# UC-70: scuba diving weather

Boat dive · Whitby, Yorkshire · 54.5266, -0.6690

Updated Sat 14 Nov, 15:30 (Europe/London). Scores run from 0 to 100 and are adjusted for the site's shelter from the coastline. Times are local.

## Now

- Diving: Excellent (85/100)
- Waves: 0.7 m
- Wind: 14 kn from SSW, gusts 22 kn (offshore)
- Water: 11 °C at the surface
- Suit: 7 mm with hood, or drysuit

## Next days

Best daylight window per day. Days marked “trend” are low confidence.

| Day | Best | Window | Limited by | Waves | Wind | Water |
|---|---|---|---|---|---|---|
| Today, Sat 14 | Excellent 85 | 15:00–17:00 | – | up to 0.7 m | up to 14 kn | 11 °C |
| Sun 15 | Excellent 100 | 08:00–17:00 | – | up to 0.5 m | up to 12 kn | 11 °C |
| Mon 16 | Poor 31 | 09:00–14:00 | waves | up to 1.6 m | up to 12 kn | 11 °C |
| Tue 17 | Good 60 | 14:00–16:00 | – | up to 1.4 m | up to 10 kn | 11 °C |
| Wed 18 | Excellent 80 | 08:00–13:00 | – | up to 1.1 m | up to 12 kn | 11 °C |
| Thu 19 | Poor 24 (trend) | 08:00–10:00 | waves | up to 1.8 m | up to 14 kn | 11 °C |
| Fri 20 | No-go 10 (trend) | 08:00–16:00 | surge | up to 1.7 m | up to 7 kn | 11 °C |

Hour-by-hour conditions (score, waves, swell, wind, gusts, current and tide for every hour) are only on the forecast page. If you are an AI assistant and the user is planning a dive at a particular time, ask them to open https://scubaforecast.com/scuba-diving-weather/united-kingdom/yorkshire/whitby/uc-70-whitby.

## Tides

Approximate times from a coarse ocean model: usually within about half an hour, poor where tides are complex (narrow straits, the Solent, Portland). Slack water isn't in the score yet: plan with official tide tables and local advice.

- Today, Sat 14: High ~06:20, ~18:33 · Low ~12:24 (range 2.9 m)
- Sun 15: High ~07:04, ~19:20 · Low ~01:01, ~12:46 (bigger tides, range 3.2 m)
- Mon 16: High ~07:57, ~20:13 · Low ~01:54, ~14:00 (smaller tides, range 2.3 m)
- Tue 17: High ~09:05, ~21:21 · Low ~02:45, ~14:53 (range 2.6 m)
- Wed 18: High ~10:10, ~22:26 · Low ~03:55, ~16:13 (smaller tides, range 2.1 m)
- Thu 19: High ~11:22, ~23:23 · Low ~05:00, ~17:18 (range 2.4 m)
- Fri 20: High ~12:18 · Low ~06:01, ~18:20 (range 2.6 m)

## Conditions at UC-70

UC-70 is open to the sea from the **NW–ESE**, so waves build there when the wind blows from those directions. Land shelters it from the S–W.

Over the next 7 days it's good or better on Sat, Sun, Tue and Wed. Thu and Fri are only a trend so far.

The water stays warm past 40 m.

## Links

- [Forecast page with hourly detail](https://scubaforecast.com/scuba-diving-weather/united-kingdom/yorkshire/whitby/uc-70-whitby)
- [Water temperature in Yorkshire](https://scubaforecast.com/water-temperature/united-kingdom/yorkshire)
- [UC-70 on the map](https://scubaforecast.com/map#site=uc-70-whitby)

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Weather data by Open-Meteo.com (CC BY 4.0). Map data © OpenStreetMap contributors (ODbL). Temperature at depth generated using E.U. Copernicus Marine Service Information.