Shark Bay Rivermouth (and Reef) Surf Forecast

/ Efate (31 surf breaks) /

Vanuatu (31 surf breaks)

Surf Forecasts

Shark Bay Rivermouth (and Reef) surfForecast / Efate / Vanuatu

12 Day Weather and Surf, issued 4 pm Friday 15 Aug 2025 +11

Forecast update in hr min s Forecast update imminent

Shark Bay Rivermouth (and Reef) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Shark Bay Rivermouth (and Reef) sea temperature is 26.5° C
(Which is 1.6°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Shark Bay Rivermouth (and Reef) this week:

The surf forecast for Shark Bay Rivermouth (and Reef) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 17) at 2AM. The primary swell is predicted to be 0.6m and 8s period with a secondary swell of 0.6m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Shark Bay Rivermouth (and Reef) in the next 12 days are 2.5m 8s and forecast to arrive on Thursday (Aug 21) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Tuesday (Aug 19) at 8AM.

Wave Type	Time (+11) & Date	Wave Height & Period
Next good surf (1 star+)	2AM (Sun 17th Aug)	2ft (0.6m) 8s
Best Surf	2AM (Sun 17th Aug)	2ft (0.6m) 8s
Most Powerful	5PM (Thu 21st Aug)	8ft (2.5m) 8s

Table - best surf conditions forecast for Shark Bay Rivermouth (and Reef) over the next 12 days.

Hourly 12 Days

Efate Surf

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Updates in hr min s Forecast update imminent

	Short Range Forecast Some drizzle, heaviest during Fri afternoon. Warm (max 25°C on Sun morning, min 21°C on Fri afternoon). Mainly fresh winds.											Days 3-6 Weather Summary Some drizzle, heaviest during Wed night. Warm (max 26°C on Mon afternoon, min 24°C on Mon night). Winds increasing (light winds from the E on Mon afternoon, strong winds from the ESE by Thu morning).
	Fri 15		Saturday 16			Sunday 17			Monday 18			Tuesday 19			Wednesday 20			Thursday 21
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	0	1	0	0	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	ESE	SE	SSE	E	SE	SE	SE	ESE	ESE	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	E
Period(s) (?)	6	7	9	9	8	10	10	10	9	9	6	6	7	7	7	7	8	8	8	8	8
Wave Graph (?)
Energy (?)	326	217	89	72	121	147	73	99	63	60	169	174	179	243	364	581	769	944	1061	987	843
Wind (km/h)	ESE	SSE	S	SSE	E	ENE	E	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	SE	ESE	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- on	on	cross- on	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross	cross	cross	cross	cross	cross	cross	cross- off
High Tide / height (m)		10:08PM 1.20	11:25AM 0.92		11:06PM 1.17	1:00PM 0.92		12:13AM 1.16		2:22PM 0.96	1:22AM 1.17		3:24PM 1.02	2:25AM 1.19		4:13PM 1.07	3:20AM 1.23		4:55PM 1.12	4:08AM 1.25
Low Tide / height (m)			5:01AM 0.33	4:39PM 0.57		6:16AM 0.28	5:57PM 0.64		7:29AM 0.22	7:21PM 0.65		8:32AM 0.16		8:32PM 0.63	9:26AM 0.10		9:30PM 0.58	10:13AM 0.06		10:18PM 0.53	10:54AM 0.05

	Fri 15		Saturday 16			Sunday 17			Monday 18			Tuesday 19			Wednesday 20			Thursday 21
Sunrise	-	-	6:05	-	-	6:05	-	-	6:03	-	-	6:03	-	-	6:03	-	-	6:01	-	-	6:01
Sunset	5:36	-	-	5:36	-	-	5:36	-	-	5:36	-	-	5:37	-	-	5:37	-	-	5:37	-	-

Rain (mm)	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-	-	-	-
Temp. °C	21	22	24	24	23	25	25	24	25	26	24	26	26	24	24	25	24	24	24	24	25
Feels °C (?)	18	22	24	24	24	26	26	25	26	27	25	26	26	23	21	22	20	19	20	20	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 Efate

Wind Update Continuing clean conditions at Shark Bay Rivermouth (and Reef) (light winds from the SSW at Bauerfield Airport - Efate Island 13 km from Shark Bay Rivermouth (and Reef)). 1.5m 7s swell from the SE with a 0.9m 9s swell from the SSE and a 0.4m 7s swell from the W. 3 swells combining to make bigger set waves.
1 hour 36 minutes ago Shark Bay Rivermouth (and Reef)

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1 h 36 min ago

6 km/h

SSW

Clean

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Shark Bay Rivermouth (and Reef) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Information about the Shark Bay Rivermouth (and Reef) Surf forecast

The above surf forecast table for Shark Bay Rivermouth (and Reef) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Shark Bay Rivermouth (and Reef) can be found by selecting the local surf guide option on the grey menu. Our Shark Bay Rivermouth (and Reef) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Shark Bay Rivermouth (and Reef)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Shark Bay Rivermouth (and Reef) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Efate? If you are looking for accommodation near Shark Bay Rivermouth (and Reef), camping, hotels and holiday cottages in Efate, consider staying in Port Vila which is 9 km (6 miles) away.