast direction, 0.9m 7s secondary swell from a East direction (forecast issued at 07:00am September 15). The wind direction is predicted to be cross-shore.

Time (HST) & Date	Wave Height	Wave Period
Morning (15 Sep)	1.5ft (0.5m)	13s
Afternoon (15 Sep)	1.5ft (0.4m)	13s
Evening (15 Sep)	3ft (0.9m)	8s

Table - waves today at Daves Backyard. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Monday 15							Tuesday 16								Wednesday 17								Thu 18
	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM
Rating (10 max)	1	0	0	0	0	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSW	SSW	E	SSW	SSW	E	SSW	SSW	SSW	SSW	SW	SW	SW	E	E	E	E	E	E	E	E	E	E	E
Period(s) (?)	13	13	7	13	13	8	13	13	12	12	18	17	17	6	6	6	6	6	6	6	6	6	6	7
Wave Graph (?)
Energy (?)	244	218	240	179	204	261	207	216	175	198	230	224	227	241	228	301	274	248	280	288	279	275	261	309
Wind (km/h)	NE	ENE	ENE	ENE	ENE	ENE	NE	NE	NE	ENE	ENE	E	ENE	ENE	ENE	ENE	ENE	ENE	E	ENE	ENE	ENE	ENE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	cross	cross	cross	cross	cross- off	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross
High Tide / height (m)				11:39AM 0.67				12:01AM 0.24				12:39PM 0.69				1:04AM 0.29				1:25PM 0.70				1:47AM 0.36
Low Tide / height (m)	2:55AM 0.14					7:54PM 0.18			4:42AM 0.15						8:13PM 0.15			6:04AM 0.14					8:33PM 0.13

	Monday 15							Tuesday 16								Wednesday 17								Thu 18
Sunrise	-	6:18	-	-	-	-	-	-	-	6:18	-	-	-	-	-	-	-	6:18	-	-	-	-	-	-
Sunset	-	-	-	-	6:35	-	-	-	-	-	-	-	6:34	-	-	-	-	-	-	-	6:32	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	25	25	27	27	27	25	25	24	24	25	26	27	27	25	25	25	25	25	26	27	26	25	25	25
Feels °C (?)	25	25	24	24	25	23	24	24	24	24	23	24	25	24	23	23	23	23	23	24	23	23	23	23

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for HAW - Oahu

Wind Update Cross-shore wind at Daves Backyard have swung cross-off (light winds from the NE.(Wind varies from 010 to 080 degs) at Kalaeloa Airport 5 km from Daves Backyard). 0.8m 4s local chop from the E with a 0.6m 10s swell from the SSE and a 0.3m 14s groundswell from the SSW as well as a 0.3m 16s long period groundswell from the S. 4 swells combining to make bigger set waves.
1 hour 58 minutes ago Daves Backyard

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1 h 58 min ago

13 km/h

Cross-Off

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