Surf Forecasts:
How big are the waves at Grandma's today (28 Oct):
- Morning surf: Morning surf (28 Oct, local time) - 3ft (0.9m), 15s period with S swell.
- Afternoon surf: Afternoon surf (28 Oct, local time) - 3ft (0.9m), 14s period with S swell.
- Evening surf: Evening surf (28 Oct, local time) - 2.5ft (0.8m), 14s period with S swell.
The current surf forecast for Grandma's at 6AM is: 0.9m 15s primary swell from a South-southwest direction and 0.6m 13s secondary swell from a Northwest direction (forecast issued at 01:00am October 28). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Oct) | 3ft (0.9m) | 15s |
| Afternoon (28 Oct) | 3ft (0.9m) | 14s |
| Evening (28 Oct) | 2.5ft (0.8m) | 14s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 63mm), heaviest during Wed afternoon. Warm (max 26°C on Thu morning, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 28 | Thursday 29 | Friday 30 | ||||||||||||||||||||||
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) | SSW 15 | SSW 15 | SSW 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 18 | S 13 | S 13 | S 16 | S 16 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 375 | 360 | 355 | 343 | 333 | 257 | 239 | 229 | 222 | 222 | 229 | 620 | 620 | 612 | 612 | 551 | 411 | 508 | 508 | 496 | 423 | 411 | 377 | 356 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | glassy | glassy | off | off | cross-off | off | cross-off | off | off | off | off | cross-off | off | off | off | off | cross-off | cross-off | off | off | off |
High Tide | 5:41AM0.84m | 5:29PM0.30m | 6:34AM0.83m | 6:35PM0.26m | 7:33AM0.80m | 8:02PM0.25m | ||||||||||||||||||
Low Tide | 12:38PM0.13m | 10:54PM0.00m | 1:48PM0.14m | 11:42PM0.04m | 3:02PM0.13m | |||||||||||||||||||
 |  |  | | |  |  | |  | |  | | | | | | |  |  | | | | | | |
 | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 6 | 4 | 2 | 3 | 5 | 27 | 24 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 25 | 24 | 24 | 23 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 25 | 24 | 24 |
Feels °C | 27 | 28 | 29 | 30 | 29 | 26 | 25 | 26 | 26 | 26 | 28 | 28 | 28 | 28 | 27 | 25 | 24 | 25 | 24 | 27 | 27 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 16 | S 16 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 |
| kJ | 375 | 360 | 355 | 343 | 333 | 257 | 239 | 229 | 171 | 222 | 229 | 620 | 620 | 612 | 612 | 551 | 411 | 508 | 508 | 496 | 423 | 411 | 377 | 356 |
Swell 2 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | NW 13 | N 10 | N 9 | NW 12 | NNE 10 | S 18 | S 17 | S 17 | NNE 11 | NNE 11 | NW 11 | NW 11 | NNE 10 | SW 16 | NNE 10 | SSW 18 | SSW 18 | NNE 10 | N 6 | N 6 | NNE 9 |
| kJ | 108 | 108 | 108 | 82 | 49 | 44 | 51 | 52 | 222 | 215 | 202 | 40 | 38 | 19 | 19 | 35 | 42 | 19 | 31 | 31 | 31 | 10 | 6 | 27 |
Swell 3 Height (m) Direction Period (s) | N 9 | N 9 | N 9 | N 10 | NW 12 | NW 12 | SSW 18 | S 18 | NNE 11 | NW 12 | NW 12 | NW 11 | NW 11 | W 15 | W 12 | NW 11 | SSW 6 | SW 18 | NW 10 | NW 10 | SSW 18 | NNE 9 | NNE 9 | SE 5 |
| kJ | 25 | 25 | 25 | 49 | 77 | 52 | 104 | 158 | 41 | 36 | 35 | 20 | 19 | 19 | 11 | 19 | 7 | 50 | 4 | 4 | 31 | 17 | 16 | 5 |
Wind waves Height (m) Direction Period (s) | E 4 | ESE 4 | E 4 | E 4 | E 5 | — | NNE 9 | ESE 5 | SSE 4 | E 6 | E 6 | E 6 | E 6 | N 11 | NNE 10 | NNE 3 | NNE 10 | NNE 4 | NNE 10 | NNE 10 | E 5 | ESE 5 | E 5 | E 5 |
| kJ | 7 | 5 | 8 | 16 | 28 | — | 49 | 21 | 4 | 106 | 67 | 75 | 50 | 57 | 63 | 3 | 78 | 11 | 85 | 55 | 62 | 43 | 90 | 59 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 4 | 4 | 4 | 4 | 4 | 12 | 4 | 4 | 4 | 4 | 12 | 4 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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