Surf Forecasts:
Grindavik Antenas surf forecast from 16 Oct 2026:
- Best quality surf: Sunday 18 Oct, 12AM (local time) - 20ft (6.0m), 13s period, SSW swell with cross-onshore winds.
- Most powerful swell: Sunday 18 Oct, 6PM (local time) - 33ft (10.0m), 15s period, SW swell with 45,512 kJ wave energy.
- Next surfable swell (1★+): Sunday 18 Oct, 12AM (local time) - 20ft (6.0m), 13s period with SSW swell.
Best Forecast Surf Conditions for Grindavik Antenas this week:
The surf forecast for Grindavik Antenas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 18) at 12AM. The primary swell is predicted to be 6.0m and 13s period with a secondary swell of 4.0m and 13s. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Grindavik Antenas in the next 16 days are 10.0m 15s and forecast to arrive on Sunday (Oct 18) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 9s period and expected on Saturday (Oct 17) at 6PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Sun 18th Oct) | 20ft (6.0m) 13s |
| Best Surf | 12AM (Sun 18th Oct) | 20ft (6.0m) 13s |
| Most Powerful | 6PM (Sun 18th Oct) | 33ft (10.0m) 15s |
Table - best surf conditions forecast for Grindavik Antenas over the next 16 days.
Short Range ForecastModerate rain (total 18mm), heaviest on Sat afternoon. Very mild (max 10°C on Sat night, min 4°C on Thu afternoon). Winds increasing (light winds from the WNW on Thu afternoon, gales from the SE by Sat afternoon). | Days 5-7 Weather SummaryHeavy rain (total 22mm), heaviest during Sun afternoon. Mild temperatures (max 9°C on Sun afternoon, min 5°C on Wed morning). Winds decreasing (severe gales from the S on Sun afternoon, light winds from the S by Tue night). | |||||||||||||||||||
Thu 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | WSW 10 | SW 11 | SW 10 | S 9 | SSW 13 | SW 13 | SSW 13 | SW 15 | SW 14 | WSW 14 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2233 | 1899 | 1268 | 1267 | 1915 | 587 | 2107 | 10942 | 16959 | 29532 | 37600 | 20176 | 11722 | 9278 | 7237 | 5255 | 3803 | 2457 | 1456 | 724 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | on | cross-on | cross-on | cross-on |
High Tide | 8:37PM2.59m | 9:00AM2.77m | 9:14PM2.37m | 9:44AM2.54m | 10:01PM2.16m | 10:45AM2.33m | 11:17PM1.99m | 12:17PM2.21m | 1:09AM1.97m | 1:51PM2.26m | 2:32AM2.13m | 2:54PM2.42m | ||||||||
Low Tide | 2:40AM0.65m | 3:16PM0.86m | 3:18AM0.87m | 4:04PM1.08m | 4:07AM1.08m | 5:15PM1.25m | 5:26AM1.23m | 7:01PM1.27m | 7:14AM1.23m | 8:25PM1.11m | 8:34AM1.06m | 9:16PM0.87m | ||||||||
 |  |  | | | |  |  |  | |  | | |  | |  |  | | | | |
 | — | — | 8:19 | — | — | 8:22 | — | — | 8:26 | — | — | 8:29 | — | — | 8:32 | — | — | 8:34 | — | — |
 | 6:12 | — | — | 6:08 | — | — | 6:05 | — | — | 6:01 | — | — | 5:59 | — | — | 5:54 | — | — | 5:52 | — |
mm | — | — | — | — | — | — | 7 | 7 | 4 | 8 | — | 1 | 4 | 4 | 2 | 1 | 1 | 1 | 6 | — |
Temp °C | 6 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 8 | 9 | 9 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 6 |
Feels °C | 0 | 0 | 0 | 0 | 4 | -1 | -6 | -3 | -3 | -7 | -5 | -4 | -3 | -2 | -3 | -2 | 0 | -2 | -4 | -1 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | SW 12 | SW 11 | SW 10 | SW 16 | SW 13 | — | — | — | SW 14 | WSW 14 | WSW 13 | WSW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 10 |
| kJ | 2233 | 1899 | 1268 | 590 | 1915 | 587 | 66 | 5989 | — | — | — | 20176 | 11722 | 5720 | 4176 | 5255 | 3803 | 2457 | 1456 | 724 |
Swell 2 Height (m) Direction Period (s) | NW 7 | WSW 14 | WSW 13 | WSW 12 | — | SW 11 | W 17 | — | — | — | — | — | S 11 | — | — | SSE 9 | SSE 8 | ESE 10 | SE 8 | SE 7 |
| kJ | 63 | 41 | 189 | 224 | — | 60 | 6 | — | — | — | — | — | 1459 | — | — | 286 | 169 | 38 | 35 | 19 |
Swell 3 Height (m) Direction Period (s) | NW 12 | — | E 10 | — | — | SSW 12 | — | — | — | — | — | — | — | — | — | — | S 15 | — | S 13 | W 12 |
| kJ | 6 | — | 2 | — | — | 30 | — | — | — | — | — | — | — | — | — | — | 4 | — | 3 | 3 |
Wind waves Height (m) Direction Period (s) | NW 7 | WSW 5 | WSW 8 | WSW 10 | — | S 6 | S 9 | SSW 13 | SW 13 | SSW 13 | SW 15 | SW 14 | — | SW 13 | SW 12 | — | — | — | — | — |
| kJ | 132 | 39 | 584 | 1267 | — | 160 | 2107 | 10942 | 16959 | 29532 | 37600 | 15633 | — | 9278 | 7237 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 54 | 1184 | 1736 | 1109 | 349 | 349 | 1040 | 1109 | 1109 | 1127 | 1109 | 1153 | 349 | 1044 | 349 | 30 | 34 | 43 | 43 |
Best forecast wave conditions in Reykjanes Peninsula | ||||||||||||||||||||
Best forecast wave conditions in Iceland | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Grindavik Antenas Surf forecast
The above surf forecast table for Grindavik Antenas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Grindavik Antenas can be found by selecting the local surf guide option on the grey menu. Our Grindavik Antenas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Grindavik Antenas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Grindavik Antenas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Grindavik Antenas is 2 km (1 miles) from Grindavik. If you plan a holiday in Reykjanes Peninsula, look for hotels and other accommodation in Grindavik. Grindavik has rooms for a wide range of budgets as well as car hire and transport links.
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