Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
Versions:
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358 FOMY50 PGUM 260540 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 333 PM CHST WED NOV 26 2025 GUZ001-261800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 333 PM CHST WED NOV 26 2025 DATE WED 11/26/25 THU 11/27/25 FRI 11/28/25 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 76 88 79 TEMP 87 85 82 79 78 78 84 88 87 85 82 79 77 78 83 88 87 85 83 81 79 DEWPT 78 79 79 79 79 79 79 79 79 79 79 78 78 78 78 78 78 78 79 79 79 RH 75 82 91100103103 85 75 77 82 91 97103100 85 72 75 80 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 12 12 11 9 9 10 13 13 14 13 12 10 9 10 12 11 10 11 10 6 6 CLOUDS B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 30 30 20 20 20 QPF 12HR 0.25 0.17 0.13 0.14 0.05 RAIN SHWRS C C C C C S S S S S S S S S S S S S S S S HEAT INDEX 101 97 92 85 95102101 97 91 93101100 98 94 89 84 MAX HEAT 101 100 90 95 102 100 89 93 101 99 92 DATE 11/29/25 SUN 11/30/25 MON 12/01/25 TUE 12/02/25 WED 12/03/25 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 86 79 86 79 86 79 87 TEMP 84 87 83 80 83 85 82 79 83 86 82 79 83 85 82 79 84 86 DEWPT 79 79 79 79 78 78 79 78 78 78 79 78 78 78 78 78 78 78 PWIND DIR NE NE E SE SE SE SE SE E WIND CHAR GN GN LT GN GN GN GN LT LT AVG CLOUDS SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 40 40 40 40 30 30 30 20 RAIN SHWRS S S C C C C C C C C C C C C C S S S TSTMS S S S S S S S S S S S S S $$ MPZ001-261800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 333 PM CHST WED NOV 26 2025 DATE WED 11/26/25 THU 11/27/25 FRI 11/28/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 87 78 87 79 TEMP 87 85 82 79 78 78 83 87 86 84 82 80 78 79 83 87 87 85 83 81 79 DEWPT 79 79 79 79 79 79 79 79 79 79 78 78 78 78 78 78 78 78 79 79 79 RH 77 82 91100103103 88 77 80 85 88 94100 97 85 75 75 80 88 94100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 14 14 13 11 11 12 14 14 16 17 14 12 10 11 13 10 12 13 11 8 9 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 30 20 20 20 QPF 12HR 0.23 0.19 0.05 0.08 0.03 RAIN SHWRS C C C C C S S S S S S S S S S S S S S S S HEAT INDEX 100 97 92 85 94100 99 96 91 85 94100 99 97 93 90 85 MAX HEAT 101 99 90 94 100 99 90 94 100 99 92 DATE 11/29/25 SUN 11/30/25 MON 12/01/25 TUE 12/02/25 WED 12/03/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 79 86 79 86 79 85 79 85 TEMP 83 85 82 79 83 85 82 79 83 85 82 79 82 84 81 79 83 85 DEWPT 79 79 79 79 79 79 79 78 78 78 78 78 78 78 78 78 78 77 PWIND DIR E E E SE SE SE SE SE SE WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 40 40 40 40 30 30 20 20 RAIN SHWRS S S C C C C C C C C C C C S S S S S TSTMS S S S S S S S S S S S $$ MPZ002-261800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 333 PM CHST WED NOV 26 2025 DATE WED 11/26/25 THU 11/27/25 FRI 11/28/25 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 76 88 76 88 77 TEMP 87 85 82 79 77 77 83 88 87 85 82 78 77 77 83 88 87 85 82 79 77 DEWPT 78 79 79 79 79 79 79 78 78 78 78 78 77 77 77 77 78 78 79 79 79 RH 75 82 91100107107 88 72 75 80 88100100100 82 70 75 80 91100107 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 14 14 12 11 10 12 14 14 16 16 13 12 10 10 14 14 13 13 11 8 9 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 20 20 20 20 QPF 12HR 0.17 0.16 0.09 0.04 0.03 RAIN SHWRS C S S S S S S S S S S S S S S S S S S S S HEAT INDEX 101 97 91 94102100 96 90 92100100 96 91 MAX HEAT 101 100 89 94 102 99 88 92 100 99 89 DATE 11/29/25 SUN 11/30/25 MON 12/01/25 TUE 12/02/25 WED 12/03/25 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 77 88 77 87 77 88 TEMP 83 87 83 80 84 87 82 78 84 87 82 78 83 86 82 78 83 87 DEWPT 79 79 79 79 79 79 79 78 78 78 78 78 77 77 78 78 77 77 PWIND DIR E E E SE SE SE SE SE SE WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 40 50 50 50 40 30 30 30 RAIN SHWRS S S C C C C C C C C C C C S C C C C TSTMS S S S S S S S S S S S $$ MPZ003-261800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 333 PM CHST WED NOV 26 2025 DATE WED 11/26/25 THU 11/27/25 FRI 11/28/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 88 76 88 76 TEMP 87 85 82 79 77 77 83 88 87 85 82 78 77 77 83 88 87 85 82 79 77 DEWPT 79 79 79 79 79 79 79 79 78 78 78 78 77 77 77 77 78 78 79 79 79 RH 77 82 91100107107 88 75 75 80 88100100100 82 70 75 80 91100107 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 14 14 12 11 10 12 14 14 16 16 13 12 11 10 16 14 13 13 11 9 9 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 20 20 20 20 QPF 12HR 0.17 0.16 0.09 0.04 0.04 RAIN SHWRS C S S S S S S S S S S S S S S S S S S S S HEAT INDEX 101 97 91 94102101 96 90 92100100 96 91 MAX HEAT 102 100 89 94 102 100 88 92 100 99 89 DATE 11/29/25 SUN 11/30/25 MON 12/01/25 TUE 12/02/25 WED 12/03/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 79 88 77 88 77 87 77 88 TEMP 83 87 83 79 84 87 82 78 84 87 82 78 83 86 82 78 83 87 DEWPT 79 79 79 79 79 79 79 78 78 78 78 78 77 77 78 77 77 77 PWIND DIR E E E SE SE SE SE SE SE WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 40 50 50 40 40 30 30 30 RAIN SHWRS S S C C C C C C C C C C C S C C C C TSTMS S S S S S S S S S S S $$