Kalk Bay ReefMuizenberg
dangerousexposed head-on to the swell today
- window
- tide
- shelter
- hazard
- access
Rocky reef off Kalk Bay harbour on the warm False Bay shore; galjoen and hottentot. Boat traffic near the harbour mouth.
Google MapsMuizenberg spearfishing forecast — wind, swell, visibility, tides & live cameras
2.5
🌫 Murky all week after the storm — the water isn't settling
visibility1m
Today — sit it out — wave, wind and surge pounding. 🌫 Murky all week after the storm — the water isn't settling
Sources: IPMA · NDBC · Copernicus — high confidence · data 10:49
Sources & confidence
- Sources
- IPMA · NDBC buoys · Copernicus Marine
- Method
- Model consensus, read per window
- Freshness
- Re-read every hour, per coast
Compiled by the spearo sea-state engine
The verdict comes from seven water factors and hard safety gates — not ten tabs. Go or stay.
How we score the water
Our own model
Our own forecast engine — not a third-party widget. It weighs these water factors into one go-or-stay verdict for this coast; the 0–10 dial is that verdict, read out as a number.
- Swell & wave memory
- Height, period and direction of the swell, plus the wake of recent storms — an old storm still stirs the water, and the engine remembers.
- Wind & gusts
- Speed and gusts, hour by hour — wind speed and an onshore push chop the surface and cut visibility.
- Tide phase
- Timing and range of the tide, calibrated per coast — big spring tides pull the verdict toward caution.
- Water temperature
- Sea-surface temperature — sharply cold water vetoes a green verdict.
- Currents & outflow
- Direction and drift of the current — it pushes you, and it drags turbid coastal water across where you dive.
- Rain runoff & air clarity
- Rain muddies the water inshore through land runoff, while fog and haze cut visibility at the surface.
- Coast shape & exposure
- How the coast faces the swell — a sheltered cove keeps the water clean; an exposed, head-on point takes a penalty.
Safety gates
- Thunderstorm forecast — an instant red, no exceptions.
- An official warning (MeteoAlarm / IPMA) — yellow, or red for the higher ranks.
- Missing input data — a would-be green is capped to yellow rather than overstated.
- Strong disagreement between forecast models — a green day is pulled back to yellow.
- Night hours — forced red; the window is closed after dark.
It all folds into a single 0–10 score and one verdict: go or stay.
A forecast, not a guarantee — the sea has the last word.
Where to get in, where to hunt
Entry points with coordinates
Seabed relief — promising ground
Surface
Wind, wave and the swell windows — when to go and the best hours.
spearo.app
calmupdated 10:49
Muizenberg — solo, off the rocks
don't go · wave 1.5 m (occasionally up to ~3.1 m)
wave 1.5 mwind 9, gusts 26 km/hsurge pounding the rocksvisibility ~2 m
today, best window 09:00–12:00
fish · Visibility 2 m · Water 13.5°C
confidence medium · verdict for the selected day
Whole week — tap a day. is driving swell right now.
Solo risk: carry a float · tell someone your plan and exit time · doubt = don't go. A model-based planner; the call is made on site.
Selected day
Windows, hours
and the day's trends.
The day is picked above, in the hero. Here are that day's windows, the hour-by-hour map and the trends. Tap a window to break down the conditions.
Wednesday · today2026-07-22
07:45–17:59 · first quarter
▼ 03:00▲ 09:00▼ 15:00▲ 21:00 · 0.6 m
Hours (06→20)
09
12
15
18
Day's trends
Tide-0.09 m
Wave1.46 m
Wind17 km/h
Water14 °C
fish activity: moonset 01:41 · moderate · moon underfoot 07:00 · high · moonrise 12:16 · moderate · moon overhead 19:30 · high
Conditions window09:00–12:00
don't go fish
Hs 1.54 mperiod 9.2 swind 9→26surge 14viz 1 m
1.54 mup to ~3.08 · 219° at an angle
9.2 sswell moderate
9→26gusts 26 km/h
14pounding the rocks
0.19m/s
1 mrecent swell
13.5°Cthicker suit + hood
▼15:00tide turn near
Atmosphere0 kmovercast
moderatemoonrise
- wave 1.5 m (occasionally up to ~3.1 m)
- strong surge — waves hit the rocks hard
- ebb — weaker inshore
confidence mediumtwilight
The water column
Visibility and what drives it — post-storm clearing, river plume, temperature and the thermocline.
What it is
A marine instrument,
go / no-go for solo hunting.
spearo.app folds wind, wave, swell period, visibility, tides, water temperature and risk into a single verdict — go to the spot or not. It computes 7 days ahead from open marine models (Open-Meteo, IPMA), with no sign-up and no accounts. Built for solo spearfishing off the rocks, where any mistake costs dearly.
