Surf Forecasts:
Ricks Reef surf forecast from 18 Jul 2026:
- Best quality surf: Monday 20 Jul, 1PM (local time) - 1.5ft (0.5m), 10s period, E swell with offshore winds.
- Most powerful swell: Saturday 25 Jul, 7AM (local time) - 4.5ft (1.4m), 12s period, ENE swell with 527 kJ wave energy.
- Next surfable swell (1★+): Monday 20 Jul, 1PM (local time) - 1.5ft (0.5m), 10s period with E swell.
Best Forecast Surf Conditions for Ricks Reef this week:
The surf forecast for Ricks Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 20) at 1PM. The primary swell is predicted to be 0.5m and 10s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Ricks Reef in the next 16 days are 1.4m 12s and forecast to arrive on Saturday (Jul 25) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 10s period and expected on Saturday (Jul 25) at 4PM.
| Wave Type | Time (ChST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Mon 20th Jul) | 1.5ft (0.5m) 10s |
| Best Surf | 1PM (Mon 20th Jul) | 1.5ft (0.5m) 10s |
| Most Powerful | 7AM (Sat 25th Jul) | 4.5ft (1.4m) 12s |
Table - best surf conditions forecast for Ricks Reef over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s talk about what’s on the menu for Ricks Reef over the next couple of weeks.
First off, we’ve got a dry spell. From now right through to the morning of Monday 27 July, there’s nothing worth paddling out for. That’s a solid nine‑day gap with tiny, weak swell and messy cross‑shore winds. The water’s sitting at 83°F, which is pretty much normal for this time of year – no surprises there.
Things finally start looking up on the afternoon of Monday 27 July. That’s when a nice NNW groundswell shows up, pushing 5ft with a 13‑second period (moderate combined energy of 595). The wind swings offshore from the SE at 12 mph, and the forecast calls for clean conditions. This is a reef break for advanced surfers only – it’s inconsistent and can get crowded sometimes, but when it lines up like this it’s a proper little gem. The swell direction (NNW) is close to the optimum N, so expect some good shaped waves peeling down the reef. Keep in mind that Monday 27 July is more than a week away, so while the outlook is promising, it’s worth checking back closer to the day.
The following morning, Tuesday 28 July, offers a decent backup. Swell drops to 4ft from the NNW, still with a long 12‑second period, but the wind turns cross‑offshore from the ENE at 6 mph. The combined energy is 370 – still moderate. It’ll be clean, but the quality isn’t quite as high as the Monday afternoon session. Still, a solid option if you missed the peak.
After that, the wind gets messy again. By Wednesday afternoon the swell picks up to 5ft, but it’s cross‑onshore and short‑period (8 seconds), so no good. Then through the end of the month and into early August, the swell gets bigger – up to 8ft on Sunday 2 August – but with strong cross‑onshore winds and lumpy conditions, it’s a write‑off for paddle surfing. That kind of setup might appeal to the kite crowd, but not for us.
So mark your calendar: Monday 27 July afternoon is the standout. Tuesday morning is a solid second choice. The rest of the window is a no‑go. Stay patient, and keep an eye on that Monday window.
Rusty
Short Range ForecastLight rain (total 9mm), mostly falling on Sat night. Warm (max 29°C on Sat morning, min 27°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 41mm), heaviest during Thu night. Warm (max 29°C on Tue morning, min 25°C on Thu night). Winds increasing (calm on Wed night, strong winds from the N by Thu night). | ||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||
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) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 8 | E 10 | ENE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 42 | 42 | 41 | 41 | 41 | 43 | 46 | 44 | 42 | 28 | 27 | 27 | 27 | 26 | 46 | 26 | 26 | 38 | 34 | 123 | 373 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-off | off | off | off | cross-off | cross-off | cross-off | cross | cross-on | cross-off | cross-on | on | cross-on | cross-on | cross-on | cross |
High Tide | 11:30PM0.93m | 10:51AM0.78m | 11:58PM0.92m | 12:04PM0.72m | 00:26AM0.90m | 1:30PM0.68m | 00:54AM0.88m | 3:12PM0.67m | 1:23AM0.85m | 5:00PM0.69m | 1:58AM0.83m | 6:20PM0.73m | 2:40AM0.82m | ||||||||
Low Tide | 4:34PM0.19m | 5:36AM0.49m | 5:13PM0.31m | 6:32AM0.43m | 5:50PM0.42m | 7:27AM0.37m | 6:26PM0.53m | 8:22AM0.32m | 7:07PM0.61m | 9:16AM0.28m | 8:04PM0.67m | 10:07AM0.24m | 9:26PM0.70m | ||||||||
 |  |  | |  |  | | | | | |  | | | | |  | | | | | |
 | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — |
 | — | 6:52 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — |
mm | — | 2 | 5 | 2 | — | — | — | — | — | — | — | — | — | 2 | 3 | 3 | 6 | 27 | 7 | 62 | 28 |
Temp °C | 29 | 29 | 28 | 29 | 29 | 27 | 29 | 29 | 28 | 29 | 29 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 27 |
Feels °C | 31 | 31 | 32 | 32 | 32 | 30 | 31 | 31 | 32 | 32 | 32 | 30 | 32 | 31 | 30 | 32 | 30 | 26 | 24 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | SW 7 | SW 7 | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SE 10 | SE 10 | ENE 9 | SE 9 | SE 9 | SE 10 | SSW 8 | SW 8 | ENE 11 |
| kJ | 79 | 58 | 41 | 30 | 29 | 55 | 57 | 59 | 44 | 44 | 33 | 33 | 50 | 61 | 46 | 55 | 54 | 63 | 76 | 84 | 373 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 9 | E 9 | ENE 9 | SE 10 | ENE 9 | SW 7 | WSW 7 | SE 10 | SW 7 | SW 7 | E 9 | E 8 | E 10 | SE 10 |
| kJ | 42 | 42 | 41 | 41 | 41 | 43 | 46 | 44 | 42 | 28 | 47 | 27 | 25 | 19 | 60 | 25 | 23 | 38 | 34 | 123 | 36 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | SSE 7 | NNW 6 | S 6 | S 5 | SE 8 | SE 9 | NW 8 | SE 9 | SSE 9 | ENE 9 | SE 9 | ENE 9 | ENE 9 | SW 7 | ENE 9 | ENE 9 | SW 6 | SE 11 | E 12 | NNE 8 |
| kJ | 10 | 5 | 4 | 11 | 8 | 17 | 19 | 14 | 21 | 31 | 27 | 20 | 27 | 26 | 23 | 26 | 26 | 11 | 55 | 107 | 6 |
Wind waves Height (m) Direction Period (s) | — | S 5 | SSW 6 | — | — | — | — | — | — | — | — | — | — | NNE 3 | — | — | — | — | — | — | SSW 8 |
| kJ | — | 4 | 13 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 322 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 227 | 227 | 11 | 11 | 11 | 2 | 2 | 2 | 2 | 25 | 27 | 1876 | 1876 | 2258 | 2 | 11 | 11 | 1996 | 2071 | 2068 | 2066 |
Best forecast wave conditions in Guam | |||||||||||||||||||||
Best forecast wave conditions in Guam | |||||||||||||||||||||
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Information about the Ricks Reef Surf forecast
The above surf forecast table for Ricks Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ricks Reef can be found by selecting the local surf guide option on the grey menu. Our Ricks Reef 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 (Ricks Reef) 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 Ricks Reef 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.
Ricks Reef is 3 km (2 miles) from Agana. If you plan a holiday in Guam, look for hotels and other accommodation in Agana. Agana has rooms for a wide range of budgets as well as car hire and transport links.
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