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Surf Forecasts:
Cox Bay surf forecast from 23 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 2AM (local time) - 2ft (0.6m), 18s period, SW swell with glassy winds.
- Most powerful swell: Saturday 29 Aug, 8AM (local time) - 2.5ft (0.7m), 17s period, SW swell with 288 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 5AM (local time) - 2.5ft (0.7m), 8s period with W swell.
Best Forecast Surf Conditions for Cox Bay this week:
The surf forecast for Cox Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 5AM. The primary swell is predicted to be 0.4m and 13s period with a secondary swell of 0.7m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Cox Bay in the next 16 days are 0.7m 17s and forecast to arrive on Saturday (Aug 29) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Thursday (Aug 27) at 2AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sun 23rd Aug) | 2.5ft (0.7m) 8s |
| Best Surf | 2AM (Tue 25th Aug) | 2ft (0.6m) 18s |
| Most Powerful | 8AM (Sat 29th Aug) | 2.5ft (0.7m) 17s |
Table - best surf conditions forecast for Cox Bay over the next 16 days.
The Lowdown
Alright, let’s break it down for Cox Bay in feet and degrees. The whole 16-day stretch is pretty inconsistent, with a lot of weak surf. The first week is mostly too small to bother with, but we do have a few clean windows. The real winner pops up at the beginning of September.
Starting Sunday the 23rd. We’ve got a 0.4m SSW groundswell at 13 seconds, so that’s about 1 feet. The energy is light (128). Morning is glassy but the swell is just too weak to ride. By afternoon, onshore wind kills it.
Monday the 24th is a write-off. Onshore wind and poor conditions.
Tuesday the 25th we get a little life. The afternoon has the wind shifting cross-offshore from the SE, and a 0.5m SW swell (about 2 feet) with a 17-second period. Energy is moderate at 298. The waves will be clean but tiny – fun for a foam board or a longboard.
Wednesday and Thursday the 26th and 27th offer similar. Small SW swell, around 2 to 2 feet. Cross-offshore wind keeps it clean, but don’t expect any power.
Friday the 28th through Sunday the 30th is flat and onshore. Choppy and ugly.
Monday the 31st of August is a decent little window. Morning is clean with light air and cross-offshore wind. Swell is 0.7m (2 feet) from the SW at 16 seconds, with 301 energy. That’s rideable and clean.
Tuesday September 1st shows the swell bumping up to 1.5m (about 5 feet), but the period drops to 9 seconds – short period and lumpy. It’s clean cross-offshore, but 5 feet of short period wind swell is not going to be pretty. Energy is 571, moderate.
Then it gets blown out from Wednesday the 2nd through Friday the 4th.
The standout is Saturday the 5th of September. The morning is okay, but Saturday afternoon is the one. The wind goes glassy from the NE, the swell is 0.8m (3 feet) from the SSW with a 17-second period, and the energy is strong at 552. The notes say “very good surf conditions.” That’s your best session. Clean, glassy, small but quality. It’s a great call for a longboard or a fish. Cox Bay is a beach and point break, so that long period groundswell should bend in nicely. Crowds are possible, but with those conditions, it’s worth the company.
Sunday the 6th and Monday the 7th hold some size but with messy wind.
So in short: wait for Tuesday the 25th for tiny clean surf, and then Saturday the 5th of September afternoon is the pick of the whole forecast – glassy, clean, with real energy in the water.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Mon night, min 14°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Wed afternoon. Very mild (max 16°C on Wed afternoon, min 13°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSW 13 | W 8 | W 8 | SW 19 | SW 18 | SW 18 | SW 18 | WSW 16 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SSW 19 | SW 14 | SSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 98 | 67 | 65 | 129 | 114 | 203 | 252 | 102 | 147 | 264 | 163 | 125 | 159 | 122 | 112 | 134 | 139 | 103 | 175 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | cross | on | cross-on | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | on | on | cross-on |
High Tide | 9:13PM2.88m | 11:20AM2.52m | 10:13PM2.96m | 11:58AM2.66m | 11:04PM3.06m | 12:29PM2.79m | 11:49PM3.16m | 12:59PM2.91m | 00:30AM3.23m | 1:27PM3.03m | 1:08AM3.26m | 1:55PM3.14m | 1:48AM3.25m | ||||||
Low Tide | 4:32AM0.93m | 4:22PM1.87m | 5:22AM0.79m | 5:12PM1.73m | 6:02AM0.66m | 5:53PM1.57m | 6:36AM0.55m | 6:31PM1.38m | 7:08AM0.48m | 7:09PM1.18m | 7:37AM0.47m | 7:47PM0.99m | |||||||
 | |  |  | |  |  | | | | |  |  | | | | | | | |
 | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — |
 | 8:25 | — | 8:23 | — | — | 8:22 | — | — | 8:20 | — | — | 8:17 | — | — | 8:15 | — | — | 8:14 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — |
Temp °C | 15 | 15 | 16 | 16 | 17 | 17 | 18 | 18 | 17 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
Feels °C | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 18 | 16 | 14 | 12 | 13 | 14 | 14 | 13 | 15 | 14 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | W 7 | SW 18 | W 7 | W 7 | W 7 | W 7 | WSW 7 | SW 16 | SW 16 | W 7 | W 8 | W 7 | W 6 | SW 14 | SSW 16 |
| kJ | 63 | 61 | 60 | 55 | 26 | 203 | 106 | 82 | 51 | 52 | 38 | 125 | 159 | 48 | 92 | 56 | 46 | 103 | 175 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SW 19 | SW 18 | SSW 12 | SW 18 | SSW 14 | SW 17 | SW 16 | SW 16 | WNW 8 | SSW 13 | SW 6 | SW 6 | SW 15 | SW 15 | WSW 10 | SW 13 |
| kJ | 98 | 67 | 65 | 129 | 114 | 29 | 252 | 77 | 147 | 264 | 163 | 25 | 55 | 31 | 21 | 134 | 104 | 19 | 62 |
Swell 3 Height (m) Direction Period (s) | SW 20 | SSE 6 | SSE 5 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | WSW 16 | S 14 | SSW 13 | WNW 8 | WSW 7 | WSW 12 | SW 16 | SW 15 | SSW 6 | SSW 19 | SSW 19 | WSW 10 |
| kJ | 66 | 10 | 6 | 42 | 42 | 42 | 65 | 102 | 100 | 58 | 38 | 18 | 48 | 122 | 112 | 13 | 139 | 36 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WNW 7 | WNW 5 | — | — | — | — | SE 2 | SE 4 | — | — | — | — | W 6 | W 7 |
| kJ | — | — | — | — | — | 54 | 77 | — | — | — | — | 1 | 13 | — | — | — | — | 23 | 34 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 749 | 1 | 119 | 145 | 0 | 119 | 0 | 0 | 119 | 17 | 0 | 0 | 277 | 0 | 269 | 1386 | 93 |
Best forecast wave conditions in Vancouver Island | |||||||||||||||||||
Best forecast wave conditions in Canada | |||||||||||||||||||
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Information about the Cox Bay Surf forecast
The above surf forecast table for Cox Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cox Bay can be found by selecting the local surf guide option on the grey menu. Our Cox Bay 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 (Cox Bay) 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 Cox Bay 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.
Cox Bay is 77 km (48 miles) from Gold River. If you plan a holiday in Vancouver Island, look for hotels and other accommodation in Gold River. Gold River has rooms for a wide range of budgets as well as car hire and transport links.
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