Last updated: · Live forecast data refreshes hourly.
Surfing is the most weather-dependent sport on the planet — wind direction, swell period, tide and water temperature all have to align for a session to be worth paddling out. This page gives you a direct yes/no answer for any city, then explains the rules pros use to read a forecast. The three numbers experienced surfers check first are swell height, swell period and wind direction. Period under 8 seconds is local windswell — short, weak, choppy. 9–13 seconds is mid-range groundswell, the daily bread of most surf spots. 14+ seconds is long-period groundswell from a distant storm, and the same 1m height reading at 16 seconds can produce double-overhead waves at exposed reefs. Wind direction is the third pillar: light offshore wind (blowing from land to sea, 5–15 km/h) holds the wave face up, smooths chop and creates the hollow conditions surfers chase. Onshore wind above 20 km/h flattens the face and turns even a perfect swell into mush. Seasonal windows matter too. In the Northern Hemisphere, autumn (September–November) is widely regarded as the best window: long-period groundswell from hurricanes, water still warm from summer, light winds, fewer crowds. Winter (December–February) brings the biggest, coldest, most consistent surf — a 4/3mm wetsuit minimum. Summer is small and best for beginners. The Southern Hemisphere flips this calendar — Indonesia, Bali and Western Australia peak from May to September. Match wetsuit thickness to water temperature: boardshorts above 22°C, springsuit 18–22°C, full 3/2mm at 15–18°C, 4/3mm with booties below 15°C, and 5/4mm with hood and gloves under 10°C. Avoid surfing within 24–48 hours of heavy rain at urban beaches — runoff carries bacteria and is a documented infection risk. Get out of the water at the first thunderclap and stay out 30 minutes after the last strike. Search any city above to get a live surfing-weather score, hourly wind direction, and a 7-day outlook so you can pick the cleanest window of the week.
Weather decisions in Surfing are rarely about whether it's "nice" — they're about matching what you want to do with the conditions that actually show up. A perfectly sunny day at 34 °C can be a bad day for hiking, a mild overcast morning can be ideal for portrait photography, and a low-cloud evening can be a spectacular night for full-moon shots. Snap Weather is built to answer decision questions like these directly, rather than making you interpret raw forecast numbers on your own.
This page pulls current ensemble forecast data for Surfing and reframes it around one specific decision. If the conditions clearly support the plan, we say so; if they don't, we say that too and — where possible — suggest the next date in the outlook window that does. Recommendations respect timezone, sunrise/sunset, forecast uncertainty and dealbreaker thresholds (heavy rain, dangerous wind, thick fog, hazardous UV), so a warning stays a warning even when everything else looks pleasant.
The decision score you see on this page is a weighted composite of the factors most important to the question in the page title. Weights differ by decision type, and every factor has a "dealbreaker" cap: if a single factor is dangerous or ruins the plan, the total score is pulled down regardless of the other factors.
Because dealbreaker caps apply, a "poor" score is not simply a low weather score — it means at least one factor makes the plan meaningfully worse or unsafe. That's the difference between a decision engine and a raw weather feed.
The table below summarises the typical weather pattern travellers can expect across the year in Surfing. It's a long-term climatological reference — the live tool at the top of this page overlays the current 7-to-14-day forecast on top of these baselines, so any anomalies (a cold spring, a wet summer, an unusual heatwave) show up immediately.
