Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
410
FNCA52 TJSJ 300833
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
433 AM AST Sun Nov 30 2025
.DISCUSSION...
Once again, we forecast periods of showers today. RH values will
remain higher than threshold criteria over the fire weather hot
spots. Winds will be mainly from the east at around 12 to 20 mph,
with higher gusts and sea breeze variations. Low risk of fire
weather today, but we encourage people to monitor the forecast for
any changes.
PRZ014-010845-
Southeast Coastal Plains-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 30 10 50
Temp (24h trend) 88 (+2) 70 (-3) 87
RH % (24h trend) 50 (-6) 90 (+4) 48
Wind 20ft/early(mph) E 19 G24 NE 12 E 12
Wind 20ft/late(mph) E 19 G24 NE 12 E 12
Mixing Hgt(ft-agl/msl)5510 5690
Transport Wnd (mph) E 17 NE 10
Vent Rate (kt-ft) 82650 51210
Dispersion 5 5
DSI 6 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ015-010845-
Southern Hills-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 40 10 60
Temp (24h trend) 84 (+2) 67 (-3) 84
RH % (24h trend) 60 (-7) 96 (+6) 59
Wind 20ft/early(mph) E 14 NE 12 NE 11
Wind 20ft/late(mph) E 14 NE 12 NE 11
Mixing Hgt(ft-agl/msl)5910 5480
Transport Wnd (mph) E 17 NE 10
Vent Rate (kt-ft) 88650 49320
Dispersion 5 5
DSI 5 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ016-010845-
North Coastal Plains-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 30 50 50
Temp (24h trend) 86 (-1) 70 (-3) 87
RH % (24h trend) 63 (-3) 97 (+4) 62
Wind 20ft/early(mph) E 18 G21 E 17 G19 NE 13
Wind 20ft/late(mph) E 18 G21 E 17 G19 NE 13
Mixing Hgt(ft-agl/msl)5050 4850
Transport Wnd (mph) E 21 NE 14
Vent Rate (kt-ft) 90900 58200
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ017-010845-
Northern Hills-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 30 30
Temp (24h trend) 84 (-1) 68 (-3) 85
RH % (24h trend) 65 (0) 97 (+3) 63
Wind 20ft/early(mph) E 17 E 14 NE 13
Wind 20ft/late(mph) E 17 E 14 NE 13
Mixing Hgt(ft-agl/msl)5530 5180
Transport Wnd (mph) E 18 NE 14
Vent Rate (kt-ft) 88480 62160
Dispersion 5 5
DSI 6 4 5
RH Recovery Excellent
Remarks...None.
$$
PRZ018-010845-
West Coast-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 70 10 60
Temp (24h trend) 87 (0) 68 (-3) 87
RH % (24h trend) 61 (-5) 97 (+5) 60
Wind 20ft/early(mph) E 14 NE 19 NE 17
Wind 20ft/late(mph) E 14 NE 19 NE 17
Mixing Hgt(ft-agl/msl)4820 4690
Transport Wnd (mph) E 14 NE 10
Vent Rate (kt-ft) 57840 42210
Dispersion 5 5
DSI 5 4 5
RH Recovery Excellent
Remarks...None.
