9 (水)	05:50	00:04	19:36	12:45
	129cm	73cm	104cm	28cm
中潮 出 05:03 入 18:10 出 23:42 入 08:52 潮干狩り ○ 11:42～13:57

苫小牧（北海道）2053年04月9日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
4/9 00:00	72.7	↓-0.2	干潮
4/9 00:10	72.7	0
4/9 00:20	73.0	↑0.3
4/9 00:30	73.5	↑0.5
4/9 00:40	74.2	↑0.7
4/9 00:50	75.1	↑0.9
4/9 01:00	76.2	↑1.1
4/9 01:10	77.4	↑1.2
4/9 01:20	78.7	↑1.3
4/9 01:30	80.2	↑1.5
4/9 01:40	81.7	↑1.5
4/9 01:50	83.4	↑1.7
4/9 02:00	85.1	↑1.7
4/9 02:10	86.9	↑1.8
4/9 02:20	88.8	↑1.9
4/9 02:30	90.8	↑2.0
4/9 02:40	92.8	↑2.0
4/9 02:50	94.9	↑2.1
4/9 03:00	97.2	↑2.3
4/9 03:10	99.5	↑2.3
4/9 03:20	101.8	↑2.3
4/9 03:30	104.3	↑2.5
4/9 03:40	106.7	↑2.4
4/9 03:50	109.2	↑2.5
4/9 04:00	111.7	↑2.5
4/9 04:10	114.2	↑2.5
4/9 04:20	116.6	↑2.4
4/9 04:30	118.9	↑2.3
4/9 04:40	121.0	↑2.1
4/9 04:50	123.0	↑2.0
4/9 05:00	124.7	↑1.7
4/9 05:10	126.1	↑1.4
4/9 05:20	127.3	↑1.2
4/9 05:30	128.1	↑0.8
4/9 05:40	128.6	↑0.5	満潮
4/9 05:50	128.8	↑0.2	満潮
4/9 06:00	128.6	↓-0.2
4/9 06:10	128.0	↓-0.6
4/9 06:20	127.1	↓-0.9
4/9 06:30	125.9	↓-1.2
4/9 06:40	124.3	↓-1.6
4/9 06:50	122.5	↓-1.8
4/9 07:00	120.4	↓-2.1
4/9 07:10	118.2	↓-2.2
4/9 07:20	115.7	↓-2.5
4/9 07:30	113.0	↓-2.7
4/9 07:40	110.3	↓-2.7
4/9 07:50	107.4	↓-2.9
4/9 08:00	104.4	↓-3.0
4/9 08:10	101.3	↓-3.1
4/9 08:20	98.2	↓-3.1
4/9 08:30	95.0	↓-3.2
4/9 08:40	91.7	↓-3.3
4/9 08:50	88.4	↓-3.3
4/9 09:00	85.0	↓-3.4
4/9 09:10	81.6	↓-3.4
4/9 09:20	78.2	↓-3.4
4/9 09:30	74.6	↓-3.6	最大潮位差
4/9 09:40	71.1	↓-3.5
4/9 09:50	67.5	↓-3.6	最大潮位差
4/9 10:00	64.0	↓-3.5
4/9 10:10	60.4	↓-3.6	最大潮位差
4/9 10:20	56.9	↓-3.5
4/9 10:30	53.5	↓-3.4
4/9 10:40	50.1	↓-3.4
4/9 10:50	46.9	↓-3.2
4/9 11:00	43.9	↓-3.0
4/9 11:10	41.1	↓-2.8
4/9 11:20	38.5	↓-2.6
4/9 11:30	36.1	↓-2.4
4/9 11:40	34.0	↓-2.1
4/9 11:50	32.3	↓-1.7
4/9 12:00	30.8	↓-1.5
4/9 12:10	29.6	↓-1.2
4/9 12:20	28.8	↓-0.8
4/9 12:30	28.2	↓-0.6
4/9 12:40	28.0	↓-0.2	干潮
4/9 12:50	28.0	0
4/9 13:00	28.3	↑0.3
4/9 13:10	28.8	↑0.5
4/9 13:20	29.6	↑0.8
4/9 13:30	30.5	↑0.9
4/9 13:40	31.6	↑1.1
4/9 13:50	32.9	↑1.3
4/9 14:00	34.3	↑1.4
4/9 14:10	35.9	↑1.6
4/9 14:20	37.6	↑1.7
4/9 14:30	39.4	↑1.8
4/9 14:40	41.3	↑1.9
4/9 14:50	43.3	↑2.0
4/9 15:00	45.5	↑2.2
4/9 15:10	47.8	↑2.3
4/9 15:20	50.3	↑2.5
4/9 15:30	52.9	↑2.6
4/9 15:40	55.5	↑2.6
4/9 15:50	58.4	↑2.9
4/9 16:00	61.3	↑2.9
4/9 16:10	64.3	↑3.0
4/9 16:20	67.4	↑3.1
4/9 16:30	70.5	↑3.1
4/9 16:40	73.6	↑3.1
4/9 16:50	76.7	↑3.1
4/9 17:00	79.8	↑3.1
4/9 17:10	82.7	↑2.9
4/9 17:20	85.6	↑2.9
4/9 17:30	88.3	↑2.7
4/9 17:40	90.8	↑2.5
4/9 17:50	93.0	↑2.2
4/9 18:00	95.1	↑2.1
4/9 18:10	96.9	↑1.8
4/9 18:20	98.5	↑1.6
4/9 18:30	99.8	↑1.3
4/9 18:40	100.9	↑1.1
4/9 18:50	101.8	↑0.9
4/9 19:00	102.4	↑0.6
4/9 19:10	102.9	↑0.5
4/9 19:20	103.2	↑0.3
4/9 19:30	103.3	↑0.1	満潮
4/9 19:40	103.3	0
4/9 19:50	103.2	↓-0.1
4/9 20:00	103.0	↓-0.2
4/9 20:10	102.7	↓-0.3
4/9 20:20	102.4	↓-0.3
4/9 20:30	102.0	↓-0.4
4/9 20:40	101.5	↓-0.5
4/9 20:50	101.0	↓-0.5
4/9 21:00	100.4	↓-0.6
4/9 21:10	99.7	↓-0.7
4/9 21:20	99.0	↓-0.7
4/9 21:30	98.1	↓-0.9
4/9 21:40	97.2	↓-0.9
4/9 21:50	96.2	↓-1.0
4/9 22:00	95.1	↓-1.1
4/9 22:10	93.9	↓-1.2
4/9 22:20	92.7	↓-1.2
4/9 22:30	91.4	↓-1.3
4/9 22:40	90.0	↓-1.4
4/9 22:50	88.6	↓-1.4
4/9 23:00	87.2	↓-1.4
4/9 23:10	85.9	↓-1.3
4/9 23:20	84.6	↓-1.3
4/9 23:30	83.4	↓-1.2
4/9 23:40	82.3	↓-1.1
4/9 23:50	81.3	↓-1.0