Guilderton Rivermouth (Western Australia)
- Freeride, Shortboard
- Best for
- Intermediate
- Skill Level
- Flat
- Spot Type
- Quiet
- Crowd Level
This spot information is AI-assisted and has not been human verified. It may be incomplete, outdated, or incorrect. Verify safety, access, local rules, and current conditions with official or local sources before riding.
About
Guilderton Rivermouth is a rivermouth spot where the Moore River meets the Indian Ocean, producing a surf break with both left- and right-hand waves. It’s described as reasonably exposed, and its surf quality is highly dependent on the state of the sandbars—shaped by the Moore River’s flow and seasonal swell—so conditions can change noticeably from week to week. For wind, offshore east winds are reported as the best match for surfing, aligning with the idea of clean offshore conditions when the wind turns to the east. Summer afternoons can bring a stronger sea-breeze influence; sessions are often best in the morning before the afternoon sea breeze builds. Surfing performance is commonly described as moderate in power with peeling wave shape, and ride length can range from short, punchy sections to longer walls depending on sandbar configuration. While surf is reported as workable across tide stages, heavy swell can still be challenging—there’s potential for closeouts on very large swells if the sandbars aren’t well-defined. Safety-wise, dangerous rip currents are highlighted as a key hazard, alongside “dumpers” (large, collapsing waves). Additional risks mentioned include sharks and shallow, shifting sandbars (especially during times of higher river flow). The area is described as having limited rescue availability and lifeguards that are seasonal, so choosing conditions carefully and staying aware of rips and river-mouth swimmer activity is strongly advised.
- Sandbar-driven left and right-hand rivermouth surf
- Offshore east winds improve surfing conditions
- Morning sessions before afternoon sea breeze are often best
- Dangerous rip currents are a key warning
- Produces both left and right-hand surf
- Offshore east winds are described as working best
- Often suitable at all tide stages
- Good natural setting for combining paddling/swimming with surf and other water activities
- Sandbar-driven surf quality can vary significantly with river flow
- Dangerous rip currents are a primary hazard
- Break can close out on very large swells if sandbars are not well-defined
- Conditions can be affected by shifting sandbars and occasional debris during high river flow
Wind, water and seasons
Wind
- Direction
- E, N, ESE, NE, ENE
- Offshore directions
- E
- Wind Range
- 15–25 kts
- Wind Type
- Sea breeze — Strong afternoon sea-breeze influence is described for the area; offshore working conditions are typically from the east.
- Reliability
- high-in-summer
- Gust Factor
- Moderate gusts — Moderate gustiness is reported.
- Best Months
- December, January, February
- Shadow Zones
- Some shelter behind dunes for smaller waves, but generally exposed.
Water & beach
- Water Type
- Flat
- Beach
- Sand — Sand composition is reported.
- Beach Size
- Small
- Waves
- Small — Wave size is described as small in one dataset; another source describes medium surf depending on conditions.
- Chop Level
- Chop is described as increased when winds turn onshore (e.g., South-West onshore and choppy).
- Launch
- Medium — Wide sandy beach area near the mouth of the Moore River.
Through the year
Busy on weekends and during school holidays; relatively quiet on weekdays.
Winter (June to August) brings the most rainfall and occasional storms.
By sport
What to expect for each.
Possible on the ocean side during summer sea-breeze conditions; the river itself is sometimes used for beginner-friendly flat-water, though space can be limited near the mouth.
- Kite Sizes
- 9–12 m²
Possible in the ocean on cross-shore summer winds; the river offers flatter water but can involve swimmer/kayaker presence.
- Sail Sizes
- 5–6.5 m²
The ocean side is suitable for wingfoiling when there is moderate swell; caution is needed around the river mouth due to shallow sandbars.
- Foil Friendly
- Limited — Foil-friendly conditions are described as limited.
- Min Depth
- 1 meter
- Wing Sizes
- 4–6 m²
A rivermouth break at the Moore River mouth that can produce both left and right-hand waves. Surf quality is highly sandbar-dependent and can vary week to week with river flow and seasonal conditions.
- Wave Direction
- Both
- Optimal Swell
- W
- Swell Height
- 1–2 m
- Optimal Tide
- All tides — Good surf is reported across tide stages; an all-tides preference is also indicated.
- Shelter
- Exposed — The break is described as reasonably exposed.
- Wind Effect
- East winds provide clean offshore conditions; South-West winds are onshore and choppy.
- Bigger Swell
- Can close out on very large swells if sandbars are not well-defined.
- Wave Quality
- Good — Wave quality is described as good, with variability depending on sandbar shape.
- Wave Power
- Moderate — Wave power is described as moderate.
- Wave Shape
- Peeling — A peeling wave shape is indicated.
- Peel Speed
- Medium — Peeling waves are described with medium peel speed.
- Ride Length
- Medium — Ride length can vary depending on sandbar configuration.
- Typical Ride Length
- 50–100 m
- Ride Length Details
- Can offer short, punchy rides or longer walls depending on sandbar configuration.
