Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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045 FOMY50 PGUM 221730 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 327 AM CHST FRI MAY 23 2025 GUZ001-230600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 327 AM CHST FRI MAY 23 2025 DATE FRI 05/23/25 SAT 05/24/25 SUN 05/25/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 78 88 78 88 TEMP 77 77 83 88 87 85 83 80 78 79 84 88 87 85 82 80 78 79 84 88 87 DEWPT 75 74 74 74 74 74 75 75 75 73 73 73 73 73 73 74 74 74 74 75 75 RH 94 90 74 63 65 70 77 85 91 82 70 61 63 67 74 82 88 85 72 66 68 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 4 5 8 9 9 9 8 5 5 8 10 9 8 6 6 5 4 6 10 10 9 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 10 10 20 QPF 12HR 0.03 0.01 0.02 0.03 0.05 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 90 96 96 93 90 85 89 95 95 92 88 84 91 97 96 MAX HEAT 90 96 95 88 89 95 94 87 91 97 DATE MON 05/26/25 TUE 05/27/25 WED 05/28/25 THU 05/29/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 88 77 88 77 88 77 88 TEMP 83 79 84 87 82 78 83 87 82 78 83 87 82 78 83 87 DEWPT 75 75 74 74 76 75 75 74 75 74 75 75 76 75 75 75 PWIND DIR E E E E E E E E WIND CHAR LT LT LT LT LT GN GN LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 40 40 30 30 30 30 30 RAIN SHWRS S S C C C C C C C C C C C C C C $$ MPZ001-230600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 327 AM CHST FRI MAY 23 2025 DATE FRI 05/23/25 SAT 05/24/25 SUN 05/25/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 86 79 87 77 87 TEMP 78 79 83 86 86 84 82 81 79 80 84 87 86 84 82 79 78 78 83 87 87 DEWPT 74 74 74 74 74 74 74 75 75 72 73 73 73 73 73 74 74 74 74 74 74 RH 88 85 74 68 68 72 77 82 88 77 70 63 65 70 74 85 88 88 74 65 65 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 3 5 8 8 8 8 6 4 4 6 9 9 8 6 6 4 4 6 10 11 10 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 10 10 10 20 QPF 12HR 0.02 0 0.02 0.01 0.06 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 89 94 94 92 89 86 83 89 94 93 91 87 83 90 96 95 MAX HEAT 89 94 93 88 89 94 93 86 90 96 DATE MON 05/26/25 TUE 05/27/25 WED 05/28/25 THU 05/29/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 87 78 87 78 87 78 87 TEMP 82 79 83 86 82 79 83 86 82 79 83 86 82 79 83 86 DEWPT 75 74 74 73 75 75 74 73 74 74 74 74 75 74 75 74 PWIND DIR E E E E E E E E WIND CHAR LT LT LT LT LT GN GN LT AVG CLOUDS SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 30 30 30 30 30 30 30 RAIN SHWRS S S C C C C C C C C C C C C C C $$ MPZ002-230600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 327 AM CHST FRI MAY 23 2025 DATE FRI 05/23/25 SAT 05/24/25 SUN 05/25/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 79 88 76 88 TEMP 77 77 83 88 87 85 83 81 80 80 84 88 87 85 82 78 77 77 83 88 87 DEWPT 74 74 74 74 74 75 75 75 75 73 73 74 74 75 74 74 74 75 75 75 75 RH 90 90 74 63 65 72 77 82 85 79 70 63 65 72 77 88 90 94 77 66 68 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 3 4 6 6 6 6 5 3 3 5 8 8 8 6 6 5 5 8 10 13 11 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 20 20 20 QPF 12HR 0 0 0.01 0.02 0.05 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 89 96 96 94 90 87 84 89 96 96 92 87 91 97 96 MAX HEAT 89 96 95 89 89 96 95 85 91 97 DATE MON 05/26/25 TUE 05/27/25 WED 05/28/25 THU 05/29/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 87 77 88 77 88 77 88 TEMP 82 77 83 86 82 78 83 87 82 78 83 87 82 78 83 87 DEWPT 76 75 73 73 74 75 74 73 74 75 75 74 75 74 75 75 PWIND DIR E E E E E E E E WIND CHAR LT LT LT LT LT GN GN GN AVG CLOUDS SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 30 30 30 30 30 30 30 RAIN SHWRS S S C C C C C C C C C C C C C C $$ MPZ003-230600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 327 AM CHST FRI MAY 23 2025 DATE FRI 05/23/25 SAT 05/24/25 SUN 05/25/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 79 88 76 88 TEMP 77 77 83 88 87 85 83 81 79 80 84 88 87 85 82 78 77 77 83 88 87 DEWPT 74 74 74 74 74 75 75 75 75 73 73 74 74 75 75 74 74 75 75 75 75 RH 90 90 74 63 65 72 77 82 88 79 70 63 65 72 79 88 90 94 77 66 68 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 3 4 5 6 6 6 5 3 3 5 8 8 8 6 6 5 5 8 11 13 12 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 20 20 20 QPF 12HR 0.03 0.01 0.02 0.02 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 90 96 96 93 90 86 83 89 96 96 92 87 91 97 96 MAX HEAT 90 96 95 88 89 96 95 85 91 97 DATE MON 05/26/25 TUE 05/27/25 WED 05/28/25 THU 05/29/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 87 77 88 77 88 77 88 TEMP 82 77 83 86 82 77 83 87 82 77 83 87 82 77 83 87 DEWPT 76 75 74 73 74 75 74 73 74 75 75 74 75 74 75 75 PWIND DIR E E E E E E E E WIND CHAR LT LT LT LT LT GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 30 30 30 30 30 30 30 RAIN SHWRS S S C C C C C C C C C C C C C C $$