Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
839 FOMY50 PGUM 250510 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 301 PM CHST TUE NOV 25 2025 GUZ001-251800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 301 PM CHST TUE NOV 25 2025 DATE TUE 11/25/25 WED 11/26/25 THU 11/27/25 FRI 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 77 88 77 88 76 TEMP 87 85 82 79 78 78 84 88 87 85 82 79 78 78 84 88 87 85 82 79 77 DEWPT 77 77 78 78 78 78 78 78 78 79 79 79 79 79 79 79 79 79 79 78 78 RH 72 77 88 97100100 82 72 75 82 91100103103 85 75 77 82 91 97103 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 11 12 12 10 10 11 14 13 12 11 10 9 9 11 14 14 14 13 12 10 9 CLOUDS SC SC SC SC SC B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 30 40 40 30 QPF 12HR 0.06 0.38 0.37 0.23 0.08 RAIN SHWRS S S S S S C C C C C C C C C C C C C C C C HEAT INDEX 98 95 91 84 94102101 97 92 85 95102101 97 91 MAX HEAT 99 97 89 94 102 100 90 95 102 100 89 DATE 11/28/25 SAT 11/29/25 SUN 11/30/25 MON 12/01/25 TUE 12/02/25 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 79 88 79 86 79 86 79 86 TEMP 83 87 83 79 84 87 83 80 83 85 82 79 83 86 82 79 83 85 DEWPT 78 78 79 79 79 79 79 79 79 78 78 78 77 77 77 76 76 76 PWIND DIR E E E E E E SE SE SE WIND CHAR GN GN GN GN GN LT GN GN GN AVG CLOUDS B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 20 30 30 40 40 40 20 RAIN SHWRS C S S S S S C C C C C C C C C S S S TSTMS S S S S S S S S S S S $$ MPZ001-251800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 301 PM CHST TUE NOV 25 2025 DATE TUE 11/25/25 WED 11/26/25 THU 11/27/25 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 87 77 87 78 TEMP 87 85 82 79 78 78 83 87 87 85 82 79 78 78 83 87 86 84 82 80 78 DEWPT 77 77 78 78 78 78 79 79 79 79 79 79 79 79 79 79 79 79 78 78 78 RH 72 77 88 97100100 88 77 77 82 91100103103 88 77 80 85 88 94100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 13 14 14 12 11 13 17 16 14 14 13 12 11 13 17 16 16 17 14 12 11 CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 30 40 40 30 QPF 12HR 0.04 0.27 0.30 0.18 0.08 RAIN SHWRS S S S S S C C C C C C C C C C C C S S S S HEAT INDEX 97 95 91 85 94101100 97 92 85 94100 99 96 91 85 MAX HEAT 98 97 89 94 101 99 91 94 100 99 90 DATE 11/28/25 SAT 11/29/25 SUN 11/30/25 MON 12/01/25 TUE 12/02/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 79 86 79 86 79 86 79 85 TEMP 83 87 83 79 83 85 82 79 83 85 82 79 83 85 82 79 82 84 DEWPT 78 78 79 79 79 79 79 79 79 79 78 78 78 78 77 77 76 76 PWIND DIR E E E E E E SE SE SE WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 30 40 40 30 30 20 RAIN SHWRS S S S S S S C C C C C C C C C S S S TSTMS S S S S S S S S S $$ MPZ002-251800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 301 PM CHST TUE NOV 25 2025 DATE TUE 11/25/25 WED 11/26/25 THU 11/27/25 FRI 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 76 88 76 88 76 TEMP 87 85 82 79 77 77 83 88 87 85 82 79 77 77 83 88 87 85 82 78 77 DEWPT 76 77 78 78 78 78 78 78 78 79 79 79 79 79 79 78 78 78 78 78 77 RH 70 77 88 97103103 85 72 75 82 91100107107 88 72 75 80 88100100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 13 14 13 12 11 13 17 17 14 14 13 12 11 12 16 16 16 16 14 11 11 CLOUDS B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 20 30 30 30 30 QPF 12HR 0.08 0.18 0.25 0.14 0.04 RAIN SHWRS S S S S S C C C C C C C C C C C C S S S S HEAT INDEX 98 95 90 94102101 97 91 94102100 96 90 MAX HEAT 98 97 88 94 102 100 89 94 102 99 88 DATE 11/28/25 SAT 11/29/25 SUN 11/30/25 MON 12/01/25 TUE 12/02/25 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 77 88 79 88 77 88 77 87 TEMP 83 87 82 77 83 87 83 80 84 87 82 78 84 87 82 78 83 86 DEWPT 77 78 79 79 79 79 79 79 78 78 78 77 77 77 76 76 76 76 PWIND DIR E E E E E E SE SE SE 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 SC SC POP 12HR 20 10 30 30 40 40 30 30 20 RAIN SHWRS S S S S C C C C C C C C C C C S S S TSTMS S S S S S S S S S $$ MPZ003-251800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 301 PM CHST TUE NOV 25 2025 DATE TUE 11/25/25 WED 11/26/25 THU 11/27/25 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 88 76 88 76 TEMP 87 85 82 79 77 77 83 88 87 85 82 79 77 77 83 88 87 85 82 78 77 DEWPT 76 77 78 78 78 78 79 79 79 79 79 79 79 79 79 79 78 78 78 78 77 RH 70 77 88 97103103 88 75 77 82 91100107107 88 75 75 80 88100100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 13 14 13 12 11 13 17 17 14 14 13 12 11 12 16 16 16 16 14 11 11 CLOUDS B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 20 30 30 30 30 QPF 12HR 0.08 0.17 0.24 0.14 0.04 RAIN SHWRS S S S S S C C C C C C C C C C C C S S S S HEAT INDEX 98 95 90 94102101 97 91 94102101 96 90 MAX HEAT 99 97 88 94 102 100 89 94 102 100 88 DATE 11/28/25 SAT 11/29/25 SUN 11/30/25 MON 12/01/25 TUE 12/02/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 76 88 79 88 77 88 77 87 TEMP 83 87 82 77 83 87 83 79 84 87 82 78 84 87 82 78 83 86 DEWPT 77 78 79 79 79 79 79 79 79 78 78 78 77 77 77 76 76 76 PWIND DIR E E E E E E SE SE SE WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 SC SC POP 12HR 10 10 20 40 40 40 30 30 20 RAIN SHWRS S S S S S S C C C C C C C C C S S S TSTMS S S S S S S S $$