Surf Forecasts:
How big are the waves at Ammonias today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 7ft (2.1m), 7s period with SSE swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 5.5ft (1.7m), 6s period with S swell.
- Evening surf: Evening surf (30 Sep, local time) - 5ft (1.5m), 6s period with SSE swell.
The current surf forecast for Ammonias at 9PM is: 1.5m 6s primary swell from a South-southeast direction and 1.0m 8s secondary swell from a East direction (forecast issued at 01:00pm September 30). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 7ft (2.1m) | 7s |
| Afternoon (30 Sep) | 5.5ft (1.7m) | 6s |
| Evening (30 Sep) | 5ft (1.5m) | 6s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 50mm), heaviest during Thu afternoon. Warm (max 26°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||||
Wed 30 | Thursday 1 | Friday 2 | |||||||||||||||||||
11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSE 7 | S 6 | E 14 | SSW 14 | SSE 6 | SSE 6 | E 8 | E 14 | E 13 | SSE 12 | ENE 7 | ENE 7 | ENE 7 | SSW 14 | ENE 7 | S 14 | ENE 7 | ENE 7 | WSW 8 | WSW 8 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 332 | 235 | 196 | 155 | 160 | 135 | 118 | 144 | 125 | 99 | 86 | 86 | 86 | 213 | 86 | 150 | 93 | 93 | 73 | 68 | 176 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on |
High Tide | 4:45PM0.27m | 7:45AM0.63m | 9:06AM0.62m | ||||||||||||||||||
Low Tide | 1:46PM0.24m | 11:31PM0.02m | 00:20AM0.05m | ||||||||||||||||||
 | | |  | | | | | | | | |  | | |  | | | | |  | |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | 5 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 4 | 5 | 4 | 2 | 1 | 2 | 3 | 3 | 1 | 1 | 1 | 1 | — |
Temp °C | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 25 | 26 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 28 | 29 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | W 10 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | SSE 6 | SSE 6 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | SSE 6 | ENE 6 |
| kJ | 290 | 121 | 121 | 121 | 121 | 121 | 118 | 96 | 71 | 91 | 86 | 67 | 64 | 109 | 86 | 79 | 93 | 93 | 66 | 54 | 56 |
Swell 2 Height (m) Direction Period (s) | E 8 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | WSW 8 | WSW 8 | WSW 8 | ENE 7 | ENE 7 | SSE 6 | SSE 6 | WSW 7 | SSE 6 | SSE 6 | SSE 6 | ENE 6 | SSE 6 |
| kJ | 121 | 140 | 92 | 64 | 61 | 58 | 63 | 86 | 68 | 62 | 44 | 86 | 86 | 48 | 45 | 41 | 53 | 62 | 57 | 68 | 43 |
Swell 3 Height (m) Direction Period (s) | E 14 | E 14 | E 14 | SSW 14 | E 13 | SSE 13 | SSE 13 | E 14 | E 13 | SSE 12 | SE 12 | WSW 7 | WSW 7 | SSW 14 | WSW 7 | S 14 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | SSW 13 |
| kJ | 191 | 194 | 186 | 140 | 127 | 109 | 106 | 144 | 125 | 99 | 72 | 42 | 42 | 213 | 40 | 150 | 61 | 69 | 73 | 65 | 176 |
Wind waves Height (m) Direction Period (s) | SSE 7 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | S 6 | — | — | SSE 6 | — | SSE 6 | SSE 6 | — | — | — | — |
| kJ | 332 | 235 | 196 | 155 | 160 | 135 | 104 | 83 | 80 | 64 | 64 | — | — | 59 | — | 43 | 63 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 33 | 33 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 38 | 16 | 16 | 31 | 33 | 33 | 38 | 32 | 16 | 16 | 14 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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