Surf Forecasts:
Fishermans (Rhiw) surf forecast from 15 Jul 2026:
- Most powerful swell: Thursday 16 Jul, 10AM (local time) - 0.5ft (0.1m), 14s period, SW swell with 8 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 14s and forecast to arrive on Thursday (Jul 16) at 10AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Saturday (Jul 18) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10AM (Thu 16th Jul) | 0.5ft (0.1m) 14s |
Table - best surf conditions forecast for Fishermans (Rhiw) over the next 16 days.
The Lowdown
Alright, let’s break it down. Looking at Fishermans (Rhiw), the next 16 days are a total dud. There’s no surf worth talking about for the bulk of the period. The first real suggestion is way out, and even then it’s weak. The water temp is about 64°F – that’s about 5°F warmer than usual, so the sea is unusually warm, but there’s no energy to ride.
From Wednesday 15 July afternoon: 0.3ft of swell from the SW, 16-second period, but the combined energy is a measly 12 – barely a ripple. Wind is cross-off, but the wave height is tiny. Thursday 16 July morning has a light offshore NNE wind at 3 mph, but still only 0.3ft and a 14-second period, energy down to 9. That’s the pattern – Friday through to the end of the month, it’s all 0.3ft or flat, with moderate to strong breezes kicking up chop.
There’s a gap of several days with no real surf. The first time we see anything above 0.3ft is on Sunday 26 July afternoon: a tiny 2ft SW swell with a 3-second period, energy only 8. That’s not rideable. Monday 27 July morning has a 3ft SW swell with a 35 mph cross-shore W wind, making it lumpy and messy. Monday afternoon has a 3ft SW swell with onshore SW wind – poor.
The best of the worst is around Tuesday 29 July afternoon: 4ft from the WSW, period of 5 seconds, energy at 89 – still weak. The wind is light cross-shore, so it’s not totally blown out, but that short period makes it fat and weak. Thursday 30 July morning has a glassy 3ft from the WSW with a 6-second period, 56 energy, and offshore NNE wind in the afternoon at 6 mph, giving clean 3ft SW swell, but the period is only 4 seconds. It’s small, weak, and short-period.
This area is just not firing. No standout, no solid swell. It’s a flat spell that’s pretty normal here, but it doesn’t mean it stays poor forever – forecasts can change, but right now, don’t bother.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Wed night, min 13°C on Fri night). Winds increasing (calm on Thu morning, fresh winds from the NNW by Sat morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 18°C on Sat night, min 13°C on Sun night). Winds decreasing (fresh winds from the NNW on Sat afternoon, calm by Sat night). | ||||||||||||||||||||
Wed 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | W 13 | SW 14 | SW 14 | SW 12 | W 12 | SW 12 | SW 13 | SW 6 | S 5 | SW 11 | W 11 | NW 4 | N 3 | W 9 | NNW 4 | W 8 | NW 6 | NNW 4 | W 16 | NW 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 10 | 3 | 8 | 8 | 6 | 3 | 6 | 6 | 1 | 1 | 5 | 2 | 0 | 0 | 2 | 0 | 1 | 5 | 0 | 5 | 1 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off |
High Tide | 9:51PM4.40m | 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 | ||||||||
Low Tide | 4:32PM0.20m | 5:05AM-0.11m | 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 | |||||||
 |  |  |  |  | | | | | | | | | | | | | | | | | |
 | — | — | 5:11 | — | — | 5:13 | — | — | 5:15 | — | — | 5:16 | — | — | 5:16 | — | — | 5:18 | — | — | 5:20 |
 | — | 9:36 | — | — | 9:35 | — | — | 9:34 | — | — | 9:32 | — | — | 9:30 | — | — | 9:30 | — | — | 9:29 | 9:28 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 25 | 21 | 23 | 22 | 20 | 21 | 19 | 14 | 16 | 18 | 17 | 18 | 17 | 14 | 16 | 17 | 18 | 20 | 20 | 18 |
Feels °C | 19 | 21 | 20 | 20 | 18 | 16 | 16 | 14 | 8 | 8 | 15 | 14 | 15 | 12 | 10 | 12 | 13 | 16 | 18 | 18 | 16 |
Swell 1 Height (m) Direction Period (s) | — | N 3 | ESE 3 | SW 7 | NNW 4 | SW 6 | SW 6 | SW 6 | SW 6 | S 5 | SW 11 | NNW 5 | — | NNW 3 | W 9 | — | W 8 | NW 6 | — | W 16 | NW 5 |
| kJ | — | 1 | 1 | 2 | 5 | 2 | 1 | 1 | 1 | 1 | 5 | 11 | — | 1 | 2 | — | 1 | 5 | — | 5 | 1 |
Swell 2 Height (m) Direction Period (s) | SW 7 | SW 6 | SW 14 | SW 14 | SW 7 | W 12 | SW 12 | SW 13 | — | — | — | — | — | — | — | — | — | — | — | W 16 | — |
| kJ | 2 | 2 | 8 | 8 | 2 | 3 | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | 5 | — |
Swell 3 Height (m) Direction Period (s) | SW 16 | W 13 | SW 6 | W 8 | SW 12 | — | — | — | — | — | — | W 11 | — | — | — | — | — | — | — | — | — |
| kJ | 10 | 3 | 1 | 1 | 6 | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | E 3 | — | NNW 2 | ENE 3 | NNW 3 | NNW 4 | N 3 | NNW 4 | NNW 4 | NNW 6 | — | NW 4 | N 3 | N 4 | NNW 4 | N 4 | NNW 6 | NNW 4 | NNW 4 | NNW 5 |
| kJ | — | 1 | — | 1 | 1 | 1 | 21 | 4 | 7 | 46 | 34 | — | 5 | 3 | 9 | 35 | 14 | 17 | 11 | 4 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 134 | 195 | 184 | 184 | 303 | 303 | 1340 | 319 | 321 | 321 | 313 | 273 | 313 | 309 | 321 | 371 | 219 | 251 | 273 | 256 | 313 |
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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