Negligible tidal range
Observed variation is about 0.95 ft: tides are not significant here.
Sea conditions
sea model sampled 4.8 mi from the beach
- Estimated surface11:00 PM
- ≈ 85.3 °F
- Waves
- 1.6 ft
- Period
- 6.0 s
- Swell
- 1.0 ft E
- Modelled current
- 0.4 mph
Surface temperature · 24 h≈ 84.9 °F – 86.0 °F
85.3 °F
85.1 °F
85.5 °F
85.8 °F
85.3 °F
Local conditions
- Humidity
- 70 %
- UV
- 0.0
- Cloud cover
- 67 %
- Sunrise
- 06:07 AM
- Sunset
- 06:17 PM
Open‑Meteo forecast at the nearest grid point.
Practical information
Sun and shore orientation
September 20, 2026 · Estimated times · local time
Sunrise
Shore orientation unavailable
Sunset
Shore orientation unavailable
Estimated position for this date. Terrain, buildings and clouds may hide the sun; an unobstructed view has not been verified. Calculation method
Do you know this beach?
These answers come from visitors, not from a source we cite. They describe the place, not today's conditions.
Show catalogue context
- Local area
- St. Thomas Islandrecorded by the source · Source record 8/25/2026 · Open source
- Catalogue record
- Mapped beachrecorded by the source · Source record 8/25/2026 · Open source
- Coast
- Caribbean SeaSource record 8/25/2026 · Open source
- Water body
- OceanSource record 8/25/2026 · Open source
Today’s windows
06:00 — 22:00 · select a row for details
beach run08:00 AM – 09:30 AM
beach run
Possible window08:00 AM – 09:30 AM
- moderate wind
- low rain risk
- cooler hour for running
Confidence 55 % · rules coast-v3
Sources open-meteo-2026092103 · open-meteo-weather-2026092103
coastal walk10:00 AM – 12:00 PM
coastal walk
Possible window10:00 AM – 12:00 PM
- moderate wind
- low rain risk
- comfortable walking hour
Confidence 55 % · rules coast-v3
Sources open-meteo-2026092103 · open-meteo-weather-2026092103
family beach time02:00 PM – 05:00 PM
family beach time
Check first02:00 PM – 05:00 PM
- moderate wind
- low rain risk
Confidence 0 % · rules coast-v3
Sources open-meteo-2026092103 · open-meteo-weather-2026092103
photography04:16 PM – 06:16 PM
photography
Possible window04:16 PM – 06:16 PM
- moderate wind
- low rain risk
- late-day light
Confidence 55 % · rules coast-v3
Sources open-meteo-2026092103 · open-meteo-weather-2026092103
sunset05:31 PM – 07:01 PM
sunset
Possible window05:31 PM – 07:01 PM
- moderate wind
- low rain risk
- around sunset
Confidence 55 % · rules coast-v3
Sources open-meteo-2026092103 · open-meteo-weather-2026092103
Explore nearby
Beaches nearby
Nearby alternatives ranked from the information available in the catalogue.
Gruepig · CC BY-SA 4.0Distance0.5 mi
Lindquist Beach, St. Thomas Island
A very close alternative
Distance0.8 mi
Vessup Bay, St. Thomas Island
A very close alternative
Distance0.9 mi
Bluebeards Beach, St. Thomas Island
A very close alternative
Distance1.2 mi
Secret Harbor, St. Thomas Island
A very close alternative
Distance1.5 mi
Water Bay, St. Thomas
A very close alternative
Distance1.5 mi
Coki Point, St. Thomas Island
A very close alternative
Discovery score: distance, available annual classification and catalogue quality. It is neither real-time health advice nor a safety conclusion.
Temperature over 48 hours
Updated at 11:00 PMModelled forecasts may change. Hourly values are spaced three hours apart; scroll to view all 48 hours.
The place in pictures
View on Google Maps ↗Real photographs of Sapphire Beach. They provide context but do not show current conditions.
Country profile
- Languages
- English
- Emergency
- General number 911
- Currency
- United States dollar
- Driving side
- left
Wikidata · CC0 · Retrieved on Sep 18, 2026
Sources and method
How to read the figures on this page, and what they do not say.
- Sea temperature and conditions
- Temperature and conditions come from a limited-resolution coastal model, not an observation at the beach. Do not use for navigation or to conclude that bathing is safe.
- Beach characteristics
- These place characteristics are recorded from the linked sources. They describe the place, not current conditions.
Source & freshness
Open-Meteo, modèle SMOC Météo-France/Copernicus MarineFresh
Modelled data · tide
Method and source ↗Licence ↗Données météo par Open-Meteo.comFresh
Modelled data · weather
Method and source ↗Licence ↗Données marines par Open-Meteo.comFresh
Modelled data · waves
Method and source ↗Licence ↗U.S. Environmental Protection Agency — RAD and Beach Attributes; U.S. federal government work, public domain (17 U.S.C. §105)aging
Official catalogue · bathing
Method and source ↗Niveau marin modélisé, précision côtière limitée et référentiel différent du zéro hydrographique.
GeoNames · CC BY 4.0
Modelled data and this estimate do not replace an official source. Mareloa is not a navigation tool.