Surf Forecasts:
How big are the waves at Grandma's today (04 Oct):
- Morning surf: Morning surf (04 Oct, local time) - 1.5ft (0.4m), 20s period with SSW swell.
- Afternoon surf: Afternoon surf (04 Oct, local time) - 1.5ft (0.4m), 19s period with SSW swell.
- Evening surf: Evening surf (04 Oct, local time) - 2ft (0.6m), 19s period with SSW swell.
The current surf forecast for Grandma's at 6AM is: 0.3m 20s primary swell from a South-southwest direction and 0.5m 12s secondary swell from a South direction (forecast issued at 01:00am October 04). The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Oct) | 1.5ft (0.4m) | 20s |
| Afternoon (04 Oct) | 1.5ft (0.4m) | 19s |
| Evening (04 Oct) | 2ft (0.6m) | 19s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sun morning, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 4 | Monday 5 | Tuesday 6 | ||||||||||||||||||||||
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) | S 12 | S 12 | S 12 | SSW 20 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 69 | 76 | 77 | 128 | 124 | 205 | 277 | 260 | 249 | 240 | 315 | 311 | 300 | 280 | 273 | 266 | 263 | 263 | 256 | 246 | 234 | 228 | 288 | 284 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | off | off | off | off | glassy | glassy | glassy | glassy | cross-off | glassy |
High Tide | 11:20AM0.76m | 00:07AM0.36m | 12:15PM0.75m | 1:01AM0.43m | 1:05PM0.73m | |||||||||||||||||||
Low Tide | 3:33AM0.14m | 6:39PM0.12m | 4:55AM0.14m | 7:14PM0.09m | 6:08AM0.14m | 7:43PM0.07m | ||||||||||||||||||
 | |  | |  | | | | | | | | | | | | | | | | |  |  | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 25 | 28 | 27 | 27 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 26 | 25 | 24 | 24 | 23 | 24 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 25 | 24 | 24 | 28 | 28 | 26 | 24 | 24 | 24 | 24 | 25 | 29 | 28 | 25 | 25 | 24 | 25 | 25 | 26 | 28 | 28 | 29 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 69 | 69 | 70 | 71 | 70 | 205 | 277 | 260 | 249 | 240 | 315 | 311 | 300 | 280 | 273 | 266 | 263 | 263 | 256 | 246 | 234 | 228 | 288 | 284 |
Swell 2 Height (m) Direction Period (s) | W 7 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | S 12 | S 12 | S 11 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | NW 12 | NW 12 | NW 11 | NNW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 |
| kJ | 9 | 76 | 77 | 128 | 124 | 70 | 69 | 65 | 40 | 58 | 37 | 37 | 37 | 37 | 35 | 34 | 31 | 47 | 30 | 30 | 46 | 37 | 43 | 35 |
Swell 3 Height (m) Direction Period (s) | SSW 21 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | ESE 6 | ESE 5 | NNE 7 | NNE 7 | NW 13 | NW 12 | NW 12 | S 11 | S 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | S 11 | S 11 | NW 18 | NW 18 |
| kJ | 42 | 12 | 12 | 12 | 12 | 11 | 10 | 7 | 2 | 11 | 11 | 42 | 39 | 37 | 37 | 20 | 22 | 22 | 22 | 39 | 21 | 20 | 80 | 79 |
Wind waves Height (m) Direction Period (s) | NNE 8 | — | E 5 | E 5 | E 5 | E 5 | E 6 | NNE 8 | NNE 8 | E 5 | E 5 | E 5 | E 5 | — | E 7 | E 4 | E 4 | E 4 | E 4 | — | — | E 6 | E 6 | E 6 |
| kJ | 23 | — | 53 | 52 | 71 | 109 | 77 | 19 | 19 | 50 | 51 | 54 | 67 | — | 71 | 28 | 25 | 13 | 31 | — | — | 28 | 36 | 36 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 4 | 12 | 12 | 12 | 12 | 12 | 4 | 4 | 4 | 12 | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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