Surf Forecasts:
Sissano Lagoon surf forecast from 18 Aug 2026:
- Best quality surf: Sunday 23 Aug, 7PM (local time) - 2.5ft (0.7m), 8s period, NW swell with glassy winds.
- Most powerful swell: Wednesday 26 Aug, 10AM (local time) - 2ft (0.6m), 12s period, N swell with 108 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 7PM (local time) - 2.5ft (0.7m), 8s period with NW swell.
Best Forecast Surf Conditions for Sissano Lagoon this week:
The surf forecast for Sissano Lagoon over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 7PM. The primary swell is predicted to be 0.7m and 8s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Sissano Lagoon in the next 16 days are 0.6m 12s and forecast to arrive on Wednesday (Aug 26) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 8s period and expected on Saturday (Aug 22) at 7AM.
| Wave Type | Time (+10) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 23rd Aug) | 2.5ft (0.7m) 8s |
| Best Surf | 7PM (Sun 23rd Aug) | 2.5ft (0.7m) 8s |
| Most Powerful | 10AM (Wed 26th Aug) | 2ft (0.6m) 12s |
Table - best surf conditions forecast for Sissano Lagoon over the next 16 days.
Short Range ForecastModerate rain (total 13mm), heaviest on Thu night. Warm (max 28°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Sat night. Warm (max 28°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||||
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) | NNE 11 | NNE 11 | NNW 9 | NW 8 | NW 8 | NW 8 | NNE 9 | NW 8 | NW 9 | NNW 8 | NNW 7 | NNW 7 | NW 7 | NW 8 | NW 7 | NW 8 | NW 9 | NW 8 | NNE 12 | N 12 | NNE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 12 | 12 | 16 | 18 | 18 | 16 | 8 | 11 | 12 | 7 | 9 | 20 | 26 | 46 | 44 | 40 | 27 | 43 | 50 | 69 | 40 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | glassy | glassy | on | glassy | cross | cross-on | glassy | cross | cross-on | cross-off | cross | on | cross-off | glassy | cross-on | cross-off | cross | cross-on | cross-off |
High Tide | 1:33PM0.92m | 11:54PM1.10m | 3:04PM0.92m | 00:29AM1.06m | 4:34PM0.93m | 1:11AM1.04m | 5:41PM0.96m | 2:02AM1.03m | 6:26PM0.98m | 2:59AM1.03m | 6:59PM1.01m | 3:57AM1.05m | 7:25PM1.03m | ||||||||
Low Tide | 6:01PM0.78m | 7:35AM0.34m | 6:52PM0.85m | 8:30AM0.32m | 7:59PM0.89m | 9:25AM0.29m | 9:15PM0.91m | 10:17AM0.27m | 10:23PM0.91m | 11:05AM0.24m | 11:17PM0.89m | 11:47AM0.23m | 00:03AM0.86m | ||||||||
 |  |  | |  |  | | | | | |  | | | | | | | | | | |
 | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — |
 | — | 6:36 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — |
mm | — | — | — | — | 1 | 9 | 1 | 1 | 1 | 1 | 1 | 5 | 3 | — | 4 | — | — | — | — | — | 3 |
Temp °C | 27 | 28 | 26 | 27 | 28 | 26 | 28 | 28 | 27 | 28 | 27 | 26 | 28 | 28 | 26 | 28 | 28 | 26 | 29 | 29 | 27 |
Feels °C | 31 | 31 | 30 | 31 | 31 | 30 | 31 | 31 | 31 | 30 | 30 | 30 | 31 | 31 | 30 | 31 | 31 | 30 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | NW 7 | NW 8 | E 7 | NW 8 | NW 7 | N 12 | NNE 11 |
| kJ | 34 | 38 | 33 | 40 | 42 | 58 | 45 | 58 | 100 | 130 | 156 | 132 | 76 | 54 | 44 | 40 | 15 | 43 | 19 | 69 | 40 |
Swell 2 Height (m) Direction Period (s) | NNE 11 | NNE 11 | NNW 9 | NW 8 | NW 8 | NW 8 | NNW 7 | NW 8 | NW 9 | NNW 8 | NNW 7 | NNW 7 | NW 7 | NW 8 | E 7 | E 7 | NW 9 | ENE 12 | NNE 12 | ENE 12 | E 5 |
| kJ | 12 | 12 | 16 | 18 | 18 | 16 | 5 | 11 | 12 | 7 | 9 | 20 | 26 | 46 | 34 | 25 | 27 | 31 | 50 | 56 | 7 |
Swell 3 Height (m) Direction Period (s) | NNW 7 | NNW 7 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNW 7 | NNW 8 | NE 8 | NE 14 | ENE 13 | ENE 13 | ENE 12 | NW 7 | E 6 | ENE 12 | NW 7 | NW 7 |
| kJ | 5 | 4 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 5 | 7 | 3 | 8 | 17 | 17 | 29 | 15 | 7 | 27 | 18 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 5 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1102 | 2239 | 2206 | 1446 | 1833 | 1833 | 1431 | 1833 | 1842 | 1842 | 1778 | 1742 | 404 | 1102 | 0 | 0 | 1723 | 0 | 91 | 1778 | 0 |
Best forecast wave conditions in Sandaun | |||||||||||||||||||||
Best forecast wave conditions in Papua New Guinea | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Sissano Lagoon 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 Sissano Lagoon Surf forecast
The above surf forecast table for Sissano Lagoon provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sissano Lagoon can be found by selecting the local surf guide option on the grey menu. Our Sissano Lagoon 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 (Sissano Lagoon) 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 Sissano Lagoon 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.
Sissano Lagoon is 161 km (100 miles) from the city of Kotabaru. If you plan a holiday in Sandaun, look for hotels and other accommodation in Kotabaru. Kotabaru has rooms for a wide range of budgets as well as car hire and transport links.
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