Marine Weather and Tides
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
|Sunrise 6:06AM||Sunset 6:16PM||Thursday September 21, 2017 5:06 PM AST (21:06 UTC)||Moonrise 7:15AM||Moonset 7:27PM||Illumination 1%|
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7 Day Forecast for Marine Location Near SuĂˇrez, PRHourly EDIT Help
Area Discussion for - San Juan, PR  (on/off)  Help NOTE: mouseover dotted underlined text for definition
|Fxca62 tjsj 212014|
area forecast discussion
national weather service san juan pr
issued by national weather service miami fl
414 pm ast Thu sep 21 2017
Removed the tropical storm warning from the offshore atlantic
waters northwest of puerto rico.
Discussion... Hurricane maria continues to move northwest away
from puerto rico, but the southerly moisture flow on the southeast
side of maria lingers. The outer bands of maria extend over 400
miles to the southeast of the center. This southerly moisture flow
will unfortunately remain through the weekend which will increase
rain chances and maintain breezy conditions across puerto rico
and the us virgin islands.
Any rain that puerto rico receives, which is hard to detect with
the tjua radar down, will aggravate the ongoing record flooding
on many of the rivers. Heavy rainfall and standing water is
continuing in many locations away from rivers which presents its
own difficulties. Mudslides have occurred and will likely continue
with any additional heavy rainfall. Thus, will keep the flash
flood watch up across all of puerto rico and the us virgin
Heat index values will be in the mid to upper 90s today and
tomorrow but will push 100 or more by the weekend. This will make
recovery efforts difficult and overall living unpleasant as
electricity remains out across the island.
Easterly trade winds will not return until the middle of next
hurricane maria continues to move away from the region with wind
speeds and gust beginning to subside as we move through the taf
period. Lingering moisture particularly on the west side of puerto
rico with MVFR conditions in those regions. Usvi have begun to see
some drier air and conditions should improve for these regions with
winds gusting 20-25kts. Moisture from maria will allow vicinity
showers and storms to be possible across the us virgin islands. Amd
not sked remains for all terminals, continue to check with
authorities for airport closures.
hurricane maria will continue moving away from the local
waters allowing the occasional tropical storm force winds to|
subside in the the waters northwest of puerto rico. Elsewhere a
small craft advisory is in effect with south winds of 20 to 30
knots slowly lessening late this evening. More moderate south-
southeast flow is expected through the weekend with seas
continuing to subside.
Showers and thunderstorms with heavy rain, locally higher winds
and waves, and reduced visibilities will be possible in the outer
bands of maria through the weekend.
Preliminary point temps pops
Sju 81 87 82 86 20 30 0 20
stt 83 84 83 83 80 80 30 60
Sju watches warnings advisories
Pr... Flash flood watch through Friday afternoon for central interior-
culebra-eastern interior-mayaguez and vicinity-north
central-northeast-northwest-ponce and vicinity-san juan and
Small craft advisory until 6 pm ast Friday for southeast-
Vi... Flash flood watch through Friday afternoon for st croix-
st.Thomas... St. John... And adjacent islands.
Small craft advisory until 6 pm ast Friday for st.Thomas... St.
John... And adjacent islands.
Am... Flash flood watch through Friday afternoon for coastal waters of
southwestern puerto rico out 10 nm-coastal waters of
northern usvi and culebra out 10 nm-coastal waters of
southern puerto rico out 10 nm-coastal waters of southern
usvi vieques and eastern puerto rico out 10 nm.
Small craft advisory until 6 pm ast Friday for anegada passage
southward to 17n-atlantic waters of puerto rico and usvi
from 10 nm to 19.5n-caribbean waters of puerto rico from 10
nm to 17n-coastal waters of northwestern puerto rico out 10
nm-coastal waters of southwestern puerto rico out 10 nm-
coastal waters of northern puerto rico out 10 nm-coastal
waters of northern usvi and culebra out 10 nm-coastal
waters of southern puerto rico out 10 nm-coastal waters of
southern usvi vieques and eastern puerto rico out 10 nm-
mona passage southward to 17n.
Short term... Md
marine... ... .Md
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