Surf Forecasts:
Vunaniu surf forecast from 12 Sep 2026:
- Best quality surf: Monday 14 Sep, 3AM (local time) - 7.5ft (2.3m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 13 Sep, 6AM (local time) - 10ft (3.0m), 18s period, SSW swell with 5,885 kJ wave energy.
- Next surfable swell (1★+): Monday 14 Sep, 3AM (local time) - 7.5ft (2.3m), 16s period with SSW swell.
Best Forecast Surf Conditions for Vunaniu this week:
The surf forecast for Vunaniu over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 14) at 3AM. The primary swell is predicted to be 2.3m and 16s period with a secondary swell of 0.8m and 20s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Vunaniu in the next 16 days are 3.0m 18s and forecast to arrive on Sunday (Sep 13) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Tuesday (Sep 15) at 9PM.
| Wave Type | Time (+12) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Mon 14th Sep) | 7.5ft (2.3m) 16s |
| Best Surf | 3AM (Mon 14th Sep) | 7.5ft (2.3m) 16s |
| Most Powerful | 6AM (Sun 13th Sep) | 10ft (3.0m) 18s |
Table - best surf conditions forecast for Vunaniu over the next 16 days.
The Lowdown
Right, folks, let's have a look at what's cookin' at Vunaniu for the next couple of weeks. Here's Rusty with the word.
First off, the main player here is a solid, persistent SSW groundswell that's gonna be throwin' some serious energy our way, especially in the first week. We're talkin' combined energy readings well into the thousands, meaning plenty of push in the water. The water temp is sittin' at 77°, which is bang on average for this time of year, so no wetsuit drama there.
Now, the reality check: this spot is a reef break that's inconsistent, so we're relying on the right windows. For the first part of the week, we've got a lot of cross-shore and fresh breezes makin' things lumpy and choppy. It's not our time yet. But hold tight.
The first real standout looks like Tuesday morning, September 15th. We've got a solid 10ft of SSW groundswell (period of 17 seconds – that's proper groundswell energy) combin' with a gentle cross-offshore breeze. That combo is gonna serve up some clean, powerful lines. The energy reading of 4458? That's moderate to strong stuff. Just a heads up though, with 10ft faces, this is for experienced surfers only. It'll be a big, raw ocean out there.
We'll have a few average days after that, with the swell droppin' a touch and the winds stayin' messy. But then we get another cracker. Sunday morning, September 20th is lookin' prime. A 7ft SSW swell is on the cards again, but this time with glassy conditions – that's the dream. The energy is still strong at 1741 for that window, and clean glassy conditions on a reef wave like this? That's worth gettin' out of bed for. The swell direction is SSW which is bang on the optimum from the guidance, so the lines should be nice and long. Just be mindful that with the swell size over 5ft, it might be a bit much for the beginners, and the inconsistency means you might have a bit of a wait for the sets.
After that, the surf sticks around but the winds get shifty, a bit onshore and rainy at times. The second week is a bit more of a mixed bag with smaller swell and more variable conditions.
Look, for a spot that's inconsistent, the fact we have a couple of solid, clean windows is pretty exciting. The Tuesday and Sunday sessions are your best bets. The rest of the time, you'll be scratchin' for a clean one.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Mon morning, min 18°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Wed afternoon. Warm (max 24°C on Tue morning, min 19°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||
AM | PM | 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 20 | SSW 20 | SSW 19 | SSW 17 | SSW 17 | SSW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1469 | 1999 | 3730 | 5818 | 4732 | 3079 | 3864 | 4513 | 4831 | 4441 | 3383 | 1788 | 1225 | 1072 | 721 | 569 | 487 | 342 | 209 | 147 | 452 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross | cross-off | cross | cross-off | glassy | glassy | cross-on |
High Tide | 7:21PM1.69m | 7:40AM1.60m | 8:01PM1.66m | 8:25AM1.52m | 8:40PM1.61m | 9:11AM1.43m | 9:21PM1.53m | 10:00AM1.33m | 10:05PM1.45m | 10:53AM1.24m | 10:54PM1.37m | 11:54AM1.17m | 11:51PM1.30m | ||||||||
Low Tide | 1:06PM0.12m | 1:32AM0.17m | 1:46PM0.19m | 2:16AM0.19m | 2:26PM0.28m | 3:00AM0.23m | 3:08PM0.38m | 3:46AM0.29m | 3:51PM0.48m | 4:36AM0.36m | 4:39PM0.57m | 5:32AM0.42m | 5:35PM0.64m | ||||||||
 | |  | | |  | | | | |  | | |  |  | | | | |  |  | |
 | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — |
 | — | 6:01 | — | — | 6:01 | — | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | — | — | — | — | — | 6 |
Temp °C | 21 | 21 | 20 | 21 | 21 | 20 | 22 | 22 | 20 | 24 | 23 | 21 | 23 | 22 | 21 | 23 | 23 | 22 | 24 | 23 | 23 |
Feels °C | 20 | 19 | 18 | 18 | 18 | 17 | 20 | 18 | 18 | 21 | 19 | 19 | 22 | 20 | 19 | 22 | 22 | 22 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 10 | SSW 19 | SSW 17 | SSW 17 | SSW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | E 7 | ESE 7 | SSW 16 |
| kJ | 546 | 726 | 3730 | 5818 | 4732 | 3079 | 3864 | 4513 | 4831 | 4441 | 3383 | 1788 | 1225 | 1072 | 721 | 569 | 487 | 342 | 92 | 63 | 452 |
Swell 2 Height (m) Direction Period (s) | SSW 20 | SSW 20 | SSW 11 | — | E 9 | ENE 9 | E 8 | S 21 | S 18 | S 15 | S 13 | S 6 | SSE 10 | S 13 | S 12 | S 10 | SSE 10 | SSE 9 | SSW 13 | SSW 13 | E 7 |
| kJ | 1469 | 1999 | 1016 | — | 14 | 25 | 12 | 8 | 27 | 17 | 31 | 21 | 19 | 31 | 24 | 52 | 31 | 26 | 209 | 147 | 48 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | SW 16 | — | — | — | — | NE 13 | — | — | — | ENE 12 | SSE 11 | S 15 | SE 12 | E 11 | — | SE 11 | SE 12 | S 10 | S 10 | SSE 9 |
| kJ | 46 | 255 | — | — | — | — | 7 | — | — | — | 14 | 25 | 17 | 5 | 2 | — | 5 | 6 | 51 | 50 | 29 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | ESE 4 | E 4 | — | ESE 5 | ESE 5 | SE 6 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 6 | E 7 | — | — |
| kJ | — | — | — | — | — | — | — | 20 | 10 | — | 55 | 72 | 112 | 138 | 295 | 197 | 176 | 135 | 153 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 27 | 1281 | 11 | 84 | 777 | 27 | 84 | 73 | 62 | 27 | 1310 | 27 | 0 | 1132 | 73 | 27 | 73 | 11 | 0 | 0 | 1132 |
Best forecast wave conditions in Kadavu Passage | |||||||||||||||||||||
Best forecast wave conditions in Fiji | |||||||||||||||||||||
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Information about the Vunaniu Surf forecast
The above surf forecast table for Vunaniu provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Vunaniu can be found by selecting the local surf guide option on the grey menu. Our Vunaniu 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 (Vunaniu) 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 Vunaniu 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.
Vunaniu is 61 km (38 miles) from Suva. If you plan a holiday in Kadavu Passage, look for hotels and other accommodation in Suva. Suva has rooms for a wide range of budgets as well as car hire and transport links.
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