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Surf Forecasts:
E-Bay surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 am Monday 18 May 2026 WIBForecast update in hr min s Forecast update imminent
E-Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's E-Bay sea temperature is
30.3° C
(Which is slightly warmer than usual)How big are the waves at E-Bay today?
The current surf forecast for E-Bay at 11AM is: 1.1m 15s primary swell from a South direction (forecast issued at 06:00am May 18). An open ocean swell of 0.4m 8s is not directed at the surf break, a second open ocean swell of 0.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3.5ft (1.1m) | 15s |
| Afternoon (18 May) | 4ft (1.2m) | 15s |
| Evening (18 May) | 4ft (1.2m) | 14s |
Table - waves today at E-Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Mon night. Warm (max 29°C on Mon morning, min 27°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | SW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | |
755 | 628 | 551 | 662 | 574 | 503 | 569 | 569 | 569 | 537 | 506 | 498 | 490 | 212 | 156 | 146 | 141 | 190 | 175 | 169 | 166 | 166 | 152 | 150 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross | glassy | glassy | glassy | glassy | |
High Tide | 6:58AM1.38m | 7:26PM0.80m | 7:44AM1.36m | 8:14PM0.77m | 8:33AM1.30m | 9:07PM0.74m | ||||||||||||||||||
Low Tide | 1:33PM-0.04m | 00:57AM-0.01m | 2:21PM-0.01m | 1:42AM0.03m | 3:10PM0.04m | |||||||||||||||||||
 |  | |  | |  |  | | | | | | | | | | | | |  | | | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | 6:18 |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | 6:20 |
— | 1 | 1 | — | — | 1 | — | 1 | 3 | 3 | 1 | 1 | 2 | 1 | 1 | 1 | — | — | — | — | 1 | 2 | — | — | |
Temp °C | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 28 |
32 | 32 | 31 | 33 | 32 | 34 | 32 | 33 | 32 | 32 | 34 | 33 | 34 | 33 | 33 | 32 | 32 | 32 | 32 | 33 | 34 | 33 | 33 | 33 | |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 12 | SSE 11 | SSE 11 |
 kJ | 755 | 628 | 551 | 662 | 574 | 503 | 569 | 569 | 569 | 537 | 506 | 498 | 490 | 120 | 147 | 115 | 106 | 103 | 106 | 79 | 79 | 224 | 187 | 119 |
Swell 2 Height (m) Direction Period (s) | SSW 21 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 16 | SSW 15 | S 8 |
| kJ | 45 | 22 | 24 | 22 | 22 | 33 | 50 | 80 | 111 | 79 | 79 | 69 | 66 | 212 | 156 | 146 | 141 | 141 | 104 | 141 | 101 | 166 | 152 | 51 |
Swell 3 Height (m) Direction Period (s) | SW 21 | SW 21 | SSW 12 | SW 20 | SW 19 | SSW 19 | W 8 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | SSW 20 | SW 16 | SW 16 | SW 16 | SW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | WNW 7 | WNW 7 | SSW 15 |
| kJ | 72 | 18 | 47 | 60 | 59 | 37 | 35 | 34 | 34 | 34 | 22 | 22 | 38 | 125 | 129 | 130 | 138 | 190 | 175 | 169 | 166 | 11 | 5 | 150 |
Wind waves Height (m) Direction Period (s) | — | — | ESE 7 | ESE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 113 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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