Water Temperature of Christiansted Harbor in Christiansted (St. Croix), VI

Current Water Temperature

85.5°F

Measurement Time: Tuesday, September 16, 2025, 8:42 AM AST

Today's Tides

 Low: September 16, 7:39 AM, -0.01 ft
High: September 16, 6:17 PM, 0.94 ft

Temperature Locations

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Local Points of Interest

Gallows Bay; Beauregard Bay; Altona Lagoon; Martel Bay; St. Croix; Caribbean Sea

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Christiansted Harbor

Station Name: Christiansted Harbor, St Croix
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 7 feet / 2 meters

Sensor Depth: -3.1 feet / -0.9 meters

Nearest Address:
2B Anchor Way
Christiansted (St. Croix), VI 00824
Saint Croix District County

GPS Coordinates: 17.747694, -64.69839

Nearby Water Temperatures

Limetree Bay, St. Croix, VI (5.2 mi)
Caribbean Sea, St. John, VI (34.9 mi)
Lameshur Bay, Coral Harbour (St. John), VI (39.5 mi)
Long Bay, Charlotte Amalie (St. Thomas), VI (43.2 mi)
Bahía de Sardinas, Culebra, PR (55.1 mi)
Caribbean Sea, Esperanza, PR (56.2 mi)
Atlantic Ocean, Vieques, PR (61.5 mi)
Unnamed Creek, Fort Buchanan, PR (103.8 mi)
Unnamed Creek, Fort Buchanan, PR (104.1 mi)
Las Casas Lake, Fort Buchanan, PR (104.3 mi)
Atlantic Ocean, San Juan, PR (104.8 mi)
San Juan Bay, San Juan, PR (105.3 mi)
Caribbean Sea, La Parguera, PR (155.2 mi)
Bahía de Mayagüez, Mayagüez, PR (165.2 mi)
Bahía de Aguadilla, Aguadilla, PR (169.2 mi)

Weather for Christiansted (St. Croix), US Virgin Islands

Current Weather

84.7°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 79%
Feels Like: 97.3°F
Wind: ENE 17 mph
Wind Gusts: 22.6 mph
Pressure: 29.96 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 1.5

Five Day Weather Forecast

Sunny
Tue
H: 88°F
L: 83°F
Heavy rain
Wed
H: 83°F
L: 80°F
Heavy rain
Thu
H: 84°F
L: 82°F
Moderate rain
Fri
H: 86°F
L: 80°F
Patchy rain nearby
Sat
H: 86°F
L: 80°F

Air Quality

AQI: 1 - Good
PM2.5: 11.25 μg/m3
PM10: 20.47 μg/m3
Carbon Monoxide: 206.57 μg/m3
Nitrogen Dioxide: 0.18 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 39 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:13 AM
Sunset: 6:20 PM
Daylight: 12 hrs 13 mins
Moonrise: 1:14 AM
Moon Transit: 8:06 AM
Moonset: 2:57 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

7:36 AM - 10:06 AM
12:00 AM - 12:00 AM

Minor Periods

2:27 PM - 3:57 PM
12:44 AM - 2:14 AM

Action Rating: 2 out of 5

Hydrologic Outlook issued September 15 at 3:18AM AST by NWS San Juan PR

Effective: Mon September 15, 2025, 3:18 AM
Expires: Wed September 17, 2025, 8:15 AM

ESFSJU The active afternoons experienced in the past couple of days have maintained saturated soils along a great portion of the interior and west of Puerto Rico. These rains have also recharged must of the stream channels in Puerto Rico, with the exceptions of a few river in the eastern-interior and southeast. The forecast for this week calls for a low level disturbance moving in today, and a tropical wave coupled with an upper level low arriving on Wednesday and Thursday. With the disturbance reaching the islands today, the best chances of heavy showers and thunderstorms are early for the Virgin Islands, and then this activity will spread into Puerto Rico, reaching the east, the San Juan metro area, the interior and west. The wave moving in on Wednesday and Thursday looks stronger, and will likely cause an increase in the coverage of showers and thunderstorms in Puerto Rico and the Virgin Islands. So far, the event is not expected to be a complete wash out, but the local guidance are hinting on an upper and low level atmospheric pattern favorable for rainfall production. The main threats in Puerto Rico for most of the workweek will be the risk of urban and isolated flash flooding, landslides, water surges along rivers, and some rivers reaching flood stage. Rainfall accumulation could range from 1-2 inches each day, with higher isolated amounts, especially on Wednesday and Thursday. The main threats in the Virgin Islands are water surges along drainage guts, ponding of water in roadways and low-lying areas, and isolated urban flood and landslides. Rainfall accumulation could range from up to an inch each day, and very isolated higher amounts. The users should continue to monitor the evolution of the forecast, and stay tuned for any flood products issued by the National Weather Service. This product will be updated again only if conditions change.


