Surf Forecasts:
How big are the waves at Ammonias today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 6.5ft (2.0m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 6.5ft (2.0m), 7s period with ENE swell.
- Evening surf: Evening surf (18 Oct, local time) - 7ft (2.1m), 7s period with ENE swell.
The current surf forecast for Ammonias at 4AM is: 2.2m 7s primary swell from a East-northeast direction and 0.5m 13s secondary swell from a South direction (forecast issued at 01:00am October 18). An open ocean swell of 0.7m 13s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 6.5ft (2.0m) | 7s |
| Afternoon (18 Oct) | 6.5ft (2.0m) | 7s |
| Evening (18 Oct) | 7ft (2.1m) | 7s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Sun morning. Warm (max 26°C on Sun morning, min 24°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | ||||||||||||||||||||||
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 | 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) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 433 | 472 | 456 | 417 | 404 | 366 | 394 | 512 | 623 | 576 | 605 | 671 | 568 | 536 | 536 | 585 | 707 | 707 | 569 | 462 | 509 | 570 | 655 | 605 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross |
High Tide | 10:27AM0.54m | 11:33PM0.23m | 11:20AM0.54m | 00:18AM0.28m | 12:01PM0.53m | |||||||||||||||||||
Low Tide | 1:24AM0.17m | 6:57PM0.17m | 3:13AM0.19m | 6:54PM0.16m | 4:43AM0.19m | 7:00PM0.13m | ||||||||||||||||||
 | |  |  | | | |  | |  | |  | | | | | | | | | |  |  | | |
 | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | 1 | 1 | 1 | — | — | — | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 24 | 25 | 24 | 25 | 25 | 25 | 24 | 25 | 24 | 24 | 25 | 24 | 25 | 25 | 25 | 25 | 24 |
Feels °C | 23 | 23 | 24 | 24 | 24 | 25 | 23 | 22 | 24 | 22 | 23 | 23 | 24 | 22 | 24 | 22 | 22 | 24 | 22 | 23 | 23 | 23 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | N 13 | N 13 | N 12 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | N 10 | N 10 | N 10 | SW 16 |
| kJ | 123 | 212 | 196 | 184 | 177 | 134 | 127 | 119 | 85 | 83 | 84 | 98 | 68 | 66 | 64 | 61 | 38 | 37 | 36 | 35 | 33 | 18 | 18 | 63 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | SW 17 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 16 | SW 16 | SW 16 | SE 8 | SW 15 | SW 15 | N 10 |
| kJ | 85 | 84 | 84 | 83 | 83 | 52 | 28 | 70 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 41 | 64 | 65 | 64 | 11 | 56 | 60 | 17 |
Swell 3 Height (m) Direction Period (s) | NNW 10 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | SE 8 | SE 8 | SW 17 | SW 17 | SW 17 | SSW 16 | SE 9 | SE 9 | SW 16 | SW 16 | SW 16 | S 11 | S 11 | SE 9 | S 11 | S 11 | S 11 | S 11 |
| kJ | 32 | 52 | 51 | 46 | 44 | 43 | 17 | 18 | 72 | 74 | 74 | 25 | 12 | 12 | 61 | 64 | 64 | 22 | 21 | 12 | 20 | 21 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 433 | 472 | 456 | 417 | 404 | 366 | 394 | 512 | 623 | 576 | 605 | 671 | 568 | 536 | 536 | 585 | 707 | 707 | 569 | 462 | 509 | 570 | 655 | 605 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 46 | 31 | 16 | 38 | 299 | 299 | 126 | 16 | 46 | 38 | 46 | 33 | 33 | 33 | 126 | 46 | 38 | 16 | 33 | 33 | 33 | 33 | 16 | 16 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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