20 (火)	06:21	00:10	19:28	13:18
	134cm	65cm	100cm	41cm
小潮 出 06:24 入 17:13 出 08:56 入 -

苫小牧（北海道）2029年02月20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
2/20 00:00	64.3	↓-0.4	干潮
2/20 00:10	64.2	↓-0.1	干潮
2/20 00:20	64.3	↑0.1
2/20 00:30	64.7	↑0.4
2/20 00:40	65.4	↑0.7
2/20 00:50	66.4	↑1.0
2/20 01:00	67.5	↑1.1
2/20 01:10	68.9	↑1.4
2/20 01:20	70.5	↑1.6
2/20 01:30	72.3	↑1.8
2/20 01:40	74.2	↑1.9
2/20 01:50	76.2	↑2.0
2/20 02:00	78.4	↑2.2
2/20 02:10	80.6	↑2.2
2/20 02:20	82.9	↑2.3
2/20 02:30	85.3	↑2.4
2/20 02:40	87.8	↑2.5
2/20 02:50	90.3	↑2.5
2/20 03:00	92.8	↑2.5
2/20 03:10	95.4	↑2.6
2/20 03:20	98.0	↑2.6
2/20 03:30	100.7	↑2.7
2/20 03:40	103.3	↑2.6
2/20 03:50	106.0	↑2.7
2/20 04:00	108.7	↑2.7
2/20 04:10	111.4	↑2.7
2/20 04:20	114.0	↑2.6
2/20 04:30	116.6	↑2.6
2/20 04:40	119.1	↑2.5
2/20 04:50	121.5	↑2.4
2/20 05:00	123.8	↑2.3
2/20 05:10	125.9	↑2.1
2/20 05:20	127.8	↑1.9
2/20 05:30	129.5	↑1.7
2/20 05:40	130.9	↑1.4
2/20 05:50	132.0	↑1.1
2/20 06:00	132.8	↑0.8
2/20 06:10	133.3	↑0.5
2/20 06:20	133.4	↑0.1	満潮
2/20 06:30	133.3	↓-0.1
2/20 06:40	132.8	↓-0.5
2/20 06:50	131.9	↓-0.9
2/20 07:00	130.8	↓-1.1
2/20 07:10	129.4	↓-1.4
2/20 07:20	127.8	↓-1.6
2/20 07:30	125.9	↓-1.9
2/20 07:40	123.7	↓-2.2
2/20 07:50	121.4	↓-2.3
2/20 08:00	119.0	↓-2.4
2/20 08:10	116.4	↓-2.6
2/20 08:20	113.7	↓-2.7
2/20 08:30	110.9	↓-2.8
2/20 08:40	108.0	↓-2.9
2/20 08:50	105.0	↓-3.0
2/20 09:00	102.0	↓-3.0
2/20 09:10	99.0	↓-3.0
2/20 09:20	95.9	↓-3.1
2/20 09:30	92.7	↓-3.2
2/20 09:40	89.5	↓-3.2
2/20 09:50	86.3	↓-3.2
2/20 10:00	83.1	↓-3.2
2/20 10:10	79.8	↓-3.3	最大潮位差
2/20 10:20	76.6	↓-3.2
2/20 10:30	73.3	↓-3.3	最大潮位差
2/20 10:40	70.1	↓-3.2
2/20 10:50	66.9	↓-3.2
2/20 11:00	63.8	↓-3.1
2/20 11:10	60.8	↓-3.0
2/20 11:20	57.9	↓-2.9
2/20 11:30	55.1	↓-2.8
2/20 11:40	52.6	↓-2.5
2/20 11:50	50.2	↓-2.4
2/20 12:00	48.0	↓-2.2
2/20 12:10	46.1	↓-1.9
2/20 12:20	44.5	↓-1.6
2/20 12:30	43.1	↓-1.4
2/20 12:40	42.0	↓-1.1
2/20 12:50	41.1	↓-0.9
2/20 13:00	40.5	↓-0.6
2/20 13:10	40.2	↓-0.3	干潮
2/20 13:20	40.2	0
2/20 13:30	40.4	↑0.2
2/20 13:40	40.8	↑0.4
2/20 13:50	41.4	↑0.6
2/20 14:00	42.2	↑0.8
2/20 14:10	43.1	↑0.9
2/20 14:20	44.3	↑1.2
2/20 14:30	45.5	↑1.2
2/20 14:40	46.9	↑1.4
2/20 14:50	48.5	↑1.6
2/20 15:00	50.1	↑1.6
2/20 15:10	51.8	↑1.7
2/20 15:20	53.7	↑1.9
2/20 15:30	55.7	↑2.0
2/20 15:40	57.8	↑2.1
2/20 15:50	59.9	↑2.1
2/20 16:00	62.2	↑2.3
2/20 16:10	64.6	↑2.4
2/20 16:20	67.0	↑2.4
2/20 16:30	69.5	↑2.5
2/20 16:40	72.1	↑2.6
2/20 16:50	74.7	↑2.6
2/20 17:00	77.2	↑2.5
2/20 17:10	79.8	↑2.6
2/20 17:20	82.3	↑2.5
2/20 17:30	84.8	↑2.5
2/20 17:40	87.1	↑2.3
2/20 17:50	89.3	↑2.2
2/20 18:00	91.3	↑2.0
2/20 18:10	93.2	↑1.9
2/20 18:20	94.8	↑1.6
2/20 18:30	96.2	↑1.4
2/20 18:40	97.4	↑1.2
2/20 18:50	98.3	↑0.9
2/20 19:00	99.0	↑0.7
2/20 19:10	99.5	↑0.5
2/20 19:20	99.8	↑0.3	満潮
2/20 19:30	99.8	0
2/20 19:40	99.7	↓-0.1
2/20 19:50	99.3	↓-0.4
2/20 20:00	98.9	↓-0.4
2/20 20:10	98.3	↓-0.6
2/20 20:20	97.5	↓-0.8
2/20 20:30	96.8	↓-0.7
2/20 20:40	95.9	↓-0.9
2/20 20:50	95.0	↓-0.9
2/20 21:00	94.0	↓-1.0
2/20 21:10	93.0	↓-1.0
2/20 21:20	91.9	↓-1.1
2/20 21:30	90.9	↓-1.0
2/20 21:40	89.8	↓-1.1
2/20 21:50	88.7	↓-1.1
2/20 22:00	87.6	↓-1.1
2/20 22:10	86.5	↓-1.1
2/20 22:20	85.3	↓-1.2
2/20 22:30	84.2	↓-1.1
2/20 22:40	83.0	↓-1.2
2/20 22:50	81.9	↓-1.1
2/20 23:00	80.8	↓-1.1
2/20 23:10	79.7	↓-1.1
2/20 23:20	78.7	↓-1.0
2/20 23:30	77.7	↓-1.0
2/20 23:40	76.9	↓-0.8
2/20 23:50	76.2	↓-0.7