Now live: 1152 spots across 189 stretches of coast — mainland Portugal, Madeira and the Azores.
See all spotsThe seabed
Relief and bottom type, tides, and the depths of each spot.
On the rock
The forecast is the plan.
The call is on the rock.
The models set the window. Whether you go in is read only at the water: count the sets, watch the surge on the entry. If in doubt, you don't get in.
Entry points
Where to get in
off the rocks.
Scouted entries, coloured by today. The colour is the sea state at the spot, not a guarantee: the wash and a slippery entry you judge on site.
Open the seafloor map
St James / Danger BeachMuizenberg
dangerousexposed head-on to the swell today
- window
- tide
- shelter
- hazard
- access
Tidal-pool reef edge at St James; check the TMNP St James restricted zone boundary — the sanctuary is no-take.
Google MapsSunny CoveMuizenberg
closedexposed head-on to the swell today
- window
- tide
- shelter
- hazard
- access
Small rocky cove between Muizenberg and Kalk Bay. Per the DFFE zonation it falls inside the TMNP St James restricted (no-take) zone — no spearfishing; dive/look only. Hunt Kalk Bay reef instead.
Google MapsSOLO is the biggest risk: underwater you can black out from lack of oxygen silently and fatally, with no one around. Solo is never truly «safe». Below are the best weather windows; carry a buoy, tell someone your plan and exit time, and any doubt — don't go.
Surfacing
Cameras, map and reference — to hand as you come up.
Live cameras, map & reference
Cameras · live
Look at the water
right now.
Check the cam BEFORE you leave. Foam, brown/green murk, or waves washing the entry rocks = No-go. At night/in fog the cam is useless — treat it as «unknown», NOT «green».
Reference
What's in season,
what the law says.
In season now
- yellowtail
- garrick / leervis
- geelbek (Cape salmon)
- galjoen (national fish)National fish but NOT no-take: legally spearable (35 cm, bag 2), closed 15 Oct–end Feb.
- kob / kabeljou
- red roman
- king mackerel (couta/cuda)
- elf / shad⚠️ Closed 1 Sep–30 Nov (spawning). Don't take it then.
- white musselcracker
- hottentot
Law
- ✓You need a endorsed for SPEARFISHING (MLRA 18/1998). Buy it online (fishing.dffe.gov.za) or at an authorised office (SAPO branch) — check the current fee there. Own use only — sale is banned.
- ✓Breath-hold + snorkel only — scuba/hookah are BANNED (reg 8). Spearfishing in is FULLY BANNED (reg 16, no exceptions). Daily cap of 10 fish total. Inside an obey the managing authority; in several you can't even CARRY a speargun.
- ⛔ 🚫 Table 3 (zero possession): brindle bass (Epinephelus lanceolatus), potato bass (E. tukula), seventy-four (moratorium since 1998), great white / whale / basking sharks, sawfishes, coelacanth, Natal wrasse.
- ⛔ 🚫 All hard corals, sea fans and sea pens (Scleractinia/Gorgonacea/Pennatulacea) — protected. Seahorses/pipefish (Syngnathidae) — no-take.
- ⛔ 🚫 Spearfishing in is FULLY BANNED (reg 16 — no exceptions). Inside an obey the managing authority's conditions; in several you can't even CARRY a speargun (Sardinia Bay, Bird Island, Robben Island etc.). Abalone (perlemoen) — recreationally closed until further notice.
Rules change. Before heading out, check with the DFFE (Marine Recreational Fishing brochure / permit) and the MPA managing authority (SANParks / CapeNature / Ezemvelo KZN / ECPTA / iSimangaliso).
Safety protocol
- Sets: watch the wave trains ≥15 min before entering; Hmax ≈ 2×Hs, the wash can run 50 m past the foam line. A lull >10 min with period >12 s = a big set «overdue», do NOT enter; enter right after a full set passes and re-check at minute 30.
- Exit FIRST: find your exit AND a backup before entering. On a rocky/boulder shore a 0.5 m rise in swell can make the exit impossible — getting pinned/unable to climb out is the main killer.
- Headland rip: prominent points often have a permanent topographic rip regardless of the model — locate it, enter/exit on the windward side, never swim against it.
- Cold: wetsuit per the SST chip; the first shiver = a metabolic surge and a drop in breath-hold → get out at the first steady shiver. Cap the session at 45–60 min below 15 °C.
- Solo discipline: buoy up; tell someone the spot and exit time; conservative breath-hold (never push it in cold/murky/surfy water); visibility <3 m — don't enter.
