4 (火)	02:26	05:06	10:40	18:54
	101cm	99cm	112cm	40cm
若潮 出 06:06 入 17:27 出 12:42 入 02:50

苫小牧（北海道）2031年03月4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
3/4 00:00	93.3	↑1.0
3/4 00:10	94.3	↑1.0
3/4 00:20	95.2	↑0.9
3/4 00:30	96.1	↑0.9
3/4 00:40	96.8	↑0.7
3/4 00:50	97.5	↑0.7
3/4 01:00	98.1	↑0.6
3/4 01:10	98.6	↑0.5
3/4 01:20	99.1	↑0.5
3/4 01:30	99.4	↑0.3
3/4 01:40	99.7	↑0.3
3/4 01:50	100.0	↑0.3
3/4 02:00	100.1	↑0.1
3/4 02:10	100.2	↑0.1
3/4 02:20	100.3	↑0.1	満潮
3/4 02:30	100.3	0
3/4 02:40	100.2	↓-0.1
3/4 02:50	100.2	0
3/4 03:00	100.0	↓-0.2
3/4 03:10	99.9	↓-0.1
3/4 03:20	99.7	↓-0.2
3/4 03:30	99.6	↓-0.1
3/4 03:40	99.4	↓-0.2
3/4 03:50	99.2	↓-0.2
3/4 04:00	99.0	↓-0.2
3/4 04:10	98.9	↓-0.1
3/4 04:20	98.7	↓-0.2
3/4 04:30	98.6	↓-0.1
3/4 04:40	98.5	↓-0.1
3/4 04:50	98.4	↓-0.1
3/4 05:00	98.4	0	干潮
3/4 05:10	98.4	0
3/4 05:20	98.4	0
3/4 05:30	98.5	↑0.1
3/4 05:40	98.6	↑0.1
3/4 05:50	98.8	↑0.2
3/4 06:00	99.0	↑0.2
3/4 06:10	99.3	↑0.3
3/4 06:20	99.6	↑0.3
3/4 06:30	100.0	↑0.4
3/4 06:40	100.4	↑0.4
3/4 06:50	100.8	↑0.4
3/4 07:00	101.3	↑0.5
3/4 07:10	101.8	↑0.5
3/4 07:20	102.3	↑0.5
3/4 07:30	102.9	↑0.6
3/4 07:40	103.5	↑0.6
3/4 07:50	104.1	↑0.6
3/4 08:00	104.7	↑0.6
3/4 08:10	105.4	↑0.7
3/4 08:20	106.0	↑0.6
3/4 08:30	106.6	↑0.6
3/4 08:40	107.2	↑0.6
3/4 08:50	107.8	↑0.6
3/4 09:00	108.4	↑0.6
3/4 09:10	108.9	↑0.5
3/4 09:20	109.5	↑0.6
3/4 09:30	109.9	↑0.4
3/4 09:40	110.4	↑0.5
3/4 09:50	110.7	↑0.3
3/4 10:00	111.0	↑0.3
3/4 10:10	111.3	↑0.3
3/4 10:20	111.5	↑0.2
3/4 10:30	111.6	↑0.1	満潮
3/4 10:40	111.6	0	満潮
3/4 10:50	111.6	0
3/4 11:00	111.4	↓-0.2
3/4 11:10	111.2	↓-0.2
3/4 11:20	110.9	↓-0.3
3/4 11:30	110.4	↓-0.5
3/4 11:40	109.9	↓-0.5
3/4 11:50	109.3	↓-0.6
3/4 12:00	108.6	↓-0.7
3/4 12:10	107.8	↓-0.8
3/4 12:20	106.9	↓-0.9
3/4 12:30	105.9	↓-1.0
3/4 12:40	104.7	↓-1.2
3/4 12:50	103.5	↓-1.2
3/4 13:00	102.2	↓-1.3
3/4 13:10	100.8	↓-1.4
3/4 13:20	99.2	↓-1.6
3/4 13:30	97.6	↓-1.6
3/4 13:40	95.9	↓-1.7
3/4 13:50	94.0	↓-1.9
3/4 14:00	92.1	↓-1.9
3/4 14:10	90.1	↓-2.0
3/4 14:20	88.0	↓-2.1
3/4 14:30	85.8	↓-2.2
3/4 14:40	83.5	↓-2.3
3/4 14:50	81.2	↓-2.3
3/4 15:00	78.8	↓-2.4
3/4 15:10	76.4	↓-2.4
3/4 15:20	73.9	↓-2.5	最大潮位差
3/4 15:30	71.4	↓-2.5	最大潮位差
3/4 15:40	68.9	↓-2.5	最大潮位差
3/4 15:50	66.4	↓-2.5	最大潮位差
3/4 16:00	63.9	↓-2.5	最大潮位差
3/4 16:10	61.5	↓-2.4
3/4 16:20	59.1	↓-2.4
3/4 16:30	56.8	↓-2.3
3/4 16:40	54.6	↓-2.2
3/4 16:50	52.5	↓-2.1
3/4 17:00	50.5	↓-2.0
3/4 17:10	48.7	↓-1.8
3/4 17:20	47.0	↓-1.7
3/4 17:30	45.4	↓-1.6
3/4 17:40	44.0	↓-1.4
3/4 17:50	42.8	↓-1.2
3/4 18:00	41.7	↓-1.1
3/4 18:10	40.8	↓-0.9
3/4 18:20	40.1	↓-0.7
3/4 18:30	39.6	↓-0.5
3/4 18:40	39.3	↓-0.3
3/4 18:50	39.1	↓-0.2	干潮
3/4 19:00	39.1	0
3/4 19:10	39.4	↑0.3
3/4 19:20	39.7	↑0.3
3/4 19:30	40.3	↑0.6
3/4 19:40	41.0	↑0.7
3/4 19:50	41.9	↑0.9
3/4 20:00	43.0	↑1.1
3/4 20:10	44.2	↑1.2
3/4 20:20	45.6	↑1.4
3/4 20:30	47.2	↑1.6
3/4 20:40	48.8	↑1.6
3/4 20:50	50.6	↑1.8
3/4 21:00	52.5	↑1.9
3/4 21:10	54.6	↑2.1
3/4 21:20	56.7	↑2.1
3/4 21:30	58.9	↑2.2
3/4 21:40	61.2	↑2.3
3/4 21:50	63.5	↑2.3
3/4 22:00	65.9	↑2.4
3/4 22:10	68.3	↑2.4
3/4 22:20	70.7	↑2.4
3/4 22:30	73.1	↑2.4
3/4 22:40	75.5	↑2.4
3/4 22:50	77.9	↑2.4
3/4 23:00	80.2	↑2.3
3/4 23:10	82.4	↑2.2
3/4 23:20	84.6	↑2.2
3/4 23:30	86.7	↑2.1
3/4 23:40	88.7	↑2.0
3/4 23:50	90.6	↑1.9