Hydrologic Outlook issued September 15 at 3:18AM AST by NWS San Juan PR

Effective: Mon September 15, 2025, 3:18 AM
Expires: Wed September 17, 2025, 8:15 AM

ESFSJU The active afternoons experienced in the past couple of days have maintained saturated soils along a great portion of the interior and west of Puerto Rico. These rains have also recharged must of the stream channels in Puerto Rico, with the exceptions of a few river in the eastern-interior and southeast. The forecast for this week calls for a low level disturbance moving in today, and a tropical wave coupled with an upper level low arriving on Wednesday and Thursday. With the disturbance reaching the islands today, the best chances of heavy showers and thunderstorms are early for the Virgin Islands, and then this activity will spread into Puerto Rico, reaching the east, the San Juan metro area, the interior and west. The wave moving in on Wednesday and Thursday looks stronger, and will likely cause an increase in the coverage of showers and thunderstorms in Puerto Rico and the Virgin Islands. So far, the event is not expected to be a complete wash out, but the local guidance are hinting on an upper and low level atmospheric pattern favorable for rainfall production. The main threats in Puerto Rico for most of the workweek will be the risk of urban and isolated flash flooding, landslides, water surges along rivers, and some rivers reaching flood stage. Rainfall accumulation could range from 1-2 inches each day, with higher isolated amounts, especially on Wednesday and Thursday. The main threats in the Virgin Islands are water surges along drainage guts, ponding of water in roadways and low-lying areas, and isolated urban flood and landslides. Rainfall accumulation could range from up to an inch each day, and very isolated higher amounts. The users should continue to monitor the evolution of the forecast, and stay tuned for any flood products issued by the National Weather Service. This product will be updated again only if conditions change.


Heat Advisory issued September 16 at 3:18AM AST until September 16 at 5:00PM AST by NWS San Juan PR

Effective: Tue September 16, 2025, 3:18 AM
Expires: Tue September 16, 2025, 11:30 AM

* WHAT...This level of heat affect most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health system and in heat-sensitive industries. * WHERE...All urban and coastal areas, as well as the eastern interior, Vieques, Culebra in Puerto Rico, and all of the U.S. Virgin Islands. * WHEN...From 10 AM this morning to 5 PM AST this afternoon. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Hydrologic Outlook issued September 15 at 3:18AM AST by NWS San Juan PR

Effective: Mon September 15, 2025, 3:18 AM
Expires: Wed September 17, 2025, 8:15 AM

ESFSJU The active afternoons experienced in the past couple of days have maintained saturated soils along a great portion of the interior and west of Puerto Rico. These rains have also recharged must of the stream channels in Puerto Rico, with the exceptions of a few river in the eastern-interior and southeast. The forecast for this week calls for a low level disturbance moving in today, and a tropical wave coupled with an upper level low arriving on Wednesday and Thursday. With the disturbance reaching the islands today, the best chances of heavy showers and thunderstorms are early for the Virgin Islands, and then this activity will spread into Puerto Rico, reaching the east, the San Juan metro area, the interior and west. The wave moving in on Wednesday and Thursday looks stronger, and will likely cause an increase in the coverage of showers and thunderstorms in Puerto Rico and the Virgin Islands. So far, the event is not expected to be a complete wash out, but the local guidance are hinting on an upper and low level atmospheric pattern favorable for rainfall production. The main threats in Puerto Rico for most of the workweek will be the risk of urban and isolated flash flooding, landslides, water surges along rivers, and some rivers reaching flood stage. Rainfall accumulation could range from 1-2 inches each day, with higher isolated amounts, especially on Wednesday and Thursday. The main threats in the Virgin Islands are water surges along drainage guts, ponding of water in roadways and low-lying areas, and isolated urban flood and landslides. Rainfall accumulation could range from up to an inch each day, and very isolated higher amounts. The users should continue to monitor the evolution of the forecast, and stay tuned for any flood products issued by the National Weather Service. This product will be updated again only if conditions change.


