Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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776 FOMY50 PGUM 030510 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 301 PM CHST WED DEC 3 2025 GUZ001-031800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 301 PM CHST WED DEC 3 2025 DATE WED 12/03/25 THU 12/04/25 FRI 12/05/25 SAT 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 87 79 85 79 TEMP 86 85 82 80 79 79 84 87 86 85 83 81 79 80 83 85 85 84 82 81 80 DEWPT 74 75 76 76 77 77 77 77 77 78 78 78 78 78 78 78 77 78 78 78 77 RH 68 72 82 88 94 94 80 72 75 80 85 91 97 94 85 80 77 82 88 91 91 WIND DIR E E E E E E E E E E E E E E E E E E E SE SE WIND SPD 16 16 14 11 10 11 13 14 13 11 10 11 10 9 11 12 11 11 8 6 5 CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 20 20 40 40 30 QPF 12HR 0.04 0.11 0.35 0.26 0.10 RAIN SHWRS S S S S S S S S S C C C C C C C C S S S S TSTMS S S S S S S S S HEAT INDEX 94 93 90 87 84 93 98 98 96 92 89 85 85 92 96 95 94 91 88 85 MAX HEAT 95 94 89 93 98 97 91 92 96 95 90 HIGH SURF Y Y Y Y DATE 12/06/25 SUN 12/07/25 MON 12/08/25 TUE 12/09/25 WED 12/10/25 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 78 89 78 89 78 89 TEMP 84 87 82 77 83 87 82 78 84 88 83 78 84 88 83 78 84 88 DEWPT 77 76 77 77 77 77 77 76 76 76 76 77 76 76 76 76 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN GN LT GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 10 10 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ001-031800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 301 PM CHST WED DEC 3 2025 DATE WED 12/03/25 THU 12/04/25 FRI 12/05/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 79 85 79 85 79 TEMP 85 83 82 80 79 79 83 85 85 84 82 80 79 80 83 85 84 83 82 81 80 DEWPT 74 75 75 75 76 76 77 77 77 77 78 78 77 77 78 78 78 78 78 77 77 RH 70 77 79 85 91 91 82 77 77 80 88 94 94 91 85 80 82 85 88 88 91 WIND DIR SE E SE SE E SE E E E E E E E E E E E SE SE E E WIND SPD 17 17 14 12 10 13 14 12 13 12 12 11 10 11 14 13 12 12 9 6 5 CLOUDS SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 20 10 20 20 20 QPF 12HR 0.01 0.02 0.09 0.07 0.08 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 92 91 88 85 84 91 95 95 93 90 88 84 85 92 96 95 93 90 88 85 MAX HEAT 93 92 87 91 95 95 90 92 96 95 89 HIGH SURF Y Y Y Y DATE 12/06/25 SUN 12/07/25 MON 12/08/25 TUE 12/09/25 WED 12/10/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 77 87 78 87 78 87 78 87 TEMP 84 86 82 78 83 86 82 78 83 86 82 78 84 87 82 78 84 87 DEWPT 77 77 77 77 77 77 77 76 76 76 76 76 76 76 76 75 75 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN LT LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 10 10 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ002-031800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 301 PM CHST WED DEC 3 2025 DATE WED 12/03/25 THU 12/04/25 FRI 12/05/25 SAT 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 79 86 79 TEMP 87 85 82 79 78 78 83 88 87 85 83 81 80 80 83 86 85 84 82 81 80 DEWPT 75 74 74 75 75 75 76 76 76 77 77 77 77 77 77 77 77 77 77 77 77 RH 68 70 77 88 91 91 80 68 70 77 82 88 91 91 82 75 77 80 85 88 91 WIND DIR SE SE E SE E E SE SE E E E E E E E E SE E E E E WIND SPD 16 16 14 11 10 12 13 9 10 12 10 10 10 11 13 13 10 11 8 6 5 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 5 20 20 20 QPF 12HR 0.01 0 0.02 0.02 0.14 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 96 93 88 83 91 98 98 96 92 88 84 85 92 96 96 94 91 88 85 MAX HEAT 96 95 87 91 98 97 90 92 96 95 90 HIGH SURF Y Y Y Y DATE 12/06/25 SUN 12/07/25 MON 12/08/25 TUE 12/09/25 WED 12/10/25 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 89 76 89 76 89 76 89 76 89 TEMP 85 88 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 77 76 77 77 77 77 77 76 76 76 76 75 75 75 76 75 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN GN LT LT LT AVG CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 10 10 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ003-031800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 301 PM CHST WED DEC 3 2025 DATE WED 12/03/25 THU 12/04/25 FRI 12/05/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 88 79 86 79 TEMP 87 85 82 79 78 78 83 88 87 85 83 81 80 80 83 86 85 84 82 81 80 DEWPT 74 74 74 75 75 75 76 76 76 77 77 77 77 77 77 77 77 77 77 77 77 RH 65 70 77 88 91 91 80 68 70 77 82 88 91 91 82 75 77 80 85 88 91 WIND DIR E SE SE SE SE SE SE SE E E E E E E E E SE E E SE E WIND SPD 16 16 14 12 10 12 13 9 10 12 10 9 9 11 12 13 10 11 8 6 6 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 5 20 20 20 QPF 12HR 0.01 0 0.02 0.03 0.16 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 96 93 88 83 91 98 98 96 92 88 84 85 92 96 96 94 91 88 85 MAX HEAT 96 95 86 91 98 97 90 92 96 95 90 HIGH SURF Y Y Y Y DATE 12/06/25 SUN 12/07/25 MON 12/08/25 TUE 12/09/25 WED 12/10/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 89 76 89 76 89 76 89 76 89 TEMP 85 88 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 77 77 77 77 77 77 77 76 76 76 76 75 75 75 76 75 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN LT LT LT LT AVG CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 10 10 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$