Surf Forecasts:
How big are the waves at Grandma's today (25 Oct):
- Morning surf: Morning surf (25 Oct, local time) - 2ft (0.6m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (25 Oct, local time) - 2.5ft (0.8m), 17s period with SSW swell.
- Evening surf: Evening surf (25 Oct, local time) - 2.5ft (0.7m), 16s period with SSW swell.
The current surf forecast for Grandma's at 1PM is: 0.8m 17s primary swell from a South-southwest direction (forecast issued at 07:00am October 25). An open ocean swell of 0.6m 11s is not directed at the surf break, a second open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Oct) | 2ft (0.6m) | 18s |
| Afternoon (25 Oct) | 2.5ft (0.8m) | 17s |
| Evening (25 Oct) | 2.5ft (0.7m) | 16s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Tue night. Warm (max 26°C on Sun morning, min 22°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 25 | Monday 26 | Tuesday 27 | |||||||||||||||||||||
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) | SSW 17 | SSW 18 | SSW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 16 | S 16 | S 16 | S 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 237 | 240 | 83 | 381 | 346 | 269 | 269 | 266 | 253 | 231 | 225 | 360 | 360 | 355 | 213 | 254 | 189 | 243 | 193 | 190 | 188 | 186 | 416 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | glassy | glassy | glassy | off | off | off | off | off | glassy | glassy | cross-off | off | cross-off |
High Tide | 3:29AM0.75m | 3:17PM0.45m | 4:09AM0.80m | 3:56PM0.39m | 4:53AM0.83m | 4:39PM0.34m | |||||||||||||||||
Low Tide | 9:45AM0.12m | 8:59PM-0.02m | 10:39AM0.12m | 9:33PM-0.02m | 11:36AM0.13m | 10:11PM-0.02m | |||||||||||||||||
 |  |  | | | | | | | | | | | | | | | | |  |  |  |  | |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 9 |
Temp °C | 23 | 24 | 26 | 26 | 25 | 24 | 23 | 23 | 23 | 24 | 26 | 26 | 25 | 24 | 24 | 23 | 24 | 24 | 26 | 26 | 26 | 24 | 23 |
Feels °C | 23 | 24 | 26 | 27 | 24 | 23 | 23 | 23 | 23 | 25 | 28 | 28 | 27 | 25 | 25 | 24 | 26 | 26 | 29 | 29 | 29 | 27 | 25 |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NNW 11 | NNW 11 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NW 14 | NW 14 | NW 14 | NW 14 | SSW 16 |
| kJ | 107 | 100 | 93 | 381 | 346 | 269 | 269 | 266 | 253 | 231 | 225 | 360 | 360 | 355 | 213 | 254 | 189 | 243 | 164 | 162 | 160 | 147 | 416 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 18 | SSW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | N 10 | N 10 | N 10 | N 9 | N 9 | NW 15 | NW 15 | NW 15 | NW 14 | S 16 | S 16 | SSW 13 | SSW 13 | NW 13 |
| kJ | 237 | 240 | 83 | 93 | 97 | 90 | 88 | 88 | 83 | 71 | 70 | 67 | 64 | 61 | 183 | 181 | 178 | 214 | 193 | 190 | 133 | 133 | 140 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | SSW 16 | NE 8 | E 12 | SSW 11 | S 11 | S 11 | S 11 | SSW 11 | S 11 | NW 16 | NW 16 | NNW 16 | N 9 | N 9 | N 10 | N 9 | N 9 | N 9 | S 16 | S 16 | N 9 |
| kJ | 73 | 72 | 80 | 3 | 3 | 41 | 64 | 64 | 64 | 42 | 66 | 132 | 130 | 173 | 60 | 61 | 65 | 62 | 43 | 42 | 188 | 186 | 27 |
Wind waves Height (m) Direction Period (s) | N 6 | NNE 4 | NNE 4 | N 3 | N 4 | NNE 4 | NNE 4 | — | — | — | — | — | — | — | — | — | ESE 4 | ESE 3 | ESE 7 | E 7 | NE 3 | NNE 3 | NNE 3 |
| kJ | 17 | 10 | 11 | 6 | 14 | 11 | 5 | — | — | — | — | — | — | — | — | — | 2 | 3 | 15 | 23 | 2 | 4 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 12 | 12 | 4 | 4 | 12 | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 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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