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Surf Forecasts:
Sissano Lagoon surfForecast / Sandaun / Papua New Guinea
16 Day Weather and Surf, issued 9 pm Tuesday 19 May 2026 +10Forecast update in hr min s Forecast update imminent
Sissano Lagoon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sissano Lagoon sea temperature is
30.1° C
(Which is slightly warmer than usual)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 Wednesday (May 20) at 7AM. The primary swell is predicted to be 0.9m and 9s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Sissano Lagoon in the next 16 days are 1.1m 10s and forecast to arrive on Thursday (May 21) at 4PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 5s period and expected on Tuesday (May 26) at 4AM.
| Wave Type | Time (+10) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Wed 20th May) | 3ft (0.9m) 9s |
| Best Surf | 4PM (Thu 21st May) | 3.5ft (1.1m) 10s |
| Most Powerful | 4PM (Thu 21st May) | 3.5ft (1.1m) 10s |
Table - best surf conditions forecast for Sissano Lagoon over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Wed night. Warm (max 28°C on Wed morning, min 24°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 36mm), heaviest during Sat night. Warm (max 28°C on Sat morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
NE 9 | NE 9 | NE 9 | NE 9 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | ENE 9 | NE 9 | ENE 9 | NE 9 | ENE 9 | ENE 9 | E 5 | |
138 | 141 | 141 | 141 | 184 | 204 | 144 | 122 | 122 | 101 | 101 | 81 | 79 | 81 | 55 | 78 | 45 | 62 | 30 | 30 | 35 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | glassy | cross-on | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross-off | glassy | cross-on | cross-off | glassy | cross | cross-off | glassy | cross-on | |
High Tide | 11:12PM1.20m | 8:45AM1.20m | 00:08AM1.20m | 9:44AM1.14m | 1:01AM1.19m | 10:51AM1.05m | 1:48AM1.19m | 12:11PM0.97m | 2:30AM1.19m | 1:43PM0.91m | 3:07AM1.19m | 3:20PM0.89m | 3:39AM1.18m | 4:49PM0.91m | |||||||
Low Tide | 4:02AM0.93m | 4:27PM-0.04m | 5:12AM0.91m | 5:22PM0.05m | 6:29AM0.86m | 6:17PM0.17m | 7:47AM0.79m | 7:11PM0.30m | 8:57AM0.68m | 8:05PM0.44m | 9:54AM0.57m | 8:58PM0.57m | 10:42AM0.46m | ||||||||
 |  |  |  | | |  | | | | | |  |  | | | | | | | | |
 | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — |
 | — | — | 6:27 | — | — | 6:27 | — | — | 6:27 | — | — | 6:27 | — | — | 6:27 | — | — | 6:27 | — | — | 6:27 |
— | — | 1 | 8 | 1 | — | 3 | 5 | 1 | 7 | 2 | 2 | 14 | — | 1 | 8 | 2 | — | 2 | — | — | |
Temp °C | 25 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 27 |
29 | 32 | 30 | 30 | 31 | 30 | 31 | 31 | 31 | 31 | 32 | 31 | 31 | 31 | 31 | 32 | 30 | 29 | 30 | 31 | 31 | |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 9 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | ENE 9 | NE 9 | ENE 9 | NE 9 | ENE 9 | ENE 9 | ENE 8 |
 kJ | 138 | 141 | 141 | 141 | 184 | 204 | 144 | 122 | 122 | 101 | 101 | 81 | 79 | 81 | 55 | 78 | 45 | 62 | 30 | 30 | 28 |
Swell 2 Height (m) Direction Period (s) | ESE 4 | — | N 10 | N 9 | NE 4 | E 5 | ESE 7 | ESE 7 | ESE 7 | E 6 | WNW 6 | NNE 10 | NW 5 | E 5 | E 5 | E 5 | NNE 8 | WNW 6 | NNE 8 | NNE 7 | NNE 9 |
| kJ | 2 | — | 2 | 2 | 2 | 5 | 4 | 9 | 4 | 3 | 3 | 10 | 4 | 13 | 7 | 7 | 12 | 3 | 12 | 5 | 8 |
Swell 3 Height (m) Direction Period (s) | N 10 | — | — | N 9 | N 9 | N 9 | — | W 6 | NW 6 | WNW 6 | E 6 | E 7 | E 6 | NNE 11 | NNE 9 | WNW 6 | NNE 10 | NNE 10 | NNE 9 | NNE 10 | NNE 7 |
| kJ | 8 | — | — | 7 | 2 | 2 | — | 1 | 1 | 4 | 3 | 4 | 3 | 12 | 17 | 3 | 9 | 10 | 9 | 10 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | ESE 7 | E 4 | — | — | — | E 4 | E 5 | E 5 | E 5 | E 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 9 | 5 | — | — | — | 9 | 22 | 25 | 26 | 35 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 131 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 960 | 0 | 0 | 1125 | 0 | 0 | 31 | 0 | 0 | 91 |
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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