# MY Alastor: scuba diving weather

Boat dive · Strangford Lough, County Down · 54.4514, -5.6291

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 (83/100)
- Waves: 0.2 m
- Wind: 15 kn from SSW, gusts 23 kn (offshore)
- Water: 12 °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 92 | 15:00–17:00 | – | up to 0.2 m | up to 15 kn | 12 °C |
| Sun 15 | Excellent 100 | 08:00–14:00 | – | up to 0.2 m | up to 13 kn | 12 °C |
| Mon 16 | Excellent 100 | 08:00–17:00 | – | up to 0.2 m | up to 12 kn | 11 °C |
| Tue 17 | Excellent 100 | 08:00–17:00 | – | up to 0.4 m | up to 10 kn | 11 °C |
| Wed 18 | Good 75 | 09:00–17:00 | – | up to 0.2 m | up to 17 kn | 11 °C |
| Thu 19 | Excellent 100 (trend) | 08:00–17:00 | – | up to 0.3 m | up to 12 kn | 11 °C |
| Fri 20 | Excellent 100 (trend) | 09:00–17:00 | – | up to 0.1 m | up to 6 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/county-down/strangford-lough/mv-alastor-strangford-lough.

## 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 ~01:44, ~14:00 · Low ~07:36, ~20:14 (bigger tides, range 3.0 m)
- Sun 15: High ~02:24, ~14:31 · Low ~08:27, ~21:08 (bigger tides, range 2.9 m)
- Mon 16: High ~03:10, ~15:36 · Low ~09:16, ~22:08 (range 2.6 m)
- Tue 17: High ~04:02, ~16:17 · Low ~09:53, ~23:22 (bigger tides, range 2.9 m)
- Wed 18: High ~05:36, ~17:26 · Low ~11:28 (smaller tides, range 2.0 m)
- Thu 19: High ~06:30, ~18:36 · Low ~00:16, ~12:37 (range 2.4 m)
- Fri 20: High ~07:28, ~19:42 · Low ~01:01, ~13:27 (bigger tides, range 3.1 m)

## Conditions at MY Alastor

MY Alastor is well sheltered: land blocks the open sea in most directions, so it is often diveable when nearby coasts are rough.

Over the next 7 days it's good or better every day. Thu and Fri are only a trend so far.

## Links

- [Forecast page with hourly detail](https://scubaforecast.com/scuba-diving-weather/united-kingdom/county-down/strangford-lough/mv-alastor-strangford-lough)
- [Water temperature in County Down](https://scubaforecast.com/water-temperature/united-kingdom/county-down)
- [MY Alastor on the map](https://scubaforecast.com/map#site=mv-alastor-strangford-lough)

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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.