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Surf Forecasts:

Sissano Lagoon surfForecast / Sandaun / Papua New Guinea

information circle12 Day Weather and Surf, issued 9 pm Monday 16 Feb 2026 +10
Forecast 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
29.2° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Sissano Lagoon this week:

The surf forecast for Sissano Lagoon over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Feb 17) at 4AM. The primary swell is predicted to be 0.9m and 9s period with a secondary swell of 0.6m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Sissano Lagoon in the next 12 days are 1.1m 11s and forecast to arrive on Wednesday (Feb 18) at 4AM. Winds are predicted to be offshore at the time the swell arrives.

Wave TypeTime (+10) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Tue 17th Feb)3ft (0.9m) 9s
Best Surf 4AM (Tue 17th Feb)3ft (0.9m) 9s
Most Powerful 4AM (Wed 18th Feb)3.5ft (1.1m) 11s

Table - best surf conditions forecast for Sissano Lagoon over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 2mm), mostly falling on Tue night. Warm (max 29°C on Wed morning, min 25°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 14mm), heaviest on Fri night. Warm (max 29°C on Fri morning, min 25°C on Thu night). Wind will be generally light.

Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Mon
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
2
1
2
2
1
2
2
0
2
2
0
2
2
1
2
2
1
2
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
NNE
0.8
ENE
1.1
NE
1
NE
0.9
NE
0.8
ENE
0.8
ENE
0.8
ENE
0.7
ENE
0.7
ENE
0.9
ENE
1.1
NE
1.1
NE
1.1
NE
1.1
NE
1.2
NE
1.1
NE
1.2
NE
1.1
NE
1.2
N
1
NE
Period(s) (?)9129111111111111101010101010101010979
Wave
Graph
(?)Metric surfscale
Energy kJ (?)12417721223716614915113510397157245240220255279245262225128166
Wind
(km/h)
5
SSW
0
ENE
10
NNE
5
S
5
SSW
10
NNE
5
S
5
ESE
15
ENE
10
SSE
5
E
15
NE
5
E
5
SSE
10
NE
5
S
5
N
10
NNE
5
SSW
5
S
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassonglassglassoncross-
off		glasscross-
on		cross-
off		glasscross-
on		glassglassonoffglassonglassglasson
High Tide
/ height (m)
8:34AM
1.09
6:47PM
1.12
8:55AM
1.12
7:42PM
1.12
9:16AM
1.14
8:39PM
1.09
9:39AM
1.16
9:40PM
1.06
10:04AM
1.17
10:47PM
1.02
10:33AM
1.18
12:02AM
0.99
11:06AM
1.18
Low Tide
/ height (m)
1:21AM
0.18
1:39PM
0.80
1:57AM
0.22
2:22PM
0.73
2:32AM
0.29
3:06PM
0.64
3:08AM
0.38
3:51PM
0.54
3:44AM
0.49
4:39PM
0.44
4:23AM
0.60
5:31PM
0.35
5:05AM
0.71
6:28PM
0.27
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Mon
23
Sunrise-6:39--6:39--6:39--6:39--6:39--6:39--6:39-
Sunset--6:51--6:51--6:51--6:51--6:51--6:50--6:50
part cloud
part cloud
clear
rain showers
clear
clear
rain showers
clear
clear
clear
part cloud
clear
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
rain showers
part cloud
thunderstorm
Rain (mm)
---1--1-----131----3-2
Temp. °C272828272929272929272929272829272828262828
Feels °C (?)323131323232313231303232323032313130303131
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Sissano Lagoon at:
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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 12 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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