Surf Forecasts:
How big are the waves at Ammonias today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 8ft (2.5m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 7ft (2.2m), 8s period with ENE swell.
- Evening surf: Evening surf (19 Oct, local time) - 7ft (2.2m), 8s period with ENE swell.
The current surf forecast for Ammonias at 1AM is: 2.3m 8s primary swell from a East-northeast direction and 0.4m 17s secondary swell from a Southwest direction (forecast issued at 07:00pm October 18). An open ocean swell of 0.6m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 8ft (2.5m) | 8s |
| Afternoon (19 Oct) | 7ft (2.2m) | 8s |
| Evening (19 Oct) | 7ft (2.2m) | 8s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Tue morning. Warm (max 26°C on Wed afternoon, min 24°C on Sun night). Mainly fresh winds. | |||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | |||||||||||||||||
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 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 | 420 | 574 | 572 | 655 | 672 | 783 | 725 | 688 | 563 | 549 | 637 | 636 | 620 | 555 | 555 | 555 | 555 | 555 | 528 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross-on |
High Tide | 11:33PM0.23m | 11:20AM0.54m | 00:18AM0.28m | 12:01PM0.53m | |||||||||||||||
Low Tide | 6:57PM0.17m | 3:13AM0.19m | 6:54PM0.16m | 4:43AM0.19m | 7:00PM0.13m | ||||||||||||||
 |  |  | | |  |  | | |  | | | | | | | | |  | |
 | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | 1 | — | 1 | 1 | — | 1 | 1 | 1 | — | — | — | — | 2 | 1 | 1 | — | — | 1 |
Temp °C | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 |
Feels °C | 24 | 23 | 23 | 23 | 22 | 23 | 23 | 24 | 23 | 24 | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | 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 | SE 8 | N 10 |
| kJ | 134 | 127 | 119 | 85 | 82 | 86 | 98 | 68 | 67 | 64 | 61 | 38 | 37 | 36 | 35 | 33 | 32 | 17 | 17 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 12 | SW 17 | SW 17 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 16 | SW 16 | SW 16 | SW 16 | S 11 | SW 15 | N 10 | SW 16 |
| kJ | 52 | 28 | 70 | 72 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 64 | 64 | 65 | 64 | 21 | 56 | 18 | 63 |
Swell 3 Height (m) Direction Period (s) | NW 13 | SW 16 | S 12 | S 12 | SW 17 | SW 17 | SSW 16 | SW 15 | SW 15 | SW 16 | SW 16 | S 12 | S 11 | S 11 | S 11 | SSW 15 | SE 8 | SW 15 | S 11 |
| kJ | 43 | 69 | 26 | 25 | 74 | 74 | 53 | 34 | 57 | 61 | 64 | 23 | 22 | 21 | 21 | 21 | 11 | 60 | 21 |
Wind waves Height (m) Direction Period (s) | 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 | 420 | 574 | 572 | 655 | 672 | 783 | 725 | 688 | 563 | 549 | 637 | 636 | 620 | 555 | 555 | 555 | 555 | 555 | 528 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 299 | 299 | 31 | 329 | 46 | 38 | 33 | 31 | 38 | 46 | 38 | 16 | 16 | 33 | 31 | 33 | 33 | 16 | 16 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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