13 (日)	05:09	10:59	16:55	23:18
	134cm	48cm	141cm	29cm
中潮 出 06:35 入 17:03 出 20:36 入 07:33

苫小牧（北海道）2028年02月13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
2/13 00:00	24.0	↑2.3
2/13 00:10	26.5	↑2.5
2/13 00:20	29.4	↑2.9
2/13 00:30	32.5	↑3.1
2/13 00:40	36.0	↑3.5
2/13 00:50	39.7	↑3.7
2/13 01:00	43.7	↑4.0
2/13 01:10	48.0	↑4.3
2/13 01:20	52.6	↑4.6
2/13 01:30	57.3	↑4.7
2/13 01:40	62.3	↑5.0
2/13 01:50	67.4	↑5.1
2/13 02:00	72.6	↑5.2
2/13 02:10	77.9	↑5.3	最大潮位差
2/13 02:20	83.2	↑5.3	最大潮位差
2/13 02:30	88.4	↑5.2
2/13 02:40	93.6	↑5.2
2/13 02:50	98.5	↑4.9
2/13 03:00	103.3	↑4.8
2/13 03:10	107.8	↑4.5
2/13 03:20	112.0	↑4.2
2/13 03:30	115.9	↑3.9
2/13 03:40	119.4	↑3.5
2/13 03:50	122.5	↑3.1
2/13 04:00	125.2	↑2.7
2/13 04:10	127.5	↑2.3
2/13 04:20	129.4	↑1.9
2/13 04:30	130.9	↑1.5
2/13 04:40	132.0	↑1.1
2/13 04:50	132.8	↑0.8
2/13 05:00	133.2	↑0.4	満潮
2/13 05:10	133.3	↑0.1
2/13 05:20	133.1	↓-0.2
2/13 05:30	132.5	↓-0.6
2/13 05:40	131.7	↓-0.8
2/13 05:50	130.7	↓-1.0
2/13 06:00	129.4	↓-1.3
2/13 06:10	127.8	↓-1.6
2/13 06:20	126.0	↓-1.8
2/13 06:30	123.9	↓-2.1
2/13 06:40	121.6	↓-2.3
2/13 06:50	119.1	↓-2.5
2/13 07:00	116.3	↓-2.8
2/13 07:10	113.3	↓-3.0
2/13 07:20	110.0	↓-3.3
2/13 07:30	106.6	↓-3.4
2/13 07:40	103.0	↓-3.6
2/13 07:50	99.2	↓-3.8
2/13 08:00	95.2	↓-4.0
2/13 08:10	91.2	↓-4.0
2/13 08:20	87.1	↓-4.1
2/13 08:30	83.0	↓-4.1
2/13 08:40	79.0	↓-4.0
2/13 08:50	75.0	↓-4.0
2/13 09:00	71.2	↓-3.8
2/13 09:10	67.5	↓-3.7
2/13 09:20	64.1	↓-3.4
2/13 09:30	60.9	↓-3.2
2/13 09:40	58.1	↓-2.8
2/13 09:50	55.5	↓-2.6
2/13 10:00	53.4	↓-2.1
2/13 10:10	51.5	↓-1.9
2/13 10:20	50.0	↓-1.5
2/13 10:30	48.9	↓-1.1
2/13 10:40	48.2	↓-0.7
2/13 10:50	47.8	↓-0.4	干潮
2/13 11:00	47.7	↓-0.1
2/13 11:10	47.9	↑0.2
2/13 11:20	48.4	↑0.5
2/13 11:30	49.3	↑0.9
2/13 11:40	50.3	↑1.0
2/13 11:50	51.7	↑1.4
2/13 12:00	53.2	↑1.5
2/13 12:10	55.1	↑1.9
2/13 12:20	57.1	↑2.0
2/13 12:30	59.4	↑2.3
2/13 12:40	61.9	↑2.5
2/13 12:50	64.7	↑2.8
2/13 13:00	67.7	↑3.0
2/13 13:10	70.9	↑3.2
2/13 13:20	74.3	↑3.4
2/13 13:30	78.0	↑3.7
2/13 13:40	81.8	↑3.8
2/13 13:50	85.8	↑4.0
2/13 14:00	89.9	↑4.1
2/13 14:10	94.2	↑4.3
2/13 14:20	98.5	↑4.3
2/13 14:30	102.9	↑4.4
2/13 14:40	107.2	↑4.3
2/13 14:50	111.4	↑4.2
2/13 15:00	115.5	↑4.1
2/13 15:10	119.4	↑3.9
2/13 15:20	123.1	↑3.7
2/13 15:30	126.5	↑3.4
2/13 15:40	129.6	↑3.1
2/13 15:50	132.4	↑2.8
2/13 16:00	134.7	↑2.3
2/13 16:10	136.7	↑2.0
2/13 16:20	138.3	↑1.6
2/13 16:30	139.4	↑1.1
2/13 16:40	140.1	↑0.7
2/13 16:50	140.5	↑0.4	満潮
2/13 17:00	140.4	↓-0.1
2/13 17:10	140.0	↓-0.4
2/13 17:20	139.3	↓-0.7
2/13 17:30	138.2	↓-1.1
2/13 17:40	136.8	↓-1.4
2/13 17:50	135.1	↓-1.7
2/13 18:00	133.2	↓-1.9
2/13 18:10	131.0	↓-2.2
2/13 18:20	128.6	↓-2.4
2/13 18:30	125.9	↓-2.7
2/13 18:40	123.1	↓-2.8
2/13 18:50	120.0	↓-3.1
2/13 19:00	116.7	↓-3.3
2/13 19:10	113.1	↓-3.6
2/13 19:20	109.4	↓-3.7
2/13 19:30	105.4	↓-4.0
2/13 19:40	101.3	↓-4.1
2/13 19:50	97.0	↓-4.3
2/13 20:00	92.5	↓-4.5
2/13 20:10	87.9	↓-4.6
2/13 20:20	83.2	↓-4.7
2/13 20:30	78.4	↓-4.8
2/13 20:40	73.6	↓-4.8
2/13 20:50	68.9	↓-4.7
2/13 21:00	64.2	↓-4.7
2/13 21:10	59.6	↓-4.6
2/13 21:20	55.2	↓-4.4
2/13 21:30	51.1	↓-4.1
2/13 21:40	47.2	↓-3.9
2/13 21:50	43.6	↓-3.6
2/13 22:00	40.4	↓-3.2
2/13 22:10	37.5	↓-2.9
2/13 22:20	35.0	↓-2.5
2/13 22:30	32.9	↓-2.1
2/13 22:40	31.3	↓-1.6
2/13 22:50	30.0	↓-1.3
2/13 23:00	29.2	↓-0.8
2/13 23:10	28.7	↓-0.5	干潮
2/13 23:20	28.6	↓-0.1
2/13 23:30	28.9	↑0.3
2/13 23:40	29.5	↑0.6
2/13 23:50	30.5	↑1.0