Ammonias Surf Report & Forecast
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Current Surf Conditions at Ammonias
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🌊 Surf Quality Timeline (Week)
Best windows in greenSELECT DAY
🌊 Surf Quality Timeline
Best windows in green🌬️ WIND
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🌊 SWELL
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📊 7-Day Detailed Forecast
Expandable daily forecasts with hourly details| Time | Quality | Swell Height | Period | Swell Dir | Wind Speed | Wind Dir | Gusts | Air Temp | Water Temp | Rain |
|---|---|---|---|---|---|---|---|---|---|---|
| 12:00 AM | FAIR | 1ft | 10s | NE | 5kt | NE | 10kt | 17°C | 24°C | 0mm |
| 1:00 AM | FAIR | 1ft | 11s | N | 5kt | NE | 9kt | 17°C | 24°C | 0mm |
| 2:00 AM | FAIR | 1ft | 12s | NNW | 5kt | NE | 8kt | 17°C | 24°C | 0mm |
| 3:00 AM | POOR | 1ft | 12s | NNW | 5kt | NE | 8kt | 17°C | 24°C | 0mm |
| 4:00 AM | POOR | 1.1ft | 12s | NNW | 5kt | NNE | 7kt | 16°C | 24°C | 0mm |
| 5:00 AM | POOR | 1.2ft | 12s | NNW | 4kt | NNE | 7kt | 16°C | 24°C | 0mm |
| 6:00 AM | POOR | 1.9ft | 10s | N | 5kt | NE | 7kt | 17°C | 24°C | 0mm |
| 7:00 AM | FAIR | 2.7ft | 9s | NE | 5kt | NE | 7kt | 18°C | 24°C | 0mm |
| 8:00 AM | FAIR | 3.4ft | 7s | ENE | 5kt | ENE | 7kt | 18°C | 24°C | 0mm |
| 9:00 AM | FAIR | 2.8ft | 9s | NE | 6kt | ENE | 7kt | 20°C | 24°C | 0mm |
| 10:00 AM | GOOD | 2.2ft | 10s | NNE | 6kt | ENE | 7kt | 21°C | 24°C | 0mm |
| 11:00 AM | FAIR | 1.6ft | 11s | N | 6kt | E | 6kt | 23°C | 24°C | 0mm |
| 12:00 PM | FAIR | 1.6ft | 11s | N | 7kt | E | 7kt | 23°C | 24°C | 0mm |
| 1:00 PM | FAIR | 1.6ft | 11s | N | 8kt | E | 7kt | 23°C | 24°C | 0mm |
| 2:00 PM | POOR | 1.6ft | 11s | N | 8kt | E | 7kt | 24°C | 24°C | 0mm |
| 3:00 PM | FAIR | 1.6ft | 10s | N | 7kt | E | 7kt | 23°C | 24°C | 0mm |
| 4:00 PM | FAIR | 1.6ft | 10s | N | 6kt | E | 7kt | 22°C | 24°C | 0mm |
| 5:00 PM | POOR | 1.6ft | 10s | N | 6kt | E | 7kt | 22°C | 24°C | 0.1mm |
| 6:00 PM | POOR | 1.6ft | 10s | NNW | 6kt | E | 7kt | 21°C | 24°C | 0.1mm |
| 7:00 PM | POOR | 1.6ft | 10s | NNW | 6kt | E | 8kt | 20°C | 24°C | 0.1mm |
| 8:00 PM | POOR | 1.6ft | 10s | NNW | 6kt | E | 8kt | 19°C | 24°C | 0.1mm |
| 9:00 PM | FAIR | 1.6ft | 10s | NNW | 6kt | E | 8kt | 19°C | 24°C | 0.1mm |
| 10:00 PM | FAIR | 1.6ft | 10s | NNW | 6kt | ENE | 8kt | 19°C | 24°C | 0.1mm |
| 11:00 PM | FAIR | 1.6ft | 10s | NNW | 6kt | ENE | 8kt | 19°C | 24°C | 0.1mm |
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Apr 9Friday
Apr 10Saturday
Apr 11Forecast Summary
Local Knowledge & Surf Guide
Local Knowledge
Ammonias in Kaua‘i is an exposed reef break that offers fairly consistent surf, with ideal conditions typically arriving in spring. The spot works best when a south-southeast swell meets offshore winds from the northwest, creating clean, right-breaking waves over the reef. Both local windswells and distant groundswells contribute to the surf here. While it can get crowded when it's firing, the wave quality generally makes it worth the paddle out. Surfers should be cautious of submerged rocks, especially at lower tides. May is often the prime month for scoring clean, rideable waves at Ammonias.
Ideal Conditions
This spot performs best under these specific conditions. Forecasts take these into account when rating surf quality.
🌊 Tide Table
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