Surf Forecasts:
Raglan-Manu Bay surf forecast from 12 Sep 2026:
- Best quality surf: Tuesday 15 Sep, 3AM (local time) - 6ft (1.9m), 15s period, WSW swell with cross-offshore winds.
- Most powerful swell: Sunday 13 Sep, 12PM (local time) - 11ft (3.5m), 17s period, WSW swell with 6,311 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 3AM (local time) - 6ft (1.9m), 15s period with WSW swell.
Best Forecast Surf Conditions for Raglan-Manu Bay this week:
The surf forecast for Raglan-Manu Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 15) at 3AM. The primary swell is predicted to be 1.9m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Raglan-Manu Bay in the next 16 days are 3.5m 17s and forecast to arrive on Sunday (Sep 13) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Friday (Sep 18) at 6AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 15th Sep) | 6ft (1.9m) 15s |
| Best Surf | 3AM (Tue 15th Sep) | 6ft (1.9m) 15s |
| Most Powerful | 12PM (Sun 13th Sep) | 11ft (3.5m) 17s |
Table - best surf conditions forecast for Raglan-Manu Bay over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s break down what’s brewing for the next couple of weeks at Manu Bay.
The main spot is Manu Bay (Raglan-Manu-Bay), and we’ve got a solid run of groundswell coming in from the WSW, but the wind’s going to be the deciding factor on whether it’s a go or a no. Water temp is 58°F, which is totally normal for this time of year – no surprises there.
Right off the bat, it’s not good. Sunday the 13th has a 12 ft WSW swell with 30 km/h cross-winds and lumpy chop – a total mess. That strong energy is wasted. Monday and Tuesday morning are still messy with cross-shore winds and a cross-chop, even though the swell sits around 7 ft to 8 ft.
The first real standout is Tuesday morning the 15th. Swell drops to a clean 6 ft from the WSW, period a solid 14 seconds, and the wind goes glassy from the ENE at just 5 km/h. That’s going to be smooth, lined-up waves at Manu Bay – a real window of opportunity.
After that, the swell drops off. Wednesday and Thursday see the waves below 5 ft and the wind turns cross-onshore, choppy, and not worth your time.
Friday the 18th brings a new 6 ft to 7 ft WSW groundswell, but it’s cross-onshore in the morning. The afternoon is a bit better but still not clean. Saturday the 19th has a 8 ft swell again but with 20 km/h cross-winds and showers, so it’s lumpy.
The next standout window is Monday morning the 21st. We’ve got an 8 ft WSW groundswell, period 14 seconds, and light onshore wind from the NW at just 5 km/h. It’s rideable, and the energy is strong.
From the 22nd to the 24th, we get steady 7 ft to 8 ft swell, mostly cross-shore or cross-off winds. The 22nd afternoon and 23rd morning look clean with cross-off breezes.
The 25th and 26th get rough again with strong 35 km/h winds and lumpy, poor surf.
Then, Sunday morning the 27th is another beauty. A 5 ft WSW groundswell, 14-second period, and a light southerly at 5 km/h blowing cross-off. The report says “clean,” and this is looking like the pick of the whole run for smooth, crowd-friendly waves.
If I had to call it: Tuesday the 15th for the glassy 6 ft waves, and Sunday the 27th for the light offshore clean lines on a 5 ft swell. Both are prime Manu Bay moments.
Remember, the longer-range forecast is promising but not locked in. The near-term stuff is rough, so be patient.
Stay stoked, check the tide, and I’ll see you out there.
Rusty
Short Range ForecastMostly dry. Very mild (max 14°C on Sun morning, min 11°C on Mon night). Winds decreasing (fresh winds from the WSW on Sun morning, calm by Tue morning). | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Thu night. Very mild (max 17°C on Thu afternoon, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||
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) | WSW 16 | WSW 17 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 11 | W 14 | WSW 14 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6582 | 2844 | 3544 | 2948 | 2348 | 1776 | 1257 | 1091 | 712 | 440 | 269 | 384 | 534 | 1129 | 693 | 1636 | 1943 | 1609 | 848 | 911 | 3040 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross | cross | cross | glassy | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-off | cross-on | on | cross-on | cross | cross-on | cross-on |
High Tide | 11:23AM3.01m | 11:39PM3.02m | 11:58AM2.94m | 00:13AM2.89m | 12:32PM2.83m | 00:47AM2.73m | 1:07PM2.69m | 1:23AM2.55m | 1:46PM2.53m | 2:07AM2.37m | 2:34PM2.36m | 3:06AM2.20m | 3:39PM2.22m | ||||||||
Low Tide | 5:33PM0.11m | 5:54AM0.10m | 6:09PM0.23m | 6:30AM0.22m | 6:46PM0.40m | 7:06AM0.38m | 7:25PM0.59m | 7:43AM0.57m | 8:09PM0.78m | 8:26AM0.76m | 9:01PM0.95m | 9:19AM0.93m | 10:07PM1.06m | ||||||||
 |  |  | | |  | | | |  | |  | | |  |  | | | | | | |
 | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — |
 | — | 6:08 | — | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:12 | — | — | 6:13 | — | — | 6:14 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 5 | — | — | 2 | — | 8 |
Temp °C | 14 | 13 | 12 | 13 | 13 | 12 | 13 | 13 | 12 | 13 | 13 | 13 | 16 | 17 | 14 | 13 | 14 | 12 | 14 | 14 | 13 |
Feels °C | 8 | 7 | 9 | 9 | 9 | 9 | 11 | 10 | 9 | 10 | 10 | 11 | 12 | 13 | 9 | 9 | 11 | 10 | 8 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | — | WSW 17 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 11 | W 14 | WSW 14 | WSW 16 | WSW 16 | WSW 15 | WSW 9 | WSW 10 | WSW 15 |
| kJ | — | 2844 | 3544 | 2948 | 2348 | 1776 | 1257 | 1091 | 712 | 440 | 269 | 384 | 534 | 1129 | 693 | 1636 | 1943 | 1609 | 848 | 660 | 3040 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | WSW 6 | — | — | — | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WSW 15 | WSW 14 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 23 | — | — | — | 172 | 244 | 453 | 371 | 773 | 911 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 18 | — | — | — | — | — | — | — | NW 9 | NW 8 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | 64 | 11 | — |
Wind waves Height (m) Direction Period (s) | WSW 16 | WSW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6582 | 983 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 141 | 228 | 96 | 56 | 236 | 2 | 0 | 224 | 228 | 228 | 252 | 219 | 103 | 9 | 9 | 109 | 108 | 48 | 108 | 109 | 109 |
Best forecast wave conditions in Raglan and West Waikato | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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Information about the Raglan-Manu Bay Surf forecast
The above surf forecast table for Raglan-Manu Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Raglan-Manu Bay can be found by selecting the local surf guide option on the grey menu. Our Raglan-Manu 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 (Raglan-Manu 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 Raglan-Manu 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.
Raglan-Manu Bay is 42 km (26 miles) from Hamilton. If you plan a holiday in Raglan and West Waikato, look for hotels and other accommodation in Hamilton. Hamilton has rooms for a wide range of budgets as well as car hire and transport links.
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