Surf Forecasts:
Fishermans (Rhiw) surf forecast from 27 Jul 2026:
- Most powerful swell: Thursday 30 Jul, 10PM (local time) - 4.5ft (1.4m), 6s period, SW swell with 152 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 1.4m 6s and forecast to arrive on Thursday (Jul 30) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Monday (Jul 27) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Thu 30th Jul) | 4.5ft (1.4m) 6s |
Table - best surf conditions forecast for Fishermans (Rhiw) over the next 16 days.
The Lowdown
Rusty here again. Let’s talk about what’s happening in feet and degrees Fahrenheit.
It’s a tough outlook. We’re looking at a long stretch with hardly a wave worth chasing. A few small pulses come through, but none of ’em are going to get the heart racing.
The only break we’ve got is Fishermans (Rhiw), a beginner reef that’s usually fairly consistent, but you wouldn’t know it from this forecast. There’s a big gap right from the start, with nothing decent for a full week. The water’s around 63°F, so a touch warmer than normal for the time of year, but that doesn’t do much for the waves.
First sign of anything comes Sunday the 4th of August. On the morning of the 5th of August, we get a pulse of 4ft SW swell with a short period of 6 seconds and moderate energy (106). The wind’s onshore from the S at 16 mph, so it’ll be messy. That afternoon: 3ft SW, 7 seconds, energy up to 166, still onshore from the SSW at 16 mph. Not worth it.
Thursday the 6th of August morning shows 3ft WSW, 7 seconds, moderate energy (102), but cross-onshore from the SSE at 9 mph. Not clean. That afternoon, a glimmer: 3ft WSW, short 4 seconds, low energy (36), but the wind turns cross-offshore from the N at 12 mph. Could be clean, but the swell’s too weak to bother. The best of the whole stretch is probably Friday the 7th of August morning: 4ft SW swell, 6 seconds, moderate energy (104), with clean cross-offshore wind from the NNW at 12 mph. It’s not a standout, just the best of a bad bunch. Crowds can happen here.
After that, it all fades again. Tiny leftovers with no wind to clean them up.
No real standout this time. It’s a dry spell, and for this area, that’s not unusual. Forecasts change, so don’t give up hope yet.
Rusty
Short Range ForecastMostly dry. Very mild (max 18°C on Mon afternoon, min 14°C on Sun night). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Very mild (max 18°C on Wed afternoon, min 13°C on Thu night). Mainly fresh winds. | |||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | ||||||||||||||
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) | WNW 6 | WNW 5 | NW 5 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 4 | WSW 4 | SW 4 | SW 5 | SW 5 | SW 6 | WSW 6 | SW 6 | SW 5 | WSW 5 | SW 5 | WSW 4 |
Wave Graph  | ||||||||||||||||||||
 kJ | 94 | 37 | 20 | 27 | 49 | 52 | 33 | 17 | 4 | 2 | 21 | 87 | 67 | 83 | 25 | 20 | 27 | 10 | 4 | 2 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | on | on | on | on | cross-on | on | on | on | cross | on | cross-off | cross-on | on | cross | cross | on | on |
High Tide | 7:29PM3.16m | 7:52AM3.10m | 8:12PM3.37m | 8:32AM3.26m | 8:49PM3.59m | 9:07AM3.41m | 9:24PM3.79m | 9:40AM3.52m | 9:56PM3.95m | 10:12AM3.60m | 10:28PM4.05m | 10:45AM3.65m | 11:01PM4.09m | |||||||
Low Tide | 2:29AM1.01m | 2:42PM0.97m | 3:09AM0.80m | 3:19PM0.77m | 3:46AM0.61m | 3:53PM0.60m | 4:21AM0.46m | 4:26PM0.49m | 4:56AM0.36m | 5:00PM0.43m | 5:30AM0.33m | 5:33PM0.45m | ||||||||
 |  |  | |  | | |  |  | | | | | | | | | | | | |
 | — | — | 5:28 | — | — | 5:28 | — | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:35 | — | — |
 | — | 9:22 | — | — | 9:20 | — | — | 9:19 | — | — | 9:16 | — | — | 9:15 | — | — | 9:14 | — | — | 9:12 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 15 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 16 | 17 | 18 | 14 | 16 | 17 | 13 | 15 | 15 |
Feels °C | 12 | 12 | 12 | 16 | 17 | 15 | 15 | 17 | 17 | 17 | 15 | 14 | 12 | 14 | 10 | 11 | 12 | 9 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | — | — | NW 5 | NNW 4 | — | — | — | SW 5 | SW 4 | — | — | — | — | SW 6 | WSW 6 | SW 6 | SW 5 | WSW 5 | NW 4 | WSW 4 |
| kJ | — | — | 20 | 2 | — | — | — | 17 | 4 | — | — | — | — | 83 | 25 | 17 | 27 | 10 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | — | — | SW 5 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | — | 4 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 5 | WSW 5 | SW 4 | SW 5 | SW 5 | SW 5 | — | — | WSW 4 | SW 4 | SW 5 | SW 5 | — | NW 4 | WSW 6 | NW 3 | NW 4 | — | — |
| kJ | 94 | 37 | 15 | 27 | 49 | 52 | 33 | — | — | 2 | 21 | 87 | 67 | — | 16 | 20 | 1 | 5 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 498 | 332 | 297 | 292 | 232 | 257 | 270 | 251 | 216 | 332 | 317 | 332 | 498 | 7 | 308 | 535 | 308 | 307 | 319 | 292 |
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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