Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
359 FOMY50 PGUM 070450 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 249 PM CHST FRI NOV 7 2025 GUZ001-071800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 249 PM CHST FRI NOV 7 2025 DATE FRI 11/07/25 SAT 11/08/25 SUN 11/09/25 MON CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 78 88 78 88 78 TEMP 86 85 82 80 78 79 84 88 87 85 82 80 78 79 84 87 87 85 82 80 78 DEWPT 79 79 79 79 78 79 79 79 79 79 80 80 78 79 79 78 78 78 79 79 78 RH 80 82 91 97100100 85 75 77 82 94100100100 85 75 75 80 91 97100 WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E E WIND SPD 17 14 13 12 11 11 14 13 10 8 6 6 5 6 9 8 6 6 5 5 4 CLOUDS OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 70 50 40 30 20 QPF 12HR 0.04 0 0.25 0.11 0.09 RAIN SHWRS L C C C C C C C C C C C C S S S S S S S S TSTMS S S S S S S S S S S S S S S S S S HEAT INDEX 100 97 93 86 95102101 98 93 86 94101100 97 92 85 MAX HEAT 101 100 91 95 102 100 91 94 101 99 91 HIGH SURF Y Y Y Y Y Y Y Y Y DATE 11/10/25 TUE 11/11/25 WED 11/12/25 THU 11/13/25 FRI 11/14/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 78 88 78 88 78 88 78 88 TEMP 84 87 83 79 84 87 82 78 84 87 83 79 84 87 82 78 84 87 DEWPT 78 78 78 78 77 77 77 77 77 77 78 78 77 77 78 78 77 77 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 30 30 30 30 30 30 30 RAIN SHWRS S S S S C C C C C C C C C C C C C C TSTMS S S S S S $$ MPZ001-071800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 249 PM CHST FRI NOV 7 2025 DATE FRI 11/07/25 SAT 11/08/25 SUN 11/09/25 MON CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 75 86 75 86 75 TEMP 85 83 80 77 75 76 82 86 85 83 80 77 75 76 81 86 85 83 80 77 75 DEWPT 79 79 79 77 75 76 79 79 79 79 79 77 75 76 79 78 78 79 79 77 75 RH 82 88 97100100100 91 80 82 88 97100100100 94 77 80 88 97100100 WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E WIND SPD 18 17 16 13 13 13 16 13 11 9 8 8 6 8 11 10 9 8 6 6 5 CLOUDS OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 70 50 40 30 20 QPF 12HR 0.41 0.08 0.23 0.13 0.06 RAIN SHWRS L C C C C C C C C C C C C S S S S S S S S TSTMS S S S S S S S S S S S S S HEAT INDEX 99 94 87 91 99 98 94 86 91 98 97 93 86 MAX HEAT 100 98 91 99 97 91 98 96 HIGH SURF Y Y Y Y Y Y Y Y Y DATE 11/10/25 TUE 11/11/25 WED 11/12/25 THU 11/13/25 FRI 11/14/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 75 86 75 86 75 86 76 86 TEMP 81 85 80 76 82 85 80 76 82 85 80 76 82 85 80 76 82 85 DEWPT 78 78 78 76 77 77 77 76 77 77 77 76 77 77 78 76 77 77 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 30 30 30 30 30 30 30 RAIN SHWRS S S S S C C C C C C C C C C C C C C TSTMS S S S S S $$ MPZ002-071800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 249 PM CHST FRI NOV 7 2025 DATE FRI 11/07/25 SAT 11/08/25 SUN 11/09/25 MON CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 80 87 79 87 80 TEMP 87 86 84 82 80 81 84 87 86 85 83 81 79 80 84 87 86 85 83 81 80 DEWPT 79 79 79 79 79 79 79 79 79 79 79 79 79 79 78 78 78 78 79 79 78 RH 77 80 85 91 97 94 85 77 80 82 88 94100 97 82 75 77 80 88 94 94 WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E WIND SPD 17 17 16 13 13 13 13 13 11 10 9 8 6 8 11 10 10 9 6 5 4 CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 60 50 40 30 20 QPF 12HR 0.08 0.52 0.44 0.13 0.07 RAIN SHWRS L C C C C C C C C C C C C S S S S S S S S TSTMS S S S S S S S S S S S S S HEAT INDEX 100 99 95 92 89 89 96100100 97 93 90 85 86 95100 99 97 94 90 88 MAX HEAT 101 100 94 96 100 99 92 95 100 98 93 HIGH SURF Y Y Y Y Y Y Y Y Y DATE 11/10/25 TUE 11/11/25 WED 11/12/25 THU 11/13/25 FRI 11/14/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 80 87 79 87 80 88 81 88 TEMP 84 87 84 81 84 86 83 79 84 86 83 81 85 87 84 81 85 87 DEWPT 78 77 78 77 76 77 77 77 76 77 77 77 77 77 77 77 77 77 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 30 30 30 30 30 30 30 RAIN SHWRS S S S S C C C C C C C C C C C C C C TSTMS S S S $$ MPZ003-071800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 249 PM CHST FRI NOV 7 2025 DATE FRI 11/07/25 SAT 11/08/25 SUN 11/09/25 MON CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 79 88 77 88 78 TEMP 87 85 83 81 79 80 84 88 87 85 82 79 77 78 84 88 87 85 83 80 79 DEWPT 79 79 79 79 79 79 79 79 79 79 79 79 77 78 79 78 78 78 79 78 78 RH 77 82 88 94100 97 85 75 77 82 91100100100 85 72 75 80 88 94 97 WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E WIND SPD 16 16 14 13 12 11 13 14 11 10 9 8 6 8 11 10 10 9 6 5 4 CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 60 50 40 30 20 QPF 12HR 0.19 0.34 0.40 0.15 0.08 RAIN SHWRS L C C C C C C C C C C C C S S S S S S S S TSTMS S S S S S S S S S S S S S HEAT INDEX 102 98 94 89 85 96102101 97 92 84 94102101 98 93 89 MAX HEAT 103 101 92 96 102 100 90 94 102 100 92 HIGH SURF Y Y Y Y Y Y Y Y Y DATE 11/10/25 TUE 11/11/25 WED 11/12/25 THU 11/13/25 FRI 11/14/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 78 88 78 88 78 88 78 88 TEMP 84 87 83 79 84 87 83 78 84 87 83 79 84 87 83 79 84 87 DEWPT 78 77 77 77 77 77 77 77 76 77 77 77 77 77 77 77 77 77 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 30 30 30 30 30 30 30 RAIN SHWRS S S S S C C C C C C C C C C C C C C TSTMS S S S $$