10-day surf forecast with Strike Scores for Nusa Left (Karanas), Kavieng, Papua New Guinea
Nusa Left—also known as Karanas—is Kavieng's premier left-hand wave, a fast barreling tube that jacks out of deep water and immediately pitches over shallow reef. The wave offers a unique setup where you're floating in comfortable depth until suddenly dropping into a heavy, draining barrel that demands quick feet and confidence. Accessed by boat from Kavieng or the legendary Lissenung Island, Nusa Left delivers the goods when west swells hit the New Ireland coast. For surfers seeking uncrowded perfection in one of the world's most remote surf destinations, this is PNG at its finest.
Best day in the forecast: 2026-08-05 with a score of 42/100 (Poor)
Poor conditions overall: Average score 21/100. Look for spots with better forecasts.
No alignment: Swell from 207° is outside workable range 240°-300°. Wrong swell direction for this spot.
Too small: 0.7m is below minimum 0.8m. Waves will be weak/mushy.
Perfect period: 14s is at or above ideal 12s. Long-period groundswell with maximum power.
Onshore/cross-shore: 7 km/h from 180° (S). Destroying wave quality. Offshore range: 50°-130°.
Groundswell-dominant conditions (clean, long-period waves).
Poor conditions at Nusa Left (Karanas). Either swell direction (207°), size (0.7m), or wind (7 km/h from 180°) is unfavorable. Consider other spots or wait for better conditions.
0.7m (2.3ft) swell from 207° (SSW) at 14s period
No alignment: Swell from 354° is outside workable range 240°-300°. Wrong swell direction for this spot.
Too small: 0.6m is below minimum 0.8m. Waves will be weak/mushy.
Good period: 15s is 125% of ideal 12s. Clean, powerful groundswell.
Onshore/cross-shore: 15 km/h from 145° (SE). Destroying wave quality. Offshore range: 50°-130°.
Poor conditions at Nusa Left (Karanas). Either swell direction (354°), size (0.6m), or wind (15 km/h from 145°) is unfavorable. Consider other spots or wait for better conditions.
0.6m (2.0ft) swell from 354° (N) at 15s period
No alignment: Swell from 205° is outside workable range 240°-300°. Wrong swell direction for this spot.
Good period: 11s is 92% of ideal 12s. Clean, powerful groundswell.
Onshore/cross-shore: 15 km/h from 132° (SE). Destroying wave quality. Offshore range: 50°-130°.
Poor conditions at Nusa Left (Karanas). Either swell direction (205°), size (0.6m), or wind (15 km/h from 132°) is unfavorable. Consider other spots or wait for better conditions.
0.6m (2.0ft) swell from 205° (SSW) at 11s period
No alignment: Swell from 79° is outside workable range 240°-300°. Wrong swell direction for this spot.
Moderate period: 9s meets minimum 8s but below ideal 12s. Some groundswell energy present.
Light offshore: 9 km/h from 89° (E). Grooming the wave face beautifully.
Poor conditions at Nusa Left (Karanas). Either swell direction (79°), size (0.6m), or wind (9 km/h from 89°) is unfavorable. Consider other spots or wait for better conditions.
0.6m (2.0ft) swell from 79° (E) at 9s period
No alignment: Swell from 336° is outside workable range 240°-300°. Wrong swell direction for this spot.
Light offshore: 6 km/h from 70° (ENE). Grooming the wave face beautifully.
Poor conditions at Nusa Left (Karanas). Either swell direction (336°), size (0.6m), or wind (6 km/h from 70°) is unfavorable. Consider other spots or wait for better conditions.
0.6m (2.0ft) swell from 336° (NNW) at 14s period
No alignment: Swell from 332° is outside workable range 240°-300°. Wrong swell direction for this spot.
Light offshore: 5 km/h from 128° (SE). Grooming the wave face beautifully.
Poor conditions at Nusa Left (Karanas). Either swell direction (332°), size (0.6m), or wind (5 km/h from 128°) is unfavorable. Consider other spots or wait for better conditions.
0.6m (2.0ft) swell from 332° (NNW) at 15s period
No alignment: Swell from 329° is outside workable range 240°-300°. Wrong swell direction for this spot.
Onshore/cross-shore: 7 km/h from 182° (S). Destroying wave quality. Offshore range: 50°-130°.
Poor conditions at Nusa Left (Karanas). Either swell direction (329°), size (0.7m), or wind (7 km/h from 182°) is unfavorable. Consider other spots or wait for better conditions.
0.7m (2.3ft) swell from 329° (NNW) at 15s period
No alignment: Swell from 328° is outside workable range 240°-300°. Wrong swell direction for this spot.
Good period: 16s is 133% of ideal 12s. Clean, powerful groundswell.
Onshore/cross-shore: 15 km/h from 154° (SSE). Destroying wave quality. Offshore range: 50°-130°.
Poor conditions at Nusa Left (Karanas). Either swell direction (328°), size (0.7m), or wind (15 km/h from 154°) is unfavorable. Consider other spots or wait for better conditions.
0.7m (2.3ft) swell from 328° (NNW) at 16s period
Very low confidence (8-10 day forecast, conditions may change)
Onshore/cross-shore: 12 km/h from 184° (S). Destroying wave quality. Offshore range: 50°-130°.
Poor conditions at Nusa Left (Karanas). Either swell direction (328°), size (0.7m), or wind (12 km/h from 184°) is unfavorable. Consider other spots or wait for better conditions.
No alignment: Swell from 343° is outside workable range 240°-300°. Wrong swell direction for this spot.
Onshore/cross-shore: 16 km/h from 161° (SSE). Destroying wave quality. Offshore range: 50°-130°.
-5 points: Short-period windswell is present, creating choppy, disorganized conditions.
Poor conditions at Nusa Left (Karanas). Either swell direction (343°), size (0.6m), or wind (16 km/h from 161°) is unfavorable. Consider other spots or wait for better conditions.
0.6m (2.0ft) swell from 343° (NNW) at 15s period
Local wind-generated waves (choppy, short-period)
Open-Meteo Weather API (wind/weather data)