- Afternoon wind: on many coasts the wind builds from midday — plan to be out of the water by midday; the chop builds — get out.
- UV 11:00–15:00 (UVI ≥6): sunscreen and cover up on the surface interval.
- Solo is a fundamental risk (hypoxic blackout with no buddy). Any doubt = No-go.
Spearfishing in Muizenberg: spots, seasons and rules
Muizenberg spearfishing is a legality and safety check before it is a fish check. The northern False Bay shore has warm, productive water, but it is also the home coast of Shark Spotters and sits beside restricted Table Mountain National Park marine zoning. Kalk Bay Reef is the practical target for galjoen and hottentot, while Sunny Cove is no-take under the TMNP St James restricted zone. Boat traffic, surf, water quality, and the Zandvlei estuary ban decide whether a session should happen.
TL;DR
- Muizenberg is a False Bay surf corner, not a simple reef beach; Shark Spotters flags and water-quality notices matter before entry.
- Kalk Bay Reef is the main legal hunting angle. Sunny Cove sits inside the TMNP St James restricted no-take zone, so do not spear there.
- Southeast cycles shape the warmer bay water, but sewage overflows after load-shedding and rain can make Sunrise and nearby water a skip.
- Carry the MLRA spearfishing permit, stay on snorkel only, respect estuary bans, and treat uncertain MPA boundaries as closed.
Which Muizenberg reefs are legal to consider?
Separate hunting water from sanctuary water. If a boundary is unclear, stay out with the speargun and confirm it first. The reef line is busy, close to harbour traffic, and exposed to surf timing even when the bay looks mild.
| Spot | Type | Depth | Level | Access | Notes |
|---|---|---|---|---|---|
| Kalk Bay Reef | Rocky reef off the harbour side | Shallow reef on the False Bay shore | Intermediate because of traffic | Shore or harbour-adjacent approach outside restricted water | Galjoen and hottentot are the local reef fish. Keep well clear of the harbour mouth and watch small craft before diving or surfacing. |
| St James / Danger Beach | Tidal-pool reef edge | Shallow reef edge and surge zone | Intermediate with boundary checks | Coastal path and tidal-pool area | This mark only makes sense after checking the TMNP St James restricted-zone line. The sanctuary is no-take, so uncertainty means no spearing. |
| Sunny Cove | Small rocky cove | Shallow cove reef | Look-only, no spearfishing | Between Muizenberg and Kalk Bay | Sunny Cove is marked protected and falls inside the TMNP St James restricted no-take zone. Leave the speargun out and use Kalk Bay Reef instead. |
How should Shark Spotters flags affect a dive?
Read the flag before entry. A black flag with a siren means leave the water. The coast has a long great-white history, even though recent inshore activity is quieter after the orca-driven decline. A spearo also carries fish, so use a float, avoid dirty water, and never treat a calm surface as proof of low shark risk.
When does Muizenberg visibility fall apart?
The bay is sheltered but not immune. The bad sea sector runs from east through south, with southeast energy especially important. Sunrise can be fouled by sewage overflows during load-shedding, and rain can worsen water quality. Check the Muizenberg cameras, beach notices, and flags before gearing up.
Which species and limits are relevant?
Kalk Bay reef fish are galjoen and hottentot. Galjoen has a 35 cm minimum, bag limit two, and is closed from 15 October through the end of February. Hottentot has a 22 cm minimum. Protected Table 3 species, hard corals, seahorses, pipefish, and recreational abalone stay off limits.
What are the non-negotiable rules?
You need a recreational permit endorsed for spearfishing under MLRA rules, bought through DFFE online or at an authorised SAPO branch. Spearfishing is breath-hold only; scuba and hookah are banned. Estuaries are fully closed, including the Zandvlei mouth. The national daily cap is 10 fish, subject to tighter species limits.
FAQ
Can you spearfish at Sunny Cove?
No. Sunny Cove is listed inside the TMNP St James restricted no-take zone, so it is dive-and-look water, not hunting water.
Is Kalk Bay Reef the better Muizenberg option?
Yes, from the listed marks it is the practical hunting reef, provided you avoid harbour traffic and stay outside restricted boundaries.
What does the black Shark Spotters flag mean?
A black flag with a siren means leave the water. For spearfishing, treat it as an immediate stop.
Can I spear in Zandvlei mouth?
No. Spearfishing in South African estuaries is fully banned, and Zandvlei is specifically called out for Muizenberg.
Where do I get the permit?
Use DFFE's online permit platform or an authorised SAPO branch and ask for the recreational permit endorsed for spearfishing.
Sources
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