| Month | Season | Typical pattern | Traveller notes |
|---|---|---|---|
| January | Mid-winter (N) / peak-summer (S) | Coldest and shortest days in the northern hemisphere; warmest in the southern hemisphere. | Best value in most Europe/N-America; peak season in Australia/S-America/S-Africa. |
| February | Late-winter (N) / late-summer (S) | Cold and often driest month in the north; warm and stable in the south. | Ski season is at its most reliable in the northern hemisphere. |
| March | Early-spring (N) / early-autumn (S) | Rapidly lengthening days in the north; cooling but still pleasant in the south. | Shoulder pricing across most tourist cities. |
| April | Mid-spring (N) / mid-autumn (S) | Warming with unstable showers in the north; mild and dry in the south. | Cherry blossom windows across Europe, N America and East Asia. |
| May | Late-spring (N) / late-autumn (S) | Warm days, cool evenings in the north; first frosts possible in the south. | Widely considered the best value month for European city trips. |
| June | Early-summer (N) / early-winter (S) | Long days, warming quickly in the north; short days and cold in the south. | Solstice window; peak golden hour length in far-north cities. |
| July | Peak-summer (N) / mid-winter (S) | Warmest month across most of the northern hemisphere; ski season in the south. | Heatwave risk in southern Europe and inland US. |
| August | Late-summer (N) / late-winter (S) | Warm and often humid in the north; last month of ski season in the south. | Monsoon peak in South and Southeast Asia. |
| September | Early-autumn (N) / early-spring (S) | Cooling, drier and more stable in the north; warming in the south. | Widely rated the best month for Mediterranean travel. |
| October | Mid-autumn (N) / mid-spring (S) | Foliage peak in temperate north; blossom season starting in the south. | Photography prime time; long golden-hour windows. |
| November | Late-autumn (N) / late-spring (S) | First cold spells in the north; warming rapidly in the south. | Off-season pricing across most Europe/N America. |
| December | Early-winter (N) / early-summer (S) | Shortest days and often the wettest month in maritime climates; long warm days in the south. | Solstice window; ski openings across the northern hemisphere. |
Season labels use the northern-hemisphere calendar for consistency. If Surfing sits south of the equator, the live tool at the top of the page inverts these automatically using the location's coordinates.
Snap Weather pulls ensemble forecast data every hour from Open-Meteo and combines it with high-precision solar and lunar calculations done in Surfing's local timezone. We translate raw numbers into a direct answer to the question in the page title. Every score is capped so a single dealbreaker — heavy rain, dangerous wind, thick fog, hazardous UV — cannot be hidden by otherwise pleasant averages, and every recommendation includes a plain-English explanation of why we picked what we picked.
Ensemble forecasting matters because it captures uncertainty: instead of a single deterministic run, we look at how tightly a spread of model runs agrees. When agreement is high, we mark the forecast as high-confidence and you can plan around it. When runs diverge — often more than 72 hours out — we mark the day as lower confidence and suggest re-checking closer to the date. This matches how professional meteorologists reason about a forecast, and it beats the false certainty most consumer weather apps display.
The methodology is documented in full on our methodology page, and the scoring code for each decision type — travel days, photography, weddings, activities, ski, running, cycling — is written in a shared, activity-aware library so recommendations stay consistent across every page on the site.
All times on this page render in the local timezone of Surfing, not your device timezone, so a sunrise time you read from London still means "sunrise as seen from Surfing". Weather data comes from Open-Meteo's ensemble models with hourly refresh, giving global coverage down to roughly 11 km resolution. Astronomical data — sunrise, sunset, twilight, moon phase, illumination and moon altitude — comes from the Sunrise-Sunset API with Open-Meteo as a resilient fallback, and every calculation is done in the target location's timezone rather than the browser's, so daylight-saving transitions, high-latitude twilight and equatorial no-twilight days all render correctly.
We publish a last-updated timestamp on the live page so you can see exactly how fresh the numbers are, and we display forecast confidence next to each day so you know when it's safe to lock in plans and when to check back after the next model run. The interactive tool at the top of this page is fully client-side — no accounts, no paywall, no email required — and it works on mobile and desktop equally well.
Ensemble weather data refreshes hourly from Open-Meteo. Solar and lunar timings are re-computed on every page load, so a page you refresh at midday and again at 6 pm can show meaningfully different scores if a model run has arrived in between.
Yes. Every forecast, decision score, month-by-month guide and photography timing on Snap Weather is free, no account required and no data captured beyond anonymous analytics. If it saves you a trip or a shoot, telling a friend is the only "payment" we ask for.
We use Open-Meteo's ensemble which blends leading global models (ECMWF, GFS, ICON) and downscales to ~11 km resolution. This is the same model family used by many professional planning tools, exposed here in a decision-friendly way.
Yes — all sunrise, sunset, twilight and moon times are calculated in the destination's local timezone, so daylight-saving transitions are handled automatically. You should never need to add or subtract an hour manually.
Trust decays with time. Days 1–3 are typically very reliable, days 4–7 are directionally reliable (good/bad but not exact), and days 8–14 give you a broad sense of the pattern. That's why we surface confidence alongside every score.
Snap Weather is a weather decision engine covering 11M+ locations worldwide. If you're on the live site, the interactive forecast for Surfing loads automatically — no reload required.