Portugal
Bikini Beach pointGordon's Bay
borderlineexposed head-on to the swell today
- window
- —
Rocky point beside the harbour; sheltered NE-facing False Bay corner, hottentot and galjoen. Easy shore entry.
Google MapsGordon's Bay spearfishing forecast — wind, swell, visibility, tides & live cameras
5.1
wave 0.9 m head-on
visibility1m
Today — right on the edge — wave, wind and surge pounding.
Sources: IPMA · buoys · Copernicus · Sentinel-2 — high confidence · data 13:55
Sources & confidence
- Sources
- IPMA · NDBC & IH buoys · Copernicus Marine · Sentinel-2
- Method
- spearo sea-state engine: 6-model consensus + satellite clarity (ZSD) + buoy-bias checks
- Freshness
- Re-read every hour, per coast
Compiled by the spearo sea-state engine · How it works →
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 — where night spearfishing is banned by law the window is forced red; where it is legal (Australia outside NSW, New Zealand, South Africa) it is capped at yellow, never green.
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
updated 13:55
Gordon's Bay — solo, off the rocks
caution — solo off the rocks is risky, check on site · wind-wave — choppy surface
wave 0.9 m head-onwind 13, gusts 28 km/hsurge pounding the rocksvisibility ~1 m
today, best window 12:00–15:00
fish · Visibility 1 m · Water 15.2°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 · today2026-09-09
06:52–18:32 · new moon
▲ 01:00▼ 08:00▲ 14:00▼ 20:00mid-range tides · 1.5 m
Hours (06→20)
06
09
12
15
18
Day's trends
Tide-0.36 m
Wave1.16 m
Wind7 km/h
Water15 °C
fish activity: moon underfoot 00:00 · high · moonrise 05:49 · moderate · moon overhead 11:20 · high · moonset 16:52 · moderate
Conditions window12:00–15:00
caution — solo off the rocks is risky, check on site fish
Hs 0.90 m · roughperiod 9.6 s head-onwind 13→28surge 5.8viz 1 m
0.90 mrough · up to ~1.80 · 214° head-on
9.6 sswell moderate
13→28gusts 28 km/h
5.8pounding the rocks
0.08m/s
1 mrecent swell
15.2°Cthicker suit + hood
▲14:00tide turn near
Atmosphere34 kmlandmarks visible
highmoon overhead
- wind-wave — choppy surface
- murky water (visibility ~1 m)
- near high water — movement slowing
confidence mediumday
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