Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Lat Long: 8.56° S 172.46° W

Issued: 6 am 20 Jul 2026 (local time)

Forecast update in hr min

Today's Utua Mamao (Atafu) sea temperature is

29.3° C

Utua Mamao (Atafu) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Utua Mamao (Atafu) today (20 Jul):

Morning surf: Morning surf (20 Jul, local time) - 8ft (2.5m), 8s period with SE swell.
Afternoon surf: Afternoon surf (20 Jul, local time) - 8ft (2.5m), 8s period with SE swell.
Evening surf: Evening surf (20 Jul, local time) - 8ft (2.5m), 8s period with SE swell.

The current surf forecast for Utua Mamao (Atafu) at 9AM is: 2.5m 8s primary swell from a Southeast direction and 1.0m 14s secondary swell from a South-southeast direction, 0.6m 17s secondary swell from a South-southwest direction (forecast issued at 06:00am July 20). The wind direction is predicted to be cross-onshore.

Time (+13) & Date	Wave Height	Wave Period
Morning (20 Jul)	8ft (2.5m)	8s
Afternoon (20 Jul)	8ft (2.5m)	8s
Evening (20 Jul)	8ft (2.5m)	8s

Table - waves today at Utua Mamao (Atafu). (Swell directed towards the surf break)

	Short Range Forecast Heavy rain (total 65mm), heaviest during Wed night. Warm (max 27°C on Mon morning, min 24°C on Wed night). Winds decreasing (strong winds from the SE on Mon morning, calm by Wed night).
	Monday 20							Tuesday 21								Wednesday 22
	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM
Rating (10 max)	0	0	0	0	0	0	0	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 Period (s)	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	ESE 8	SE 8	ESE 8	SSW 20	SSE 13	SSE 13	SSW 18	SSE 12	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	ESE 8	ESE 8
Wave Graph
kJ	899	1002	1058	1002	1058	976	885	751	715	647	601	561	710	734	616	477	528	427	518	499	397	335	314
Wind (km/h)	SE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	on	on	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	cross-on	on
High Tide				10:23AM1.08m				10:59PM1.05m				11:21AM0.98m				00:02AM1.00m				12:29PM0.90m
Low Tide		4:09AM0.32m				4:37PM0.33m				5:09AM0.41m				5:31PM0.40m				6:20AM0.46m				6:35PM0.45m


	6:45	—	—	—	—	—	—	—	6:45	—	—	—	—	—	—	—	6:45	—	—	—	—	—	—
	—	—	—	—	6:25	—	—	—	—	—	—	—	6:25	—	—	—	—	—	—	—	6:27	—	—
mm	—	1	2	2	1	—	1	1	2	6	3	3	1	2	4	3	2	1	1	1	—	2	6
Temp °C	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27
Feels °C	24	24	24	24	24	25	25	25	26	26	26	26	27	27	27	27	27	27	27	28	28	28	28
Swell 1 Height (m) Direction Period (s)	SSE 14	SSE 14	SSE 14	SSE 14	SSE 14	SSE 14	SSE 13	SSE 13	SSE 13	SSE 13	SSE 13	SSE 13	SSE 13	SSE 13	SSE 12	SSE 12	SSE 12	SSE 12	SSW 16	SSW 16	SSW 16	SSW 16	ESE 8
kJ	472	389	389	384	303	286	253	277	277	331	384	361	710	734	503	477	387	206	518	499	397	318	311
Swell 2 Height (m) Direction Period (s)	SW 16	SSW 16	SSW 17	SSW 17	SSW 17	SSW 16	SSW 16	SW 16	SW 16	SSW 16	SSW 20	SSW 20	SSW 19	SSW 19	SSW 18	SSW 18	SSW 17	SSW 16	SSE 12	SSE 8	SSE 12	SSE 12	SSW 16
kJ	119	160	202	267	252	237	334	261	255	212	478	561	470	501	616	276	528	427	127	92	125	123	314
Swell 3 Height (m) Direction Period (s)	NE 8	NE 8	NE 8	NE 8	NE 8	SSW 26	SSW 26	SSW 24	SSW 23	SSW 22	SW 15	SW 15	SSW 14	SSW 14	SSW 14	SSW 15	S 19	S 19	S 11	SSE 12	S 18	S 18	SSE 12
kJ	11	11	11	11	11	131	127	322	404	380	239	226	138	186	138	196	265	256	22	125	162	222	121
Wind waves Height (m) Direction Period (s)	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	ESE 8	SE 8	ESE 8	ESE 8	E 8	E 8	E 8	E 8	ESE 8	ESE 8	ESE 8	E 8	ESE 8	ESE 8	—
kJ	899	1002	1058	1002	1058	976	885	751	715	647	601	559	383	326	295	333	350	383	423	286	392	335	—
Nearest Offshore or Glassy	Corners Tongatapu	Corners Tongatapu	Momi Bay Viti Levu	Corners Tongatapu	Corners Tongatapu	Corners Tongatapu	Beachouse Kadavu Passage	Beachouse Kadavu Passage	Waidroka Kadavu Passage	Serua Rights Kadavu Passage	Pipes Kadavu Passage	Good from afar (Foelifuka) Vava'u	Good from afar (Foelifuka) Vava'u	Good from afar (Foelifuka) Vava'u	Aganoa Beach Savaii	Aganoa Beach Savaii	Aganoa Beach Savaii	Aganoa Beach Savaii	Aganoa Beach Savaii	The Leap Savaii	The Leap Savaii	The Leap Savaii	The Leap Savaii
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	4	4	3	4
Distance (km)	1426	1426	1521	1426	1426	1426	1507	1507	1499	1497	1501	1144	1144	1144	580	580	580	580	580	565	565	565	565
Best forecast wave conditions in Tokelau
Rating (10 max)
Best forecast wave conditions in Tokelau
Rating (10 max)
Header Global	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Ning Nong Point and Reef New Zealand	Ning Nong Point and Reef New Zealand	Ning Nong Point and Reef New Zealand	Last Chance New Zealand	Seconds (White Rock) New Zealand	Diners Beach New Zealand	Asu Indonesia	Papatowai New Zealand	Asu Indonesia	Aganoa Beach Samoa	Aganoa Beach Samoa	Bruces Beauties South Africa	Van Stadens Mouth South Africa	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Injidup Carpark Australia
Rating (10 max)	7	7	6	5	5	7	6	5	5	5	5	4	5	4	4	4	4	5	5	5	7	6	5

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

Latest Updates

Ben Mondy

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Utua Mamao (Atafu) 48 hour detailed Surf Forecast

How big are the waves at Utua Mamao (Atafu) today (20 Jul):

Short Range Forecast

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