Keaulanas Surf Forecast

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

USA (1297 breaks) / Lat Long: (21.38° N 158.15° W)

Surf Forecasts:

Keaulanas surfForecast / HAW – Oahu / USA

48hr Weather and Surf, issued 1 pm Tuesday 16 Sep 2025 HST

Forecast update in hr min s Forecast update imminent

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

Today's Keaulanas sea temperature is 27.1° C
(Which is normal for this time of year)

How big are the waves at Keaulanas today?

The current surf forecast for Keaulanas at 2PM is: 0.4m 17s primary swell from a Southwest direction and 0.5m 8s secondary swell from a North direction, 0.4m 12s secondary swell from a South-southwest direction (forecast issued at 01:00pm September 16). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (16 Sep)	1.5ft (0.5m)	12s
Afternoon (16 Sep)	1.5ft (0.4m)	17s
Evening (16 Sep)	1.5ft (0.4m)	16s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 16					Wednesday 17								Thursday 18								Friday 19
	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	5 AM	8 AM
Rating (10 max)	1	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSW	SW	SW	SW	SW	SW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	N	SSW	SSW	SSW	SSW	SSW
Period(s) (?)	12	17	17	16	16	16	16	16	15	15	15	15	15	15	14	14	14	14	8	14	14	13	13	13
Wave Graph (?)
kJ (?)	58	76	72	69	67	66	65	64	93	88	87	86	86	85	138	133	111	78	78	77	123	120	116	99
Wind (km/h)	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	E	E	E	ENE	E	ENE	E	E	E	E	ENE	ENE	ENE	ENE	NE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	cross- off	off	cross- off	cross- off	off	off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	off	off
High Tide / height (m)		12:40PM 0.66				1:08AM 0.26				1:25PM 0.67				1:49AM 0.32					2:03PM 0.65				2:26AM 0.38
Low Tide / height (m)					8:20PM 0.14			5:59AM 0.13					8:38PM 0.12			7:01AM 0.12					8:56PM 0.11			7:53AM 0.12

	Tuesday 16					Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:20
Sunset	-	-	6:34	-	-	-	-	-	-	-	6:32	-	-	-	-	-	-	-	6:31	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	27	28	27	25	25	25	25	25	26	28	27	26	25	25	25	25	27	27	27	26	26	25	25	26
Feels °C (?)	25	25	25	24	24	25	25	25	25	26	25	26	25	24	24	24	25	25	26	25	27	26	27	26

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 Offshore wind has become cross-off at Waikiki (light winds from the ENE at Saint Louis Heights wx 3 km from Waikiki). 0.5m 11s groundswell from the S with a 0.3m 10s swell, also from the S and a 0.2m 12s groundswell, also from the S. 3 swells combining to make bigger set waves.
33 minutes ago Waikiki

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2 h 15 min ago

15 km/h

ENE

Offshore

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