Mahomets Back Beach Surf Forecast

/ WA – North West (27 breaks) / Western Australia (159 breaks) /

Australia (828 breaks) / Lat Long: (28.80° S 114.61° E)

Surf Forecasts:

Mahomets Back Beach surfForecast / WA – North West / Australia

12 Day Weather and Surf, issued 1 am Wednesday 17 Sep 2025 AWST

Forecast update in hr min s Forecast update imminent

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

Today's Mahomets Back Beach sea temperature is 18.7° C
(Which is 1.1°C colder than average for this time of year)

Best Forecast Surf Conditions for Mahomets Back Beach this week:

The surf forecast for Mahomets Back Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 23) at 11AM. The primary swell is predicted to be 1.7m and 17s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mahomets Back Beach in the next 12 days are 3.0m 15s and forecast to arrive on Friday (Sep 19) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Monday (Sep 22) at 2AM.

Wave Type	Time (AWST) & Date	Wave Height & Period
Next good surf (1 star+)	11AM (Tue 23rd Sep)	5.5ft (1.7m) 17s
Best Surf	11AM (Tue 23rd Sep)	5.5ft (1.7m) 17s
Most Powerful	5PM (Fri 19th Sep)	10ft (3.0m) 15s

Table - best surf conditions forecast for Mahomets Back Beach over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Some drizzle, heaviest during Wed night. Very mild (max 18°C on Wed afternoon, min 12°C on Thu night). Winds increasing (light winds from the W on Wed morning, fresh winds from the SSE by Fri night).									Days 3-6 Weather Summary Mostly dry. Warm (max 30°C on Mon afternoon, min 14°C on Sat morning). Mainly fresh winds.
	Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	0	0	0	0	0	2	2	0	2	2	0	1	2	0	2	2	3	2	4	3	3
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Period(s) (?)	12	11	11	12	15	15	15	15	15	14	14	14	13	13	16	20	19	18	17	16	16
Wave Graph (?)
kJ (?)	614	600	773	939	2038	2821	2482	3660	2614	1804	1115	733	854	841	875	1235	1770	2581	1697	1271	1486
Wind (km/h)	W	W	S	S	S	SE	SE	S	SE	SE	S	SE	SE	SSE	ESE	E	ESE	ENE	NE	ESE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross- on	cross	cross	cross- on	cross	cross- off	cross- on	cross- off	cross- off	cross- off	cross- off	off	cross- off	cross- off
High Tide / height (m)				7:35AM 0.74		12:55AM 0.49	8:30AM 0.72		9:58PM 0.50	9:14AM 0.69		10:01PM 0.55	9:52AM 0.65		10:13PM 0.61	10:27AM 0.59		10:30PM 0.66	11:00AM 0.53		10:51PM 0.70
Low Tide / height (m)		2:57PM 0.18			3:19PM 0.22	1:26AM 0.48		3:35PM 0.27	2:37AM 0.42		3:48PM 0.31	3:25AM 0.37		3:57PM 0.34	4:08AM 0.33		4:03PM 0.36	4:51AM 0.30		3:59PM 0.37

	Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23
Sunrise	6:18	-	-	6:16	-	-	6:15	-	-	6:13	-	-	6:13	-	-	6:11	-	-	6:11	-	-
Sunset	-	6:14	-	-	6:15	-	-	6:15	-	-	6:15	-	-	6:15	-	-	6:16	-	-	6:16	-

Rain (mm)	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	17	18	18	17	17	16	16	18	17	19	19	18	23	24	24	25	30	28	26	31	29
Feels °C (?)	14	15	16	13	13	11	11	13	12	15	13	13	19	18	18	19	25	23	20	27	24

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 WA - North West

Wind Update The wind is still cross-off at Mahomets Back Beach (light winds from the NNE at Geraldton Airport 9 km from Mahomets Back Beach). A 1.7m groundswell from the SW
47 minutes ago Mahomets Back Beach

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Actual: 47 min ago

17 km/h

NNE

Cross-Off

Please reload the page to see if there are any updates.

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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 Mahomets Back Beach 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 Mahomets Back Beach Surf forecast

The above surf forecast table for Mahomets Back Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Mahomets Back Beach can be found by selecting the local surf guide option on the grey menu. Our Mahomets Back Beach 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 (Mahomets Back Beach) 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 Mahomets Back Beach 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.