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Marine Weather and Tides
Version 3.4 |
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone. 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 6:03AM | Sunset 7:06PM | Tuesday July 27, 2021 2:57 AM AST (06:57 UTC) | Moonrise 10:06PM | Moonset 9:22AM | Illumination 91% |  |
AMZ742 Coastal Waters Of Northwestern Puerto Rico Out 10 Nm- 842 Pm Ast Mon Jul 26 2021
Rest of tonight..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated showers.
Tuesday..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated showers.
Tuesday night..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds.
Wednesday..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Numerous showers through the day. Isolated Thunderstorms in the afternoon.
Wednesday night..East winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated showers.
Thursday..East winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated Thunderstorms. Scattered showers.
Friday..East winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated showers.
Saturday..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated showers.
Rest of tonight..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated showers.
Tuesday..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated showers.
Tuesday night..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds.
Wednesday..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Numerous showers through the day. Isolated Thunderstorms in the afternoon.
Wednesday night..East winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated showers.
Thursday..East winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated Thunderstorms. Scattered showers.
Friday..East winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated showers.
Saturday..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated showers.
AMZ700 842 Pm Ast Mon Jul 26 2021
Synopsis for puerto rico and the uS. Virgin islands waters... Winds will turn more from the east to northeast later tonight through Tuesday. More tranquil seas will be observe late tonight into tomorrow, lasting through the weekend. A weak trough on Wednesday will shift winds once again from the east to southeast, and increase the potential for isolated Thunderstorms across the regional waters through Thursday.
Synopsis for puerto rico and the uS. Virgin islands waters... Winds will turn more from the east to northeast later tonight through Tuesday. More tranquil seas will be observe late tonight into tomorrow, lasting through the weekend. A weak trough on Wednesday will shift winds once again from the east to southeast, and increase the potential for isolated Thunderstorms across the regional waters through Thursday.
7 Day Forecast for Marine Location Near Rinc�n, PR
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location: 18.34, -67.29 debug
Area Discussion for - San Juan, PR
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXCA62 TJSJ 270101 AFDSJU
Area Forecast Discussion National Weather Service San Juan PR 901 PM AST Mon Jul 26 2021
UPDATE. The latest sounding, TJSJ 27/00Z, shows a steering flow now from the east-northeast. The air mass looks drier as well, with precipitable water values around 1.7 inches. Not too many clouds are evident to the northeast of the islands for the rest of the evening hours, but later in the overnight and early morning, advective showers will be favored over the northern and eastern portions of the forecast area. Significant rainfall accumulations are not expected at this time.
AVIATION. VFR conditions expected to prevail through the forecast period. Light showers are expected to move in the overnight through 27/12Z but without having significant impacts. Stronger activity between 16-20Z for SW PR could result in mountain obscuration. Winds will turn light and variable through 27/12Z, then out of the E at 15 to 20 knots.
MARINE. Latest buoy observations have seas up to 5 feet for the offshore waters, and 2-3 feet nearshore. Moderate winds at 15 to 20 knots are expected to continue, resulting in choppy seas. For the beaches, the rip current risk is moderate for the northern, eastern and southeastern coast of Puerto Rico, and for most of Vieques and Culebra, south st. John and the northern and eastern half of St. Croix.
PREV DISCUSSION. /issued 450 PM AST Mon Jul 26 2021/
SYNOPSIS .
A somewhat drier air mass with low concentrations of Saharan Dust particles will continue to filter in over the forecast area through mid-week. This will be followed by another TUTT reaching the area, increasing chances of showers and isolated thunderstorms over the area. Choppy marine conditions will continue for the next few days.
SHORT TERM . Tonight through Wednesday .
Weather conditions are expected to gradually improved tonight into tomorrow. Thus, limited shower activity is expected tonight into the overnight. A shift in winds now more to the east northeast will result in a east northeasterly wind flow pattern. Thus, a few advecting showers could affect portions of the northeastern sections during the early morning hours. However, the chance of showers and isolated thunderstorms will increase once again due to another TUTT placing itself near the area by Tuesday into Wednesday. Latest model guidance suggest Wednesday as the most active day in terms of weather.
LONG TERM . Thursday through Tuesday . From Prev Discussion.
Conditions are expected to remain somewhat unsettled on Thursday as the TUTT will be situated over the Dominican Republic, with the area remaining on the favorable side for divergence aloft. This in combination with near-normal moisture levels will help to promote another round of enhanced afternoon convection, mainly across the northwestern quadrant of Puerto Rico with the low-level flow becoming southeasterly. As the TUTT continues to move farther westward, a mid and upper-level ridge will then build into the area on Friday and into next weekend, promoting dry air intrusion. A tropical wave is expected to move across the Caribbean waters late Friday into early Saturday, however, at this time model guidance suggests that the most active part of the wave remains south of the area. Therefore, mainly fair weather conditions are forecast at this time for Friday and into the upcoming weekend with limited afternoon convection possible across western Puerto Rico. Another TUTT is expected to retrograde towards the area early next week, with an increase in convection possible once again.
