Monday, April19, 2021
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Marine Weather and Tides
Esperanza, PR

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:01AMSunset 6:41PM Monday April 19, 2021 5:01 PM AST (21:01 UTC) Moonrise 11:35AMMoonset 12:20AM Illumination 54% Phase: First Quarter Moon; Moon at 8 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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AMZ725 Coastal Waters Of Southern Usvi Vieques And Eastern Puerto Rico Out 10 Nm- 330 Pm Ast Mon Apr 19 2021
Tonight..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 10 seconds. Isolated showers.
Tuesday..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 10 seconds. Isolated showers through the day.
Tuesday night..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 10 seconds. Isolated showers.
Wednesday..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Isolated showers.
Wednesday night..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Scattered showers.
Thursday..East winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Scattered showers.
Friday..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Scattered showers.
Saturday..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Scattered showers.
AMZ700 330 Pm Ast Mon Apr 19 2021
Synopsis for puerto rico and the uS. Virgin islands waters... A surface high pressure over the central atlantic will continue to promote light to moderate east to southeast winds for the next several days. Marine conditions are expected to continue improving through Tuesday. However, increasing winds will cause somewhat choppy seas across the offshore waters and local passages by midweek.


7 Day Forecast for Marine Location Near Esperanza, PR
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location: 18.12, -65.46     debug


Area Discussion for - San Juan, PR
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FXCA62 TJSJ 192019 AFDSJU

Area Forecast Discussion National Weather Service San Juan PR 419 PM AST Mon Apr 19 2021

SYNOPSIS. Generally fair and stable weather conditions will prevail through the workweek, with suspended Saharan Dust particulates generating hazy skies through at least Tuesday. A surface high pressure over the central Atlantic will continue to promote light to moderate east to southeast winds, steering an extended area of drier air into the region. Along with unfavorable conditions aloft, this scenario will not support the chance for significant rainfall accumulations nor flooding. However, it does presents the chance for normal to above normal daytime temperatures and the potential for elevated fire danger conditions during the next few days.

SHORT TERM. Tonight through Wednesday .

Mainly fair and stable weather conditions with hazy skies due to the presence of suspended Saharan Dust particulates will prevail through at least Tuesday. Although the Saharan Dust layer is expected to move away, generally dry weather conditions will continue through midweek. Recent satellite imagery continues to show an extended mass of drier air, with satellite-derived total precipitable water vapor around 1.1 inches, covering most of the eastern Caribbean and western tropical Atlantic. A few patches of slightly higher precipitable water vapor can be seen within, approaching the northern Leeward Islands from the east.

The drier air mass will continue to dominate the local weather conditions, moving into the area under a generally east to southeast wind flow. In the meantime, mid-to-upper ridging will maintain a strong trade wind inversion, subsidence, and significantly dry conditions aloft. This combination will limit any chance for shower activity across the region. Nevertheless, isolated shower activity cannot be ruled out over the local waters from time to time, with locally- induced shower development expected across portions of northwestern Puerto Rico each afternoon. In this scenario, significant rainfall accumulations nor flooding will pose a threat. However, this same scenario presents the chance for normal to above normal daytime temperatures that could peak into the lower 90s as the low-level wind flow remains from the east- southeast during the next few days. Further drying of soils and fuels along with a lack of wetting rains and increasing winds will support elevated fire weather conditions.

LONG TERM. Thursday through Monday .

FROM PREV DISCUSSION. /issued 452 AM AST Mon Apr 19 2021/

Drier conditions will persist until Friday, as the mid level ridge moves to northeast of the Leeward islands and polar trough moves across the western Atlantic. At lower levels, a surface high over the central Atlantic will continue to promote east to southeast winds. This will result in warmer daytime high temperatures across the islands. A slight increase in winds expected by midweek. Another surface high will enter the western Atlantic and move into the central Atlantic during the weekend, this will cause a more easterly wind flow across the region.

An increase in moisture is expected by the second part of the workweek. Thus, expect trade wind showers to move at times during the overnight across the USVI and eastern sections of PR, followed by diurnally induced afternoon showers over northwestern PR on Thursday and Friday. The weekend looks similar, however, a drying trend is expected once again. Winds will shift more to the east, and afternoon showers are expected to develop over the western interior and west coast of PR.

