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Nusa Surf Forecast
/ New Ireland (8 surf breaks) /
Nusa surfForecast / New Ireland / Papua New Guinea
12 Day Weather and Surf, issued 9 am Sunday 17 Aug 2025 +10
Best Forecast Surf Conditions for Nusa this week:
The surf forecast for Nusa over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 23) at 4AM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.5m and 8s. Another secondary swell of 0.1m and 11s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Nusa in the next 12 days are 1.6m 7s and forecast to arrive on Friday (Aug 22) at 10PM. 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 Tuesday (Aug 19) at 10AM.
| Wave Type | Time (+10) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sat 23rd Aug) | 3.5ft (1.0m) 8s |
| Best Surf | 4AM (Sat 23rd Aug) | 3.5ft (1.0m) 8s |
| Most Powerful | 10PM (Fri 22nd Aug) | 5ft (1.6m) 7s |
Table - best surf conditions forecast for Nusa over the next 12 days.
Short Range Forecast Heavy rain (total 25mm), heaviest during Tue night. Warm (max 30°C on Sun morning, min 27°C on Sun night). Wind will be generally light. | Days 3-6 Weather Summary Heavy rain (total 47mm), heaviest during Wed afternoon. Warm (max 29°C on Fri morning, min 25°C on Wed afternoon). Winds decreasing (fresh winds from the ESE on Wed afternoon, light winds from the SSE by Fri night). | ||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 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) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 8 | 9 | 9 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 5 | 8 | 9 | 9 | 8 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 37 | 41 | 49 | 54 | 55 | 106 | 110 | 78 | 157 | 158 | 185 | 205 | 126 | 179 | 101 | 104 | 131 | 169 | 122 | 135 | 109 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on |
High Tide / height (m) | 10:14AM 0.48 | 5:56PM 1.22 | 9:08PM 1.23 | 6:36PM 1.20 | 9:45PM 1.23 | 7:24PM 10:24PM 1.15 1.22 | 11:05PM 1.20 | 4:26PM 0.93 | 11:47PM 1.18 | 4:35PM 0.98 | 12:29AM 1.15 | 4:50PM 1.07 | 1:09AM 1.11 | ||||||||
Low Tide / height (m) | 10:18AM 0.48 | 7:32PM 1.19 | 7:57AM 0.31 | 7:57PM 1.18 | 8:27AM 0.31 | 8:11PM 1.15 | 8:51AM 0.34 | 9:07AM 0.39 | 5:53PM 0.90 | 9:15AM 0.44 | 6:51PM 0.87 | 8:21AM 0.46 | 7:45PM 0.86 | ||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||
| Sunrise | 6:00 | - | - | 6:00 | - | - | 5:58 | - | - | 5:58 | - | - | 5:58 | - | - | 5:58 | - | - | 5:58 | - | - |
| Sunset | - | 6:01 | - | - | 6:00 | - | - | 6:00 | - | - | 6:00 | - | - | 6:00 | - | - | 6:00 | - | - | 6:00 | - |
 |  |  | | |  | | | | |  | | | | | | | | | |  | |
Rain (mm) | 1 | - | - | - | 2 | 6 | 1 | 2 | 13 | 6 | 9 | 14 | 5 | 1 | 4 | 1 | 2 | 5 | - | 1 | 1 |
| Temp. °C | 30 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 28 | 27 | 26 | 28 | 28 | 28 | 29 | 28 | 28 | 29 | 29 | 28 |
| Feels °C (?) | 31 | 30 | 29 | 30 | 30 | 28 | 30 | 31 | 29 | 30 | 26 | 27 | 29 | 28 | 29 | 31 | 31 | 30 | 30 | 32 | 30 |
- 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)
Recent Eyeball Surf Reports for New Ireland
Cross-shore wind has turned cross-on at Nusa (moderate winds from the ESE at SHIP2082 494 km from Nusa). 0.5m 3s local chop from the E with a 0.2m 9s swell from the ENE. 2 swells combining to make bigger set waves.
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 Nusa 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 Nusa Surf forecast
The above surf forecast table for Nusa provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Nusa can be found by selecting the local surf guide option on the grey menu. Our Nusa 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 (Nusa) 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 Nusa 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.
Are you planning a holiday in New Ireland? If you are looking for accommodation near Nusa, camping, hotels and holiday cottages in New Ireland, consider staying in Kavieng which is 2 km (1 miles) away.
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