Surf Forecasts:
Fishermans (Rhiw) surf forecast from 16 Jul 2026:
- Most powerful swell: Thursday 16 Jul, 7PM (local time) - 0.5ft (0.1m), 12s period, SW swell with 6 kJ wave energy.
Best Forecast Surf Conditions for Fishermans (Rhiw) this week:
The most powerful waves expected at Fishermans (Rhiw) in the next 16 days are 0.1m 12s and forecast to arrive on Thursday (Jul 16) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Saturday (Jul 18) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Thu 16th Jul) | 0.5ft (0.1m) 12s |
Table - best surf conditions forecast for Fishermans (Rhiw) over the next 16 days.
The Lowdown
Alright, Rusty here again, but this time in feet and degrees Fahrenheit. Let’s talk about Fishermans (Rhiw). It’s a rough one, boys. The charts are bare for the better part of the next week and a half.
The water is a balmy 64°F right now, which is way warmer than usual for this time of year, so at least the swim is nice. But for surf? Forget it. The combined swell energy is a pitiful 9 (weak energy) on Thursday morning, and it barely moves for days. We’re talking ankle-biters at 0.3ft through the 16th, 17th, and 18th. The swell periods are short and the heights are laughable. There’s a long stretch of dead flat water here.
The first real glimmer comes on the 28th of July, Tuesday morning. That’s a long way off, so don’t bank on it. We finally see a 4ft swell from the SW, but the period is only 5 seconds, so it’s junky, short-period windswell. The combined energy is 83 (weak energy), so it’s not powerful. The silver lining is the offshore wind from the NNE at 12 mph, which will keep the surface clean. It’s a reef break, fairly consistent, and the swell direction matches the optimum. The rating says "surfable waves but very ordinary conditions," so it’s not a classic, but it’s all we’ve got. It’s a beginner-friendly spot, so it’s worth a look for a gentle cruise, but don’t expect barrels.
The afternoon of the 28th gets blown out with 22 mph winds, so the morning window is the only chance. After that, it’s back to onshore muck through the end of the month.
So, the only real call is the morning of Tuesday the 28th at Fishermans. It’s not a hero wave, but it’s the only one knocking on the door. Keep your expectations low and your wetsuit handy.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Thu afternoon, min 13°C on Fri night). Winds increasing (calm on Thu morning, fresh winds from the NNW by Sat afternoon). | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Sun afternoon, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||
AM | 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) | SW 14 | SW 14 | W 15 | W 12 | SW 12 | SW 13 | SW 6 | S 5 | W 11 | NNW 4 | NNW 3 | N 3 | W 9 | W 8 | W 8 | NNW 5 | NNW 3 | W 16 | NNW 3 | NNW 4 | NW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 8 | 8 | 6 | 3 | 6 | 6 | 1 | 1 | 2 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 5 | 0 | 0 | 1 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | glassy | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 10:19AM3.97m | 10:38PM4.46m | 11:05AM3.88m | 11:24PM4.39m | 11:50AM3.73m | 00:09AM4.20m | 12:36PM3.54m | 00:55AM3.91m | 1:23PM3.32m | 1:44AM3.57m | 2:14PM3.10m | 2:38AM3.23m | 3:13PM2.92m | 3:43AM2.96m | |||||||
Low Tide | 5:16PM0.18m | 5:51AM-0.10m | 5:59PM0.24m | 6:35AM0.04m | 6:41PM0.39m | 7:19AM0.27m | 7:23PM0.61m | 8:02AM0.55m | 8:07PM0.85m | 8:45AM0.85m | 8:54PM1.09m | 9:33AM1.12m | 9:52PM1.30m | ||||||||
 |  |  | |  |  | | | | | | | | | | | | | | | | |
 | 5:11 | — | — | 5:13 | — | — | 5:15 | — | — | 5:16 | — | — | 5:16 | — | — | 5:18 | — | — | 5:20 | — | — |
 | — | — | 9:35 | — | — | 9:34 | — | — | 9:32 | — | — | 9:30 | — | — | 9:30 | — | — | 9:29 | — | — | 9:28 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 22 | 21 | 20 | 21 | 19 | 13 | 17 | 19 | 17 | 18 | 17 | 13 | 18 | 18 | 15 | 17 | 16 | 14 | 15 | 16 |
Feels °C | 20 | 20 | 17 | 16 | 16 | 14 | 8 | 13 | 16 | 14 | 15 | 13 | 9 | 14 | 14 | 12 | 14 | 13 | 8 | 8 | 12 |
Swell 1 Height (m) Direction Period (s) | ESE 3 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | S 5 | NNW 5 | NNW 4 | — | — | W 9 | W 8 | NNW 4 | NNW 5 | — | W 16 | — | — | NW 6 |
| kJ | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 14 | 2 | — | — | 2 | 1 | 6 | 9 | — | 5 | — | — | 1 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 12 | W 12 | SW 12 | SW 13 | — | — | W 11 | — | — | — | — | — | W 8 | — | — | — | — | — | — |
| kJ | 8 | 8 | 6 | 3 | 6 | 6 | — | — | 2 | — | — | — | — | — | 1 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 6 | W 8 | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 3 | — | N 3 | NNW 3 | NNW 4 | N 4 | NNW 4 | NNW 5 | NE 3 | — | NNW 3 | N 3 | N 5 | NNW 4 | ENE 2 | — | NNW 3 | N 3 | NNW 3 | NNW 4 | NNW 6 |
| kJ | 1 | — | 3 | 1 | 26 | 7 | 16 | 56 | 2 | — | 4 | 6 | 14 | 12 | 1 | — | 6 | 5 | 5 | 26 | 50 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 186 | 184 | 190 | 303 | 319 | 372 | 321 | 297 | 321 | 306 | 309 | 320 | 371 | 216 | 256 | 308 | 309 | 1033 | 431 | 190 | |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Fishermans (Rhiw) Surf forecast
The above surf forecast table for Fishermans (Rhiw) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Fishermans (Rhiw) can be found by selecting the local surf guide option on the grey menu. Our Fishermans (Rhiw) 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 (Fishermans (Rhiw)) 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 Fishermans (Rhiw) 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.
Are you planning a holiday in Lleyn Peninsula? If you are looking for accommodation near Fishermans (Rhiw), camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Porthmadog which is 34 km (21 miles) away. Other places in and around Lleyn Peninsula where you can find information about places to rent, and car hire include Anglesey which is 48 km (30 miles) away, Holyhead, Aberystwyth and Bangor.
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