AVIATION. VFR conds expected through the forecast period. E-SE winds at around 15kt and ocasional gusts expected this afternoon through 19/22Z with sea breeze variations. Some haze due to Saharan dust, but VIS will remain P6SM. Winds will decrease after 19/22Z, becoming light and variable at the terminals in PR. Slight chance of VCSH at TJBQ after 19/18Z.

MARINE. A surface high pressure over the central Atlantic will continue to promote moderate east to southeast winds for the next several days. Marine conditions are expected to continue improving through Tuesday. However, increasing winds will cause somewhat choppy seas across the offshore waters and local passages by midweek.

For the beachgoers, there is a moderate risk of rip currents for most of the northern and east facing beaches of the islands, and across the southeast and southwest coasts of Puerto Rico and Vieques.

PRELIMINARY POINT TEMPS/POPS. SJU 76 89 75 88 / 10 20 20 20 STT 76 87 75 85 / 10 10 20 20

SJU WATCHES/WARNINGS/ADVISORIES. PR . None. VI . None. AM . None.

SHORT TERM . WS LONG TERM . ICP PUBLIC DESK . CVB


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ESPP4 - 9752695 - Esperanza, PR 2 mi43 min ESE 11 G 14 83°F1017.6 hPa
41056 10 mi61 min ESE 14 G 16 81°F 81°F2 ft
CLBP4 - 9752235 - Culebra, PR 15 mi43 min 85°F 83°F1017.2 hPa
CHAV3 - 9751639 - Charlotte Amalie, VI 32 mi49 min 82°F 1017.3 hPa
41052 - South of St. John, Virgin Islands 38 mi61 min E 12 G 14 82°F 81°F3 ft1016.5 hPa (-1.9)
LAMV3 41 mi43 min 81°F 85°F
41053 - San Juan, PR 42 mi61 min E 18 G 23 81°F 81°F3 ft1015.5 hPa (-2.0)
JOXP4 - Jobos Bay Reserve, Puerto Rico 42 mi76 min ESE 8 84°F 1019 hPa72°F
SJNP4 - 9755371 - San Juan, PR 42 mi43 min E 18 G 23 82°F 83°F1016.4 hPa
CHSV3 - 9751364 - Christiansted Harbor, Virgin Islands 48 mi49 min ESE 7 G 12 85°F 82°F1017.4 hPa
LTBV3 - 9751401 - Lime Tree Bay, VI 48 mi43 min SSE 4.1 G 9.9 83°F 84°F1018.4 hPa

Wind History for Esperanza, Vieques Island, PR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Juan, Luis Munoz Marin International Airport, PR36 mi65 minE 179.00 miMostly Cloudy86°F72°F63%1016.5 hPa

Link to 5 minute data for TJSJ

Wind History from JSJ (wind in knots)
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Last 24hrSE12SE11S7SE3SE5SE3SE4E6E5E5SE3CalmCalmCalmCalmE5SE5CalmE17
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1 day agoSE6SE5S9SE5SE3S3CalmS6S3S6E4CalmS5CalmSE3Calm6NE5NE96S9SE7
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Tide / Current Tables for Puerto Ferro, Isla de Vieques, Puerto Rico
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Puerto Ferro
Click for Map
Mon -- 12:20 AM AST     Moonset
Mon -- 03:33 AM AST     0.85 feet High Tide
Mon -- 06:02 AM AST     Sunrise
Mon -- 11:34 AM AST     Moonrise
Mon -- 06:39 PM AST     Sunset
Mon -- 08:04 PM AST     0.10 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.70.80.80.90.80.80.80.80.80.70.70.70.60.50.50.40.30.20.10.10.10.20.3

Tide / Current Tables for Vieques Passage, Puerto Rico Current (2)
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Vieques Passage
Click for Map
Mon -- 12:07 AM AST     0.00 knots Slack
Mon -- 12:21 AM AST     Moonset
Mon -- 03:41 AM AST     0.57 knots Max Flood
Mon -- 06:02 AM AST     Sunrise
Mon -- 06:51 AM AST     -0.00 knots Slack
Mon -- 10:31 AM AST     -0.73 knots Max Ebb
Mon -- 11:35 AM AST     Moonrise
Mon -- 02:24 PM AST     0.00 knots Slack
Mon -- 05:01 PM AST     0.36 knots Max Flood
Mon -- 06:40 PM AST     Sunset
Mon -- 07:57 PM AST     -0.00 knots Slack
Mon -- 10:33 PM AST     -0.30 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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