Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
108
FNCA52 TJSJ 090725
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
325 AM AST Sun Nov 9 2025
.DISCUSSION...
Continue to expect periods of showers and isolated thunderstorms
associated with the passage of an easterly wave across the
eastern Caribbean. Therefore, the fire danger risk will remain
low throughout the day today.
PRZ014-100730-
Southeast Coastal Plains-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 70 20 30
Temp (24h trend) 87 (0) 73 (-2) 87
RH % (24h trend) 60 (+1) 92 (+5) 48
Wind 20ft/early(mph) E 17 G23 E 14 G18 E 14 G19
Wind 20ft/late(mph) E 17 G23 E 14 G18 E 14 G19
Mixing Hgt(ft-agl/msl)3680 4430
Transport Wnd (mph) E 22 E 17
Vent Rate (kt-ft) 69920 66450
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ015-100730-
Southern Hills-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 60 30 40
Temp (24h trend) 84 (+1) 69 (-3) 85
RH % (24h trend) 68 (-1) 97 (+6) 59
Wind 20ft/early(mph) E 14 E 14 E 12
Wind 20ft/late(mph) E 14 E 14 E 12
Mixing Hgt(ft-agl/msl)4420 4860
Transport Wnd (mph) E 22 E 17
Vent Rate (kt-ft) 83980 72900
Dispersion 5 5
DSI 5 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ016-100730-
North Coastal Plains-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 40 30
Temp (24h trend) 87 (-1) 72 (-3) 88
RH % (24h trend) 67 (+1) 97 (+5) 61
Wind 20ft/early(mph) E 16 G20 E 13 E 16 G18
Wind 20ft/late(mph) E 16 G20 E 13 E 16 G18
Mixing Hgt(ft-agl/msl)4510 5030
Transport Wnd (mph) SE 21 E 16
Vent Rate (kt-ft) 81180 70420
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ017-100730-
Northern Hills-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 40 20 50
Temp (24h trend) 86 (-1) 70 (-2) 87
RH % (24h trend) 66 (+2) 97 (+3) 58
Wind 20ft/early(mph) E 14 E 11 E 13
Wind 20ft/late(mph) E 14 E 11 E 13
Mixing Hgt(ft-agl/msl)4920 5710
Transport Wnd (mph) SE 18 SE 14
Vent Rate (kt-ft) 78720 68520
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ018-100730-
West Coast-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 60 40 60
Temp (24h trend) 88 (0) 71 (-2) 88
RH % (24h trend) 66 (-1) 96 (+6) 59
Wind 20ft/early(mph) SE 17 E 16 E 14
Wind 20ft/late(mph) SE 17 E 16 E 14
Mixing Hgt(ft-agl/msl)4460 4930
Transport Wnd (mph) SE 18 E 13
Vent Rate (kt-ft) 71360 54230
Dispersion 5 5
DSI 5 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ019-100730-
Eastern Interior-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 70 50 40
Temp (24h trend) 85 (0) 70 (-3) 85
RH % (24h trend) 69 (+1) 99 (+3) 65
Wind 20ft/early(mph) SE 16 E 16 E 12
Wind 20ft/late(mph) SE 16 E 16 E 12
Mixing Hgt(ft-agl/msl)4240 4560
Transport Wnd (mph) SE 22 E 16
Vent Rate (kt-ft) 80560 63840
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ022-100730-
Luquillo Mountain Range-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 70 50 50
Temp (24h trend) 81 (+2) 68 (-3) 81
RH % (24h trend) 75 (-2) 100 (+1) 73
Wind 20ft/early(mph) SE 14 E 12 E 12
Wind 20ft/late(mph) SE 14 E 12 E 12
Mixing Hgt(ft-agl/msl)3570 4430
Transport Wnd (mph) E 25 E 18
Vent Rate (kt-ft) 78540 70880
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ023-100730-
Central Mountain Range-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 30 60
Temp (24h trend) 84 (+2) 67 (-3) 85
RH % (24h trend) 66 (-3) 98 (+6) 58
Wind 20ft/early(mph) SE 12 E 9 E 9
Wind 20ft/late(mph) SE 12 E 9 E 9
Mixing Hgt(ft-agl/msl)5260 6060
Transport Wnd (mph) SE 20 SE 13
Vent Rate (kt-ft) 89420 66660
Dispersion 5 5
DSI 5 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ024-100730-
Cayey Mountain Range-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 70 50 30
Temp (24h trend) 80 (0) 69 (-2) 81
RH % (24h trend) 76 (+1) 100 (+1) 72
Wind 20ft/early(mph) E 13 E 12 E 10
Wind 20ft/late(mph) E 13 E 12 E 10
Mixing Hgt(ft-agl/msl)3280 4370
Transport Wnd (mph) E 23 E 17
Vent Rate (kt-ft) 65600 65550
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ025-100730-
Vieques-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 70 50 40
Temp (24h trend) 88 (+2) 75 (-2) 87
RH % (24h trend) 63 (-4) 92 (-2) 65
Wind 20ft/early(mph) E 18 G22 E 19 G23 E 14 G19
Wind 20ft/late(mph) E 18 G22 E 19 G23 E 14 G19
Mixing Hgt(ft-agl/msl)3650 4270
Transport Wnd (mph) E 25 E 24
Vent Rate (kt-ft) 80300 89670
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ026-100730-
Culebra-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 70 50 40
Temp (24h trend) 89 (+1) 75 (-3) 89
RH % (24h trend) 62 (-5) 95 (+1) 62
Wind 20ft/early(mph) E 18 G23 E 20 G25 E 14 G19
Wind 20ft/late(mph) E 18 G23 E 20 G25 E 14 G19
Mixing Hgt(ft-agl/msl)3510 4290
Transport Wnd (mph) E 25 E 24
Vent Rate (kt-ft) 77220 90090
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ027-100730-
Southwest Coastal Plains and Mona Island-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 60 50 40
Temp (24h trend) 89 (+1) 74 (-2) 89
RH % (24h trend) 57 (0) 89 (+5) 47
Wind 20ft/early(mph) E 21 G27 E 20 G26 E 20 G26
Wind 20ft/late(mph) E 21 G27 E 20 G26 E 20 G26
Mixing Hgt(ft-agl/msl)3900 4700
Transport Wnd (mph) E 24 E 21
Vent Rate (kt-ft) 81900 84600
Dispersion 5 5
DSI 5 5 6
RH Recovery Excellent
Remarks...None.
$$
VIZ001-100730-
Saint Thomas and Saint John-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 60 50 20
Temp (24h trend) 85 (0) 73 (-4) 85
RH % (24h trend) 71 (-1) 99 (+4) 69
Wind 20ft/early(mph) E 19 G23 E 20 G24 E 16 G20
Wind 20ft/late(mph) E 19 G23 E 20 G24 E 16 G20
Mixing Hgt(ft-agl/msl)3440 4360
Transport Wnd (mph) E 24 E 25
Vent Rate (kt-ft) 72240 95920
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
VIZ002-100730-
St Croix-
325 AM AST Sun Nov 9 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 60 50 30
Temp (24h trend) 89 (+3) 75 (-3) 89
RH % (24h trend) 62 (-8) 90 (-2) 65
Wind 20ft/early(mph) E 18 G22 E 19 G23 E 16 G19
Wind 20ft/late(mph) E 18 G22 E 19 G23 E 16 G19
Mixing Hgt(ft-agl/msl)3730 3700
Transport Wnd (mph) E 26 E 22
Vent Rate (kt-ft) 85790 70300
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
$$