Surf Forecasts:
How big are the waves at Crab Island today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 11ft (3.5m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 10ft (3.0m), 12s period with W swell.
- Evening surf: Evening surf (21 Oct, local time) - 8ft (2.4m), 12s period with W swell.
The current surf forecast for Crab Island at 5AM is: 4.0m 12s primary swell from a West-northwest direction (forecast issued at 12:00am October 21). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 11ft (3.5m) | 12s |
| Afternoon (21 Oct) | 10ft (3.0m) | 12s |
| Evening (21 Oct) | 8ft (2.4m) | 12s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 41mm), heaviest during Thu night. Very mild (max 11°C on Wed morning, min 8°C on Thu night). Winds decreasing (gales from the NW on Tue night, light winds from the SW by Thu morning). | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||||
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 | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | WNW 11 | WNW 11 | WNW 10 | W 9 | W 11 | W 12 | W 12 | W 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 6023 | 4779 | 4407 | 3346 | 3061 | 2391 | 2032 | 1764 | 1607 | 1581 | 1324 | 1144 | 1104 | 966 | 872 | 875 | 1152 | 1752 | 1537 | 1827 | 2966 | 4109 | 4657 | 4728 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | cross | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | on | on | on | on |
High Tide | 2:21AM3.11m | 2:32PM3.35m | 3:11AM3.40m | 3:20PM3.62m | 3:52AM3.72m | 4:01PM3.91m | ||||||||||||||||||
Low Tide | 8:41AM1.55m | 9:09PM1.13m | 9:25AM1.24m | 9:45PM0.81m | 10:01AM0.91m | |||||||||||||||||||
 | |  |  | | | | | | |  | |  | | |  | | |  |  | | | | | |
 | — | — | 8:12 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — |
 | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 1 | 1 | — | 1 | 1 | 1 | 3 | 11 | 5 | 1 | — | — | 1 | 1 | 1 | 1 |
Temp °C | 9 | 10 | 10 | 10 | 11 | 11 | 10 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 9 | 8 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 |
Feels °C | -4 | -2 | -3 | -1 | 2 | 3 | 3 | 4 | 3 | 3 | 6 | 7 | 7 | 7 | 3 | 1 | -1 | -3 | -3 | -2 | -1 | -1 | 0 | 2 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 12 | W 11 | W 11 | W 11 | W 11 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1144 | 1104 | 966 | 872 | 875 | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 15 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 40 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | — | — | — | — | — | WNW 11 | WNW 11 | WNW 10 | W 9 | W 11 | W 12 | W 12 | W 13 |
| kJ | 6023 | 4779 | 4407 | 3346 | 3061 | 2391 | 2032 | 1764 | 1607 | 1581 | 1324 | — | — | — | — | — | 1152 | 1752 | 1537 | 1827 | 2966 | 4109 | 4657 | 4728 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 159 | 215 | 264 | 287 | 349 | 508 | 162 | 138 | 138 | 138 | 97 | 16 | 16 | 11 | 12 | 147 | 291 | 309 | 354 | 565 | 565 | 680 | 1039 | 604 |
Best forecast wave conditions in Clare | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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