AVIATION .
SHRA/TSRA could linger in and around TJBQ till 22z. Elsewhere, mainly VFR conditions will prevail during the next 24 hours. ESE winds will continue around 15 kt with higher gusts through late this afternoon, shifting from the ENE at 8-15 kt tonight into Tuesday.
MARINE .
Small craft operators should continue to exercise caution due to seas between 3 and 6 feet and winds up to 20 knots. More tranquil seas are forecast through the rest of the work week. There is a moderate risk of rip currents for the northern and southeastern beaches of Puerto Rico as well as for most of the beaches of Vieques, Culebra, and St. Croix tonight.
PRELIMINARY POINT TEMPS/POPS. SJU 77 86 76 87 / 30 30 40 40 STT 78 89 77 87 / 30 30 40 30
SJU WATCHES/WARNINGS/ADVISORIES. PR . None. VI . None. AM . None.
SHORT TERM . ERG LONG TERM . FRG PUBLIC DESK . ICP
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| 41115 - Rincon, Puerto Rico (181) | 3 mi | 62 min | 84°F | 2 ft | ||||
| PTRP4 | 3 mi | 43 min | E 5.1 G 6 | 78°F | ||||
| MGZP4 - 9759394 - Mayaguez, PR | 11 mi | 64 min | 78°F | 85°F | 1016.3 hPa | |||
| MGIP4 - 9759110 - Magueyes Islands, PR | 29 mi | 64 min | ENE 1 G 2.9 | 80°F | 85°F | 1016.6 hPa | ||
| 41121 | 33 mi | 62 min | 83°F | 3 ft | ||||
| AROP4 - 9757809 - Arecibo, PR | 33 mi | 64 min | SSE 4.1 G 5.1 | 83°F |
Wind History for Mayaguez, PR
(wind in knots) EDIT (on/off) Help| Last 24hr | ||||||||||||||||||||||||
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Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
Link to 5 minute data for TJMZ
Wind History from JMZ (wind in knots)
| 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | |
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Tide / Current Tables for Mayaguez, Puerto Rico
EDIT Weekend mode (on/off) (on/off) Help One Week of DataMayaguez
Click for Map
Tue -- 05:36 AM AST 0.38 feet Low Tide
Tue -- 06:05 AM AST Sunrise
Tue -- 09:21 AM AST Moonset
Tue -- 10:53 AM AST 1.16 feet High Tide
Tue -- 05:04 PM AST 0.13 feet Low Tide
Tue -- 07:04 PM AST Sunset
Tue -- 10:05 PM AST Moonrise
Tue -- 11:39 PM AST 1.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 05:36 AM AST 0.38 feet Low Tide
Tue -- 06:05 AM AST Sunrise
Tue -- 09:21 AM AST Moonset
Tue -- 10:53 AM AST 1.16 feet High Tide
Tue -- 05:04 PM AST 0.13 feet Low Tide
Tue -- 07:04 PM AST Sunset
Tue -- 10:05 PM AST Moonrise
Tue -- 11:39 PM AST 1.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 1.6 | 1.4 | 1.1 | 0.8 | 0.6 | 0.4 | 0.4 | 0.5 | 0.7 | 0.9 | 1.1 | 1.2 | 1.1 | 0.9 | 0.6 | 0.4 | 0.2 | 0.1 | 0.2 | 0.4 | 0.7 | 1.1 | 1.4 | 1.6 |
Tide / Current Tables for Puerto Real, Puerto Rico
EDIT (on/off) Help One Week of DataPuerto Real
Click for Map
Tue -- 05:31 AM AST 0.28 feet Low Tide
Tue -- 06:05 AM AST Sunrise
Tue -- 09:21 AM AST Moonset
Tue -- 10:50 AM AST 0.84 feet High Tide
Tue -- 04:59 PM AST 0.09 feet Low Tide
Tue -- 07:04 PM AST Sunset
Tue -- 10:05 PM AST Moonrise
Tue -- 11:36 PM AST 1.16 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 05:31 AM AST 0.28 feet Low Tide
Tue -- 06:05 AM AST Sunrise
Tue -- 09:21 AM AST Moonset
Tue -- 10:50 AM AST 0.84 feet High Tide
Tue -- 04:59 PM AST 0.09 feet Low Tide
Tue -- 07:04 PM AST Sunset
Tue -- 10:05 PM AST Moonrise
Tue -- 11:36 PM AST 1.16 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 1.2 | 1 | 0.8 | 0.6 | 0.4 | 0.3 | 0.3 | 0.4 | 0.5 | 0.7 | 0.8 | 0.8 | 0.8 | 0.6 | 0.5 | 0.3 | 0.1 | 0.1 | 0.2 | 0.3 | 0.5 | 0.8 | 1 | 1.1 |
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