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Stone Zone/Monster Mush Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Stone Zone/Monster Mush surfForecast / HAW – Oahu / USA
16 Day Weather and Surf, issued 1 am Saturday 21 Mar 2026 HSTForecast update in hr min s Forecast update imminent
Stone Zone/Monster Mush surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Stone Zone/Monster Mush sea temperature is
24.4° C
(Which is normal for this time of year)Best Forecast Surf Conditions for Stone Zone/Monster Mush this week:
The surf forecast for Stone Zone/Monster Mush over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Mar 21) at 11AM. The primary swell is predicted to be 1.8m and 12s period with a secondary swell of 0.4m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Stone Zone/Monster Mush in the next 16 days are 2.3m 11s and forecast to arrive on Saturday (Mar 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 8s period and expected on Friday (Mar 27) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Sat 21st Mar) | 6ft (1.8m) 12s |
| Best Surf | 2AM (Sun 22nd Mar) | 4.5ft (1.4m) 11s |
| Most Powerful | 5PM (Sat 21st Mar) | 7.5ft (2.3m) 11s |
Table - best surf conditions forecast for Stone Zone/Monster Mush over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 42mm), heaviest during Sat night. Warm (max 25°C on Sat morning, min 21°C on Mon night). Wind will be generally light. | Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Tue morning. Warm (max 23°C on Wed afternoon, min 21°C on Tue morning). Mainly fresh winds. | ||||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 11 | 15 | 11 | 13 | 10 | 12 | 7 | 8 | 8 | 8 | 8 | 9 | 8 | 15 | 8 | 13 | 13 | 13 | 12 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 879 | 1365 | 448 | 372 | 357 | 257 | 284 | 159 | 302 | 532 | 593 | 546 | 527 | 629 | 446 | 322 | 382 | 342 | 282 | 320 | 281 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross |
High Tide / height (m) | 5:01PM 0.68 | 3:12AM 0.47 | 6:03PM 0.68 | 2:35AM 0.44 | 7:27PM 0.66 | 9:16PM 0.67 | 10:43PM 0.69 | 11:38PM 0.71 | 11:27AM 0.30 | 12:18AM 0.71 | |||||||||||
Low Tide / height (m) | 9:42AM 0.07 | 11:10PM 0.39 | 10:09AM 0.06 | 12:59AM 0.44 | 10:41AM 0.07 | 11:21AM 0.10 | 12:25PM 0.15 | 2:38PM 0.19 | 7:46AM 0.26 | 4:29PM 0.19 | |||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||
| Sunrise | 6:35 | - | - | 6:33 | - | - | 6:33 | - | - | 6:31 | - | - | 6:31 | - | - | 6:30 | - | - | 6:28 | - | - |
| Sunset | - | 6:43 | - | - | 6:43 | - | - | 6:44 | - | - | 6:44 | - | - | 6:44 | - | - | 6:45 | - | - | 6:45 | - |
 |  |  | | | | |  | | | | |  | |  | | |  |  | |  | |
Rain (mm) | 7 | 5 | 12 | 4 | 4 | 5 | 2 | - | 3 | 2 | 2 | 4 | - | - | - | - | - | - | 2 | - | 2 |
| Temp. °C | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 22 | 22 | 23 | 22 | 22 | 23 | 22 |
| Feels °C (?) | 27 | 25 | 27 | 26 | 25 | 24 | 22 | 21 | 20 | 20 | 19 | 19 | 20 | 21 | 19 | 19 | 20 | 19 | 19 | 20 | 17 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Stone Zone/Monster Mush 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 Stone Zone/Monster Mush Surf forecast
The above surf forecast table for Stone Zone/Monster Mush provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Stone Zone/Monster Mush can be found by selecting the local surf guide option on the grey menu. Our Stone Zone/Monster Mush 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 (Stone Zone/Monster Mush) 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 Stone Zone/Monster Mush 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.
Stone Zone/Monster Mush is 19 km (12 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.
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