14 (土)	05:45	12:15	18:17	-
	139cm	38cm	119cm	-
中潮 出 06:33 入 17:05 出 22:40 入 08:20

苫小牧（北海道）2009年02月14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
2/14 00:00	43.3	↑0.5
2/14 00:10	44.1	↑0.8
2/14 00:20	45.2	↑1.1
2/14 00:30	46.6	↑1.4
2/14 00:40	48.2	↑1.6
2/14 00:50	50.0	↑1.8
2/14 01:00	52.1	↑2.1
2/14 01:10	54.4	↑2.3
2/14 01:20	56.9	↑2.5
2/14 01:30	59.7	↑2.8
2/14 01:40	62.6	↑2.9
2/14 01:50	65.8	↑3.2
2/14 02:00	69.2	↑3.4
2/14 02:10	72.8	↑3.6
2/14 02:20	76.5	↑3.7
2/14 02:30	80.5	↑4.0
2/14 02:40	84.6	↑4.1
2/14 02:50	88.8	↑4.2
2/14 03:00	93.1	↑4.3
2/14 03:10	97.4	↑4.3
2/14 03:20	101.8	↑4.4	最大潮位差
2/14 03:30	106.1	↑4.3
2/14 03:40	110.3	↑4.2
2/14 03:50	114.4	↑4.1
2/14 04:00	118.2	↑3.8
2/14 04:10	121.9	↑3.7
2/14 04:20	125.2	↑3.3
2/14 04:30	128.3	↑3.1
2/14 04:40	130.9	↑2.6
2/14 04:50	133.2	↑2.3
2/14 05:00	135.2	↑2.0
2/14 05:10	136.7	↑1.5
2/14 05:20	137.8	↑1.1
2/14 05:30	138.5	↑0.7
2/14 05:40	138.8	↑0.3	満潮
2/14 05:50	138.8	0
2/14 06:00	138.4	↓-0.4
2/14 06:10	137.7	↓-0.7
2/14 06:20	136.7	↓-1.0
2/14 06:30	135.4	↓-1.3
2/14 06:40	133.9	↓-1.5
2/14 06:50	132.1	↓-1.8
2/14 07:00	130.1	↓-2.0
2/14 07:10	127.8	↓-2.3
2/14 07:20	125.4	↓-2.4
2/14 07:30	122.8	↓-2.6
2/14 07:40	120.0	↓-2.8
2/14 07:50	117.0	↓-3.0
2/14 08:00	113.8	↓-3.2
2/14 08:10	110.4	↓-3.4
2/14 08:20	106.8	↓-3.6
2/14 08:30	103.1	↓-3.7
2/14 08:40	99.3	↓-3.8
2/14 08:50	95.3	↓-4.0
2/14 09:00	91.2	↓-4.1
2/14 09:10	87.0	↓-4.2
2/14 09:20	82.7	↓-4.3
2/14 09:30	78.5	↓-4.2
2/14 09:40	74.3	↓-4.2
2/14 09:50	70.1	↓-4.2
2/14 10:00	66.1	↓-4.0
2/14 10:10	62.2	↓-3.9
2/14 10:20	58.5	↓-3.7
2/14 10:30	55.0	↓-3.5
2/14 10:40	51.8	↓-3.2
2/14 10:50	48.9	↓-2.9
2/14 11:00	46.3	↓-2.6
2/14 11:10	44.1	↓-2.2
2/14 11:20	42.2	↓-1.9
2/14 11:30	40.6	↓-1.6
2/14 11:40	39.4	↓-1.2
2/14 11:50	38.5	↓-0.9
2/14 12:00	37.9	↓-0.6
2/14 12:10	37.7	↓-0.2	干潮
2/14 12:20	37.7	0
2/14 12:30	38.0	↑0.3
2/14 12:40	38.6	↑0.6
2/14 12:50	39.4	↑0.8
2/14 13:00	40.4	↑1.0
2/14 13:10	41.6	↑1.2
2/14 13:20	43.1	↑1.5
2/14 13:30	44.8	↑1.7
2/14 13:40	46.6	↑1.8
2/14 13:50	48.7	↑2.1
2/14 14:00	51.0	↑2.3
2/14 14:10	53.5	↑2.5
2/14 14:20	56.2	↑2.7
2/14 14:30	59.0	↑2.8
2/14 14:40	62.1	↑3.1
2/14 14:50	65.4	↑3.3
2/14 15:00	68.8	↑3.4
2/14 15:10	72.3	↑3.5
2/14 15:20	75.9	↑3.6
2/14 15:30	79.7	↑3.8
2/14 15:40	83.4	↑3.7
2/14 15:50	87.1	↑3.7
2/14 16:00	90.8	↑3.7
2/14 16:10	94.4	↑3.6
2/14 16:20	97.8	↑3.4
2/14 16:30	101.1	↑3.3
2/14 16:40	104.2	↑3.1
2/14 16:50	106.9	↑2.7
2/14 17:00	109.4	↑2.5
2/14 17:10	111.6	↑2.2
2/14 17:20	113.5	↑1.9
2/14 17:30	115.1	↑1.6
2/14 17:40	116.3	↑1.2
2/14 17:50	117.2	↑0.9
2/14 18:00	117.8	↑0.6
2/14 18:10	118.1	↑0.3	満潮
2/14 18:20	118.2	↑0.1
2/14 18:30	118.0	↓-0.2
2/14 18:40	117.5	↓-0.5
2/14 18:50	116.9	↓-0.6
2/14 19:00	116.0	↓-0.9
2/14 19:10	115.0	↓-1.0
2/14 19:20	113.8	↓-1.2
2/14 19:30	112.4	↓-1.4
2/14 19:40	110.9	↓-1.5
2/14 19:50	109.3	↓-1.6
2/14 20:00	107.5	↓-1.8
2/14 20:10	105.6	↓-1.9
2/14 20:20	103.5	↓-2.1
2/14 20:30	101.3	↓-2.2
2/14 20:40	98.9	↓-2.4
2/14 20:50	96.4	↓-2.5
2/14 21:00	93.8	↓-2.6
2/14 21:10	91.1	↓-2.7
2/14 21:20	88.3	↓-2.8
2/14 21:30	85.4	↓-2.9
2/14 21:40	82.4	↓-3.0
2/14 21:50	79.5	↓-2.9
2/14 22:00	76.5	↓-3.0
2/14 22:10	73.7	↓-2.8
2/14 22:20	70.9	↓-2.8
2/14 22:30	68.3	↓-2.6
2/14 22:40	65.8	↓-2.5
2/14 22:50	63.6	↓-2.2
2/14 23:00	61.6	↓-2.0
2/14 23:10	59.9	↓-1.7
2/14 23:20	58.4	↓-1.5
2/14 23:30	57.3	↓-1.1
2/14 23:40	56.4	↓-0.9
2/14 23:50	55.9	↓-0.5