Check the forecast before you go
See wind, waves, weather and session windows for Guilderton Rivermouth (Western Australia) in the full forecast view.
Guilderton Rivermouth (Western Australia) wind and wave forecast summary
- Wind
- 5–17 ktsGusts 29 kts
- Direction
- S182°
- Strongest day
- Sat, Oct 2417 kts
- Windy days
- 6/712 kts or more
- Waves
- 1.0–3.6 m10s period
- Temperature
- 8–25 °C
Over the next 7 days, Guilderton Rivermouth (Western Australia) is forecast for daytime winds of 5–17 kts, peaking around 17 kts on Saturday, October 24 with gusts to 29 kts. The prevailing direction is S. Waves run 1.0–3.6 m with a period of about 10s. Based on the Wavind model, in the spot’s local time.
Other spots in the area
What to know before you launch
Safety, access, restrictions, rescue, and local rules can change. Treat these details as informational and confirm them locally before launching.
Hazards
- Dangerous rip currents
- “Dumpers” (large, collapsing waves)
- Sharks
- Shifting sandbars
- Potential debris during high river flow
- Shallow sandbars
- Sun exposure
Rescue & support
- Lifeguard
- Seasonal — Lifeguards are described as seasonal in the area.
- Rescue & Self-Rescue
- Limited — Rescue availability is described as limited; no dedicated full-time on-water rescue service specifically for kiters is noted.
- Emergency Info
- In an emergency, call 000; nearest major medical facilities are in Joondalup or Perth (Joondalup Health Campus referenced).
- Localism / Vibe
- Mild — Mild localism is noted.
Rules of the spot
Be mindful of dangerous rip currents; also respect local surfers and maintain distance from swimmers in the river mouth area. Seasonal fishing restrictions and watercraft exclusion zones near swimming areas may apply.
- Seasonal fishing restrictions in some areas
- Watercraft exclusion zones near designated swimming areas
- Beach is not patrolled.
- Morning sessions are best before the sea breeze kicks in.
- The break often improves significantly after heavy rain when the river breaches the sandbar.
- 4WD access may be available onto the beach; follow local access guidance.
Getting there & access
- Nearest City
- Guilderton, WA
- Nearest Town
- Guilderton
- Nearest Airport
- Perth Airport (approx. 90–100 km away; ~1.5 hours drive referenced)
- Parking
- Car park available on the northern side of the groyne; paved parking fills up quickly on weekends.
- Public Transport
- Public transport is extremely limited; a private vehicle or rental car is necessary for visiting with equipment.
- Access
- Accessible by road via Wanneroo Road or Indian Ocean Drive, approximately 95km north of Perth; paved parking at the Guilderton foreshore; 4WD access may be available onto the beach.
- Cost Level
- Moderate
- Local Language
- English
What's on the beach
- Accommodation
- Nearby town — Guilderton Caravan Park and various holiday home rentals are available nearby.
- Food & Drink
- A general store and a café/restaurant are near the foreshore.
- Equipment Rental:
- Limited rental may be available through mobile schools; surf equipment rentals are described as limited.
No schools or services are listed for this spot yet.
Off the water
The spot and surrounding area combine a nature-based rivermouth setting with seasonal sea-breeze conditions. The Moore River Estuary environment and nearby outdoor activities make it a popular day-trip style destination from Perth.
Scenic meeting point of river and ocean, including a sandbar; described as the last remaining river estuary on the Swan Coastal Plain unspoilt by development, with photogenic limestone cliffs.
Large sand dunes nearby offering popular sandboarding and 4WD opportunities.
Calm river waters are suitable for paddling upstream to explore local flora and fauna.
Visit the Gravity Discovery Centre and Observatory in nearby Gingin.
Central hub for casual dining, fish and chips, and basic supplies.
The town offers cafes and restaurants.
Family-friendly mini golf activity near the caravan park.
Swimming, fishing, kayaking, and bushwalking are popular outdoor activities.
From riders who've been here
Latest reported conditions
Spot questions
Frequently asked questions
When is the best season at Guilderton Rivermouth (Western Australia)?
The best overall months at Guilderton Rivermouth (Western Australia) are November, December, January, February, March. The best wind months are December, January, February.
Which wind directions work at Guilderton Rivermouth (Western Australia)?
Guilderton Rivermouth (Western Australia) works with E, N, ESE, NE, ENE winds. Offshore directions are E.
What equipment sizes are recommended at Guilderton Rivermouth (Western Australia)?
Recommended equipment sizes at Guilderton Rivermouth (Western Australia): Kitesurfing: 9–12 m² · Windsurfing: 5–6.5 m² · Wingfoiling: 4–6 m². The typical wind range is 15–25 kts.
What skill level is Guilderton Rivermouth (Western Australia) suitable for?
Guilderton Rivermouth (Western Australia) suits these riding levels: Kitesurfing: Intermediate · Windsurfing: Intermediate · Wingfoiling: Intermediate · Surfing: Intermediate.