Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
202 FOMY50 PGUM 010550 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 345 PM CHST MON DEC 1 2025 GUZ001-011800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 345 PM CHST MON DEC 1 2025 DATE MON 12/01/25 TUE 12/02/25 WED 12/03/25 THU 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 86 79 87 79 TEMP 86 84 82 80 79 79 83 86 85 84 82 80 79 79 84 87 86 85 82 80 79 DEWPT 78 78 79 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 77 82 91 94 97 97 85 77 80 82 88 94 97 97 82 75 77 80 88 94 97 WIND DIR SE SE SE E E E SE E E E E E E E E E E E E E E WIND SPD 12 10 9 11 11 11 16 16 14 11 10 10 9 10 14 14 14 11 10 10 8 CLOUDS OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 50 50 20 20 20 QPF 12HR 0.63 0.14 0.02 0.12 0.12 RAIN SHWRS C C C C C S S S S S S S S S S S S S S S S TSTMS S HEAT INDEX 98 95 92 88 84 93 97 96 94 91 87 85 94 99 98 95 92 88 MAX HEAT 98 97 91 93 97 96 90 94 99 97 90 HIGH SURF Y Y Y Y Y Y Y Y Y DATE 12/04/25 FRI 12/05/25 SAT 12/06/25 SUN 12/07/25 MON 12/08/25 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 85 79 87 79 88 77 88 78 89 TEMP 83 85 82 79 83 86 83 80 84 87 82 77 83 87 82 78 84 88 DEWPT 78 78 78 78 78 77 77 77 77 77 77 77 76 76 77 77 76 76 PWIND DIR E E SE E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC POP 12HR 20 40 40 30 20 20 20 20 20 RAIN SHWRS S S C C C C C S S S S S S S S S S S TSTMS S S S S S $$ MPZ001-011800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 345 PM CHST MON DEC 1 2025 DATE MON 12/01/25 TUE 12/02/25 WED 12/03/25 THU CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 79 85 79 85 79 TEMP 85 84 82 80 79 79 82 85 84 83 82 80 79 79 83 85 85 83 82 80 79 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 77 77 77 77 77 78 78 78 77 RH 80 82 88 94 97 97 88 80 82 85 88 94 94 94 82 77 77 85 88 94 94 WIND DIR E SE E E E E E E E E E E E E E E E E E E E WIND SPD 17 16 16 17 13 17 18 18 17 16 14 16 13 17 18 18 17 16 16 14 12 CLOUDS B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 50 30 5 5 5 QPF 12HR 0.19 0.02 0.01 0.01 0.01 RAIN SHWRS C C C C C S S S S S S S S S S S S S S S S TSTMS S HEAT INDEX 97 95 91 88 84 91 96 95 93 90 86 84 92 96 95 93 90 87 MAX HEAT 98 97 90 91 96 95 89 92 96 95 89 HIGH SURF Y Y Y Y Y Y Y Y Y DATE 12/04/25 FRI 12/05/25 SAT 12/06/25 SUN 12/07/25 MON 12/08/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 85 79 85 79 87 77 87 78 87 TEMP 82 84 82 79 83 85 82 80 84 86 82 78 83 86 82 78 83 86 DEWPT 78 78 78 78 78 77 77 77 77 77 77 77 77 77 77 77 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC B1 B1 B1 B1 B1 B1 SC SC SC SC B1 SC SC SC SC SC SC POP 12HR 20 30 30 30 20 20 20 20 20 RAIN SHWRS S S C C C C C S S S S S S S S S S S $$ MPZ002-011800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 345 PM CHST MON DEC 1 2025 DATE MON 12/01/25 TUE 12/02/25 WED 12/03/25 THU 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 88 77 TEMP 87 85 82 79 78 78 83 87 86 84 82 79 78 78 83 88 87 85 82 79 78 DEWPT 78 78 78 78 78 77 78 78 78 78 78 78 77 77 77 77 77 77 77 78 77 RH 75 80 88 97100 97 85 75 77 82 88 97 97 97 82 70 72 77 85 97 97 WIND DIR E SE E E E E E E E E E SE E E E SE SE SE E SE SE WIND SPD 16 17 18 17 14 18 18 17 17 14 14 14 12 16 17 17 16 14 14 14 11 CLOUDS B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 50 20 5 5 5 QPF 12HR 0.28 0.05 0.01 0.01 0.01 RAIN SHWRS C C C S S S S S S S S S S S S S S S S S S TSTMS S HEAT INDEX 100 96 91 84 92 99 98 95 90 84 93 99 98 95 90 84 MAX HEAT 101 99 89 92 99 97 88 93 99 98 89 HIGH SURF Y Y Y Y Y Y Y Y Y DATE 12/04/25 FRI 12/05/25 SAT 12/06/25 SUN 12/07/25 MON 12/08/25 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 79 87 79 89 76 89 76 89 TEMP 82 85 82 79 84 86 83 80 85 88 82 77 84 88 82 77 84 88 DEWPT 77 77 78 77 77 77 77 77 77 77 77 77 76 76 77 76 76 76 PWIND DIR SE E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 40 40 20 20 20 20 20 20 RAIN SHWRS S S C C C S S S S S S S S S S S S S $$ MPZ003-011800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 345 PM CHST MON DEC 1 2025 DATE MON 12/01/25 TUE 12/02/25 WED 12/03/25 THU CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 87 77 88 77 TEMP 87 85 82 79 78 78 83 87 86 84 82 79 78 78 83 88 87 85 82 79 78 DEWPT 78 78 78 78 78 77 78 78 78 78 78 77 77 77 77 77 77 77 77 78 77 RH 75 80 88 97100 97 85 75 77 82 88 94 97 97 82 70 72 77 85 97 97 WIND DIR E E E E E E E SE E E E E E E E SE SE E SE SE SE WIND SPD 14 18 17 16 14 17 18 16 14 14 13 13 12 16 17 17 16 14 13 13 11 CLOUDS B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 20 10 10 5 QPF 12HR 0.27 0.05 0.02 0.01 0.01 RAIN SHWRS C C C S S S S S S S S S S S S S S S S S S TSTMS S HEAT INDEX 100 96 91 84 92 99 98 95 90 93 99 98 95 90 84 MAX HEAT 101 99 89 92 99 97 88 93 99 98 89 HIGH SURF Y Y Y Y Y Y Y Y Y DATE 12/04/25 FRI 12/05/25 SAT 12/06/25 SUN 12/07/25 MON 12/08/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 79 87 79 89 76 89 76 89 TEMP 82 85 82 79 84 86 83 80 85 88 82 77 84 88 82 77 84 88 DEWPT 77 77 78 77 77 77 77 77 77 77 77 77 76 77 77 76 77 76 PWIND DIR SE E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC POP 12HR 5 40 40 20 20 20 20 20 20 RAIN SHWRS S S C C C S S S S S S S S S S S S S $$