$$
PRZ019-010845-
Eastern Interior-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 50 60
Temp (24h trend) 86 (+3) 68 (-3) 85
RH % (24h trend) 63 (-4) 98 (+3) 64
Wind 20ft/early(mph) E 16 E 12 NE 11
Wind 20ft/late(mph) E 16 E 12 NE 11
Mixing Hgt(ft-agl/msl)5340 5360
Transport Wnd (mph) E 18 NE 12
Vent Rate (kt-ft) 85440 53600
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ022-010845-
Luquillo Mountain Range-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 60 60
Temp (24h trend) 81 (+3) 66 (-3) 81
RH % (24h trend) 68 (-6) 99 (+1) 69
Wind 20ft/early(mph) E 13 E 9 NE 8
Wind 20ft/late(mph) E 13 E 9 NE 8
Mixing Hgt(ft-agl/msl)4600 4220
Transport Wnd (mph) E 21 NE 12
Vent Rate (kt-ft) 82800 42200
Dispersion 5 5
DSI 6 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ023-010845-
Central Mountain Range-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 10 50
Temp (24h trend) 81 (+1) 65 (-3) 83
RH % (24h trend) 65 (-4) 98 (+6) 63
Wind 20ft/early(mph) E 13 E 13 NE 14
Wind 20ft/late(mph) E 13 E 13 NE 14
Mixing Hgt(ft-agl/msl)6460 5480
Transport Wnd (mph) E 15 NE 13
Vent Rate (kt-ft) 83980 60280
Dispersion 5 5
DSI 5 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ024-010845-
Cayey Mountain Range-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 30 50
Temp (24h trend) 80 (+1) 67 (-2) 81
RH % (24h trend) 68 (-4) 98 (0) 66
Wind 20ft/early(mph) E 13 NE 10 NE 10
Wind 20ft/late(mph) E 13 NE 10 NE 10
Mixing Hgt(ft-agl/msl)4820 5090
Transport Wnd (mph) E 21 NE 13
Vent Rate (kt-ft) 86760 55990
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ025-010845-
Vieques-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 40 50 50
Temp (24h trend) 88 (+2) 73 (-1) 85
RH % (24h trend) 57 (-6) 93 (+1) 62
Wind 20ft/early(mph) E 17 G21 NE 16 G20 NE 12
Wind 20ft/late(mph) E 17 G21 NE 16 G20 NE 12
Mixing Hgt(ft-agl/msl)4140 3660
Transport Wnd (mph) E 21 NE 15
Vent Rate (kt-ft) 74520 47580
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ026-010845-
Culebra-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 40 60 50
Temp (24h trend) 88 (+1) 74 (-2) 86
RH % (24h trend) 58 (-5) 91 (0) 60
Wind 20ft/early(mph) E 17 G22 E 16 G20 NE 12
Wind 20ft/late(mph) E 17 G22 E 16 G20 NE 12
Mixing Hgt(ft-agl/msl)4200 3890
Transport Wnd (mph) E 24 NE 15
Vent Rate (kt-ft) 88200 50570
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ027-010845-
Southwest Coastal Plains and Mona Island-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 40 10 70
Temp (24h trend) 89 (+1) 69 (-4) 89
RH % (24h trend) 49 (-6) 95 (+10) 49
Wind 20ft/early(mph) E 19 G24 NE 16 SE 17 G19
Wind 20ft/late(mph) E 19 G24 NE 16 SE 17 G19
Mixing Hgt(ft-agl/msl)5680 5310
Transport Wnd (mph) E 15 NE 7
Vent Rate (kt-ft) 73840 31860
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
VIZ001-010845-
Saint Thomas and Saint John-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Tstms Showers
Chance Precip (%) 40 60 40
Temp (24h trend) 85 (0) 72 (-4) 84
RH % (24h trend) 64 (-2) 95 (+5) 64
Wind 20ft/early(mph) E 17 G22 E 17 G21 NE 12
Wind 20ft/late(mph) E 17 G22 E 17 G21 NE 12
Mixing Hgt(ft-agl/msl)4270 3730
Transport Wnd (mph) E 24 E 17
Vent Rate (kt-ft) 89670 55950
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
VIZ002-010845-
St Croix-
433 AM AST Sun Nov 30 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 40 40 50
Temp (24h trend) 87 (+1) 73 (-3) 86
RH % (24h trend) 62 (-3) 92 (+4) 63
Wind 20ft/early(mph) E 18 G22 NE 16 G18 NE 11
Wind 20ft/late(mph) E 18 G22 NE 16 G18 NE 11
Mixing Hgt(ft-agl/msl)4550 4430
Transport Wnd (mph) E 23 NE 14
Vent Rate (kt-ft) 91000 53160
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
$$