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Surf Forecasts:
Sissano Lagoon surfForecast / Sandaun / Papua New Guinea
48hr Weather and Surf, issued 3 pm Monday 18 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)How big are the waves at Sissano Lagoon today?
The current surf forecast for Sissano Lagoon at 11PM is: 0.9m 9s primary swell from a Northeast direction (forecast issued at 03:00pm May 18). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (+10) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 2.5ft (0.8m) | 9s |
| Evening (18 May) | 3ft (0.9m) | 9s |
Table - waves today at Sissano Lagoon. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 140mm), heaviest during Mon night. Warm (max 29°C on Mon afternoon, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 10 | NE 10 | |
99 | 101 | 123 | 141 | 138 | 138 | 141 | 141 | 141 | 141 | 138 | 138 | 138 | 138 | 138 | 141 | 141 | 141 | 141 | 138 | 141 | 141 | 200 | 208 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross | glassy | off | off | glassy | off | glassy | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | |
High Tide | 10:15PM1.20m | 7:51AM1.24m | 11:12PM1.20m | 8:45AM1.20m | 00:08AM1.20m | 9:44AM1.14m | ||||||||||||||||||
Low Tide | 2:59AM0.93m | 3:33PM-0.10m | 4:02AM0.93m | 4:27PM-0.04m | 5:12AM0.91m | |||||||||||||||||||
 | |  |  | | | |  | |  |  |  | |  |  | | | | | | | | | | |
 | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — |
 | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | 6:27 |
1 | 2 | 1 | 6 | 6 | 6 | 42 | 34 | 3 | 6 | — | — | — | 1 | — | — | 1 | 4 | 6 | 4 | 3 | 6 | 5 | 3 | |
Temp °C | 29 | 29 | 28 | 27 | 26 | 25 | 24 | 24 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 26 | 28 | 27 | 26 | 25 | 25 | 25 | 24 | 25 |
33 | 33 | 32 | 32 | 30 | 29 | 29 | 27 | 30 | 29 | 31 | 30 | 29 | 28 | 28 | 29 | 31 | 30 | 30 | 30 | 30 | 30 | 29 | 30 | |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 10 | NE 10 |
 kJ | 99 | 101 | 123 | 141 | 138 | 138 | 141 | 141 | 141 | 141 | 138 | 138 | 138 | 138 | 138 | 141 | 141 | 141 | 141 | 138 | 141 | 141 | 200 | 208 |
Swell 2 Height (m) Direction Period (s) | E 5 | E 5 | E 6 | E 5 | ESE 6 | ESE 6 | E 6 | ESE 6 | ESE 6 | NNE 10 | NNE 10 | ESE 4 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | ESE 6 | ESE 8 |
| kJ | 8 | 8 | 5 | 5 | 6 | 6 | 5 | 6 | 7 | 10 | 10 | 5 | 6 | 9 | 11 | 10 | 10 | 6 | 6 | 6 | 8 | 8 | 4 | 6 |
Swell 3 Height (m) Direction Period (s) | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | NNE 10 | NNE 11 | NNE 10 | — | E 6 | NNE 10 | N 10 | N 10 | NW 4 | NW 4 | N 10 | N 10 | N 9 | NNE 9 | N 9 | N 9 | N 9 | N 9 |
| kJ | 2 | 9 | 2 | 2 | 2 | 2 | 10 | 11 | 10 | — | 1 | 10 | 8 | 8 | 1 | 1 | 2 | 2 | 2 | 8 | 2 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SE 2 | SE 4 | S 3 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 2 | 10 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 91 | 94 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 91 | 91 | 404 | 131 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Sandaun | ||||||||||||||||||||||||
Best forecast wave conditions in Papua New Guinea | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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