Hydrologic Outlook issued September 15 at 3:18AM AST by NWS San Juan PR

Effective: Mon September 15, 2025, 3:18 AM
Expires: Wed September 17, 2025, 8:15 AM

ESFSJU The active afternoons experienced in the past couple of days have maintained saturated soils along a great portion of the interior and west of Puerto Rico. These rains have also recharged must of the stream channels in Puerto Rico, with the exceptions of a few river in the eastern-interior and southeast. The forecast for this week calls for a low level disturbance moving in today, and a tropical wave coupled with an upper level low arriving on Wednesday and Thursday. With the disturbance reaching the islands today, the best chances of heavy showers and thunderstorms are early for the Virgin Islands, and then this activity will spread into Puerto Rico, reaching the east, the San Juan metro area, the interior and west. The wave moving in on Wednesday and Thursday looks stronger, and will likely cause an increase in the coverage of showers and thunderstorms in Puerto Rico and the Virgin Islands. So far, the event is not expected to be a complete wash out, but the local guidance are hinting on an upper and low level atmospheric pattern favorable for rainfall production. The main threats in Puerto Rico for most of the workweek will be the risk of urban and isolated flash flooding, landslides, water surges along rivers, and some rivers reaching flood stage. Rainfall accumulation could range from 1-2 inches each day, with higher isolated amounts, especially on Wednesday and Thursday. The main threats in the Virgin Islands are water surges along drainage guts, ponding of water in roadways and low-lying areas, and isolated urban flood and landslides. Rainfall accumulation could range from up to an inch each day, and very isolated higher amounts. The users should continue to monitor the evolution of the forecast, and stay tuned for any flood products issued by the National Weather Service. This product will be updated again only if conditions change.


Tuesday, September 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 84.3°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 17.2 mph
UV Index: 2.7

Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 15.17 μg/m3
Carbon Monoxide: 206.94 μg/m3
Nitrogen Dioxide: 0.3 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 41.04 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:13 AM
Sunset: 6:20 PM
Daylight: 12 hrs 13 mins
Moonrise: 1:14 AM
Moon Transit: 8:06 AM
Moonset: 2:57 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

7:36 AM - 10:06 AM
12:00 AM - 12:00 AM

Minor Periods

2:27 PM - 3:57 PM
12:44 AM - 2:14 AM

Action Rating: 2 out of 5

Wednesday, September 17, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 82.5°F
Average Humidity: 79%
Chance of Rain: 88%
Wind: 13.6 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 5.47 μg/m3
PM10: 9 μg/m3
Carbon Monoxide: 197.28 μg/m3
Nitrogen Dioxide: 0.35 μg/m3
Sulphur Dioxide: 0.92 μg/m3
Ozone: 46.36 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:13 AM
Sunset: 6:19 PM
Daylight: 12 hrs 12 mins
Moonrise: 2:16 AM
Moon Transit: 9:02 AM
Moonset: 3:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

8:32 AM - 11:02 AM
12:00 AM - 12:00 AM

Minor Periods

3:14 PM - 4:44 PM
1:46 AM - 3:16 AM

Action Rating: 2 out of 5

Thursday, September 18, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 83.1°F
Average Humidity: 77%
Chance of Rain: 89%
Wind: 15.4 mph
UV Index: 2.6

Air Quality

AQI: 1 - Good
PM2.5: 7.01 μg/m3
PM10: 11.65 μg/m3
Carbon Monoxide: 190.27 μg/m3
Nitrogen Dioxide: 0.46 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 48.12 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:12 AM
Sunset: 6:18 PM
Daylight: 12 hrs 11 mins
Moonrise: 3:14 AM
Moon Transit: 9:52 AM
Moonset: 4:27 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:27 AM - 2:57 AM
9:22 AM - 11:52 AM

Minor Periods

3:57 PM - 5:27 PM
2:44 AM - 4:14 AM

Action Rating: 2 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 83°F
Average Humidity: 77%
Chance of Rain: 89%
Wind: 15 mph
UV Index: 2.7

Air Quality

AQI: 1 - Good
PM2.5: 8.73 μg/m3
PM10: 15.69 μg/m3
Carbon Monoxide: 189.09 μg/m3
Nitrogen Dioxide: 0.36 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 40.68 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:12 AM
Sunset: 6:17 PM
Daylight: 12 hrs 10 mins
Moonrise: 4:10 AM
Moon Transit: 10:39 AM
Moonset: 5:04 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

1:15 AM - 3:45 AM
10:09 AM - 12:39 AM

Minor Periods

4:34 PM - 6:04 PM
3:40 AM - 5:10 AM

Action Rating: 3 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.6°F
Average Humidity: 73%
Chance of Rain: 89%
Wind: 11.2 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 8.04 μg/m3
PM10: 16.23 μg/m3
Carbon Monoxide: 175.79 μg/m3
Nitrogen Dioxide: 0.57 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 36.31 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 12:12 AM
Sunset: 6:17 PM
Daylight: 12 hrs 9 mins
Moonrise: 5:02 AM
Moon Transit: 11:22 AM
Moonset: 5:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:59 AM - 4:29 AM
10:52 AM - 1:22 PM

Minor Periods

5:09 PM - 6:39 PM
4:32 AM - 6:02 AM

Action